ECISS/TC 10 - Structural steels - Qualities

1.1   This European Standard specifies the general requirements for the surface condition of hot-rolled steel plates, wide flats and sections. It covers the requirements on the type, the permissible depth and the permissible size of the surface area affected by:
¾ discontinuities (imperfections ant defects) and
¾ repairs by grinding and/or welding.
1.2   This European Standard shall be applied so far as no other requirements for the surface condition exist in the appropriate material or product standard. The requirements laid down in the appropriate material or product standard shall always prevail.
1.3   This Part 1 of this European Standard covers the general delivery requirements for the surface condition of hot-rolled steel products such as:
¾ plates and wide flats, see Part 2;
¾ sections, see Part 3;

This Part 3 in addition to Part 1 of this European Standard specifies the delivery requirements for surface condition of sections to which the European Standards mentioned in clause 2 apply and applies to all surfaces excluding edges.
NOTE   In this European Standard section toes (see EN 10055) are considered as part of the surfaces of a section.

This Part 2 in addition to Part 1 of this European Standard specifies the delivery requirements which apply to the surface condition of hot-rolled plates and surface condition of the faces of wide flats with thicknesses of 3 mm = t = 400 mm.
NOTE   For plates with a thickness > 400 mm special agreements should be made at the time of the order.

1.1 This document specifies requirements for flat and long products (see Clause 3) of hot rolled structural
steels excluding structural hollow sections and tubes. Part 1 of this document specifies the general delivery
conditions.
The specific requirements for structural steels are given in the following Parts:
Part 2: Technical delivery conditions for non-alloy structural steels
Part 3: Technical delivery conditions for normalized/normalized rolled weldable fine grain structural steels
Part 4: Technical delivery conditions for thermomechanical rolled weldable fine grain structural steels
Part 5: Technical delivery conditions for structural steels with improved atmospheric corrosion resistance
Part 6: Technical delivery conditions for flat products of high yield strength structural steels in the quenched
and tempered condition
The steels specified in this document are intended for use in welded, bolted and riveted structures.
1.2 This document does not apply to coated products or to steel products for general structural
applications in accordance with the standards and draft standards listed in the Bibliography.

This part of this European Standard specifies the requirements for cold formed non alloy steel sheet piling produced from hot rolled strip or sheet with a thickness equal to or greater than 2mm in respect of its chemical composition, mechanical and technological properties and delivery conditions. The products specified are for general, structural and civil engineering works. Requirements concerning the tolerances on shape and dimensions are specified in Part 2 of this European Standard.

This part of this European Standard specifies the requirements for cold formed non alloy steel sheet piling produced from hot rolled strip or sheet with a thickness equal to oe greater than 2 mm in respect of its chemical composition, mechanical and technological properties and delivery conditions.The products specified are for general, structural and civil engineering works.Requirements in respect of tolerances on shape and dimensions are specified in Part 2 of this European Standard.

This part of this European Standard specifies the tolerances on dimensions, squareness of ends, straightness and mass of cold-formed non alloy steel sheet piling which are defined in EN 10249-1.

This part of this European Standard specifies the tolerances on dimensions, squareness of ends, straightness and mass of hot rolled non alloy steel sheet piling which are defined in EN 10248-1.

This part of this European Standard specifies the requirements for hot rolled non alloy steel sheet piling in respect of its chemical composition, mechanical properties and conditions of delivery.The products specified are for general, structural and civil engineering works.Requirements in respect of tolerances on shape and dimensions are specified in Part 2 of this European Standard.

This part of this European Standard specifies the tolerances on dimensions, squareness of ends, straightness and mass of cold formed non alloy steel sheet piles which are defined in EN 10249-1.

This part of this European standard specifies the tolerances on dimensions, squareness of ends, straightness and mass of hot rolled non alloy steel sheet piles which are defined in EN 10248-1.

This part of this European standard specifies the requirements for hot rolled non alloy steel sheet piling in respect of its chemical composition, mechanical properties and conditions of delivery. The products specified are for general, structural and civil engineering works. Requirements in respect of tolerances onshape and dimensions are specified in Part 2 of this European Standard.

Part 2 of this document, in addition to Part 1, specifies the technical delivery conditions for flat and long products and semi-finished products which are meant for further processing to flat and long products of hot rolled non-alloy quality steels in the grades and qualities given in Tables 2 to 6 (chemical composition) and Tables 7 to 9 (mechanical properties) in the delivery conditions as given in 6.3. Three engineering steels are also specified in this document (see Tables 3 and 5) (chemical composition) and Table 8 (mechanical properties). This document does not apply to structural hollow sections and tubes (see EN 10210-1 and EN 10219-1).
The technical delivery conditions apply to thicknesses ³ 3 mm and £ 150 mm for long products of steel grade S450J0. The technical delivery conditions apply to thicknesses £ 250 mm for flat and long products of all other grades and qualities. In addition for flat products of qualities J2 and K2 the technical conditions apply to thicknesses £ 400 mm.
Products made of steel grades S185, E295, E335 and E360 cannot be CE marked.
The steels specified in this Part 2 are not intended to be heat treated except products delivered in delivery condition +N. Stress relief annealing is permitted (see also the NOTE in 7.3.1.1 of EN 10025-1:2004). Products delivered in +N condition can be hot formed and/or normalized after delivery (see Clause 3).
NOTE 1   Semi-finished products which are to be converted to rolled finished products conforming to this document should be the subject of special agreement at the time of the enquiry and order. The chemical composition can also be agreed at the time of the order, however the values should be within the limits of Tables 2 and 3.
NOTE 2   For certain grades and product forms suitability for particular applications may be specified at the time of the enquiry and order (see 7.4.2, 7.4.3 and Table 10).

Part 5 of this European Standard, in addition to Part 1, specifies requirements for flat and long products of hot rolled steels with improved atmospheric corrosion resistance in the grades and qualities given in Tables 2 and 3 (chemical composition) and Tables 4 and 5 (mechanical properties) in the usual delivery conditions as given in 6.3.
The thicknesses in which products of the steel grades and qualities specified in this European Standard may be supplied are given in Table 1.
In addition to prEN 10025-1:2003 the steels specified in this European Standard are especially intended for use in welded, bolted and riveted components which shall have enhanced resistance to atmospheric corrosion, for service at ambient temperatures (subject to the restrictions described in 7.4.1).
The steels specified in this Part 5 are not intended to be heat treated except products delivered in the delivery condition +N. Stress relief annealing is permitted (see also the NOTE in 7.3.1.1 of prEN 10025-1:2003). Products delivered in +N condition can be hot formed and/or normalized after delivery (see clause 3).

Part 4 of this document, in addition to Part 1, specifies requirements for flat and long products of hot rolled weldable fine grain structural steels in the thermomechanical rolled condition in the grades and qualities given in Tables 2 to 4 (chemical composition) and Tables 5 to 7 (mechanical properties) in thickness £ 120 mm for flat products and in thickness £ 150 mm for long products.
In addition to EN 10025-1 the steels specified in this document are especially intended for use in heavily loaded parts of welded structures such as, bridges, flood gates, storage tanks, water supply tanks, etc., for service at ambient and low temperatures.

Part 3 of this document, in addition to part 1, specifies requirements for flat and long products of hot rolled weldable fine grain structural steels in the normalized/normalized rolled delivery condition in the grades and qualities given in Tables 2 to 4 (chemical composition) and Tables 5 to 7 (mechanical properties) in thickness £ 250 mm for grades S275, S355 and S420 and in thickness £ 200 mm for grade S460.
In addition to EN 10025-1:2004 the steels specified in this document are especially intended for use in heavily loaded parts of welded structures such as, bridges, flood gates, storages tanks, water supply tanks, etc., for service at ambient and low temperatures.

TC - Modification to Table B.3

This European Standard specifies through thickness properties and associated test methods for flat products and sections of steel.
This European Standard may be applied as a supplement to all product standards for flat products and sections of killed steels, except stainless steels. It covers products having a thickness between 15 mm and 400 mm inclusive of steels with a specified minimum upper yield strength ReH or proof strength Rp0,2 £ 960 MPa ) for which improved through thickness properties are required.
The application of this European Standard to other product thicknesses and other steel types shall be the subject of agreement at the time of the order.
See option 1.

Part 3 of this European Standard, in a4dition to part 1, specifies requirements for flat products made of weldable, hot-rolled, high yield strength steels for cold forming.  The grades are given in table 1 (chemical composition) and table 2 (mechanical properties) and are supplied in the normalized or normalized rolled delivery condition as given in 7.2.           The steels specified in this European Standard are applicable to hot-rolled flat products in the thickness range of ü 1,5 mm and ¿ 20 mm.

1.1  This European Standard specifies requirements for flat products made of weldable, hot-rolled, hith yield strength alloy quality and special steels for cold forming.  Part 1 of this European Standard specifies the general delivery conditions.  Part 2 of this European Standard specifies the delivery conditions for thermomechanically rolled steels in the grades given in table I (chemical composition) and table 2 (mechanical properties) of Part 2.  Part 3 of this European Standard specifies the delivery conditions for normalized or normalized rolled steels in the grades given in table 1 (chemical composition) and table 2 (mechanical properties) of Part 3.           The steels specified in Part 2 and 3 of this European Standard are applicable to hot-rolled flat products in the thickness range of 1,5 mm to 20 mm for the steels with Reh ¿ 460 N/mm2 and 1,5 mm to 16 mm for the steels with higher minimum yield strength.           1.2  This European Standard does not apply to products for pressure vessels and products for which other EURONORMS exist or European Standards dealing with steels for general structural applications are being prepared:              - Hot-rolled products of non-alloy structural steels - (see EN 10025). - Semi-finished products for forging in general purpose structural steel - (see EURONORM 30). - Weldable fine grain structural steels - (see EN 10113 Parts 1 - 3). - Plates and wide flats made of high yield strength structural steels in the quenched and tempered or precipitation hardened condition -(see EN 10137 Parts 1 - 3) - Structural steels with improved atmospheric corrosion resistance -(see EN 10155) - Steels for shipbuilding - normal and high strength qualities - (see EURONORM 156) - Hot finished structural hollow sections (see EN 10210-1).

Part 2 of this European Standard, in addition to part 1, specifies requirements for flat products made of weldable, hot-rolled, high yield strength steels for cold forming.  The grades are given in table 1 (chemical composition) and table 2 (mechanical properties) and are supplied in the thermomechanically rolled delivery condition as given in 7.2.           The steels specified in this European Standard are applicable to hot-rolled flat products in the thickness range of 1,5 mm to 20 mm for the steels which have a specified minimum yield strength of 315 N/mm2 up to and including 460 N/mm2 and 1,5 mm to 16 mm for the steels which have a specified minimum yield strength of 500 N/mm2 up to and including 700 N/mm2.

This European Standard specifies requirements for automatically blast cleaned and automatically primed structural steel products. Note: For products less than 5 mm thick, care should be exercised to ensure that the product is not deformed by blast cleaning.

This European Standard specifies requirements for weldable structural steels to be used in the fabrication of fixed offshore structures in the form of plates up to and including 150 mm thick. It also specifies sections up to 63 mm thick except for sections delivered in the as-rolled condition which are permitted up to 25 mm thick only. Seamless hollow sections up to and including 40 mm thick and high frequency electric resistance welded hollow sections up to and including 20 mm thick are specified. Greater thicknesses for sections and hollow sections may be agreed, provided the technical requirements of this European Standard are maintained.
For plates the thickness limitations are:
S355G2+N, S355G5+M, - up to and including 20 mm
S355G3+N, S355G6+M - up to and including 40 mm
S355G7+N, S355G8+N, S355G9+N, S355G10+N - up to and including 150 mm
S355G7+M, S355G8+M, S355G9+M, S355G10+M - up to and including 100 mm
S420G1+Q, S420G1+M, S420G2+Q, S420G2+M - up to and including 100 mm
S460G1+Q, S460G1+M, S460G2+Q, S460G2+M - up to and including 100 mm
The standard is applicable to steels for offshore structures, designed to operate in the offshore sector but not to steels supplied for the fabrication of subsea pipelines, risers, process equipment, process piping, and other utilities. It is primarily applicable to the North Sea Sector, but may also be applicable in other areas provided that due consideration is given to local conditions e.g. temperature.
In the case of hollow sections formed from plate with the seam fusion welded, this European standard covers only the requirements of the plate material.
Minimum yield strengths up to 460 MPa are specified together with low temperature impact properties at temperatures down to -40 °C.
This European standard applies to material supplied ex-mill or from merchant's stock.

Part 6 of this document, in addition to part 1, specifies requirements for flat products of high yield strength alloy special steels. The grades and qualities are given in Tables 2 to 4 (chemical composition) and Tables 5 to 7 (mechanical properties) and are supplied in the quenched and tempered condition as given in 6.3.
The steels specified in this document are applicable to hot-rolled flat products with a minimum nominal thickness of 3 mm and a maximum nominal thickness £ 150 mm for grades S460, S500, S550, S620 and S690, a maximum nominal thickness £ 100 mm for grade S890 and a maximum nominal thickness £ 50 mm for grade S960, in steels which, after quenching and tempering, have a specified minimum yield strength of 460 MPa ) to 960 MPa1).

This Part of this European Standard specifies the tolerances for cold formed welded circular, square and rectangular structural hollow sections and gives the dimensions and sectional properties for a range of standard sizes.  For the technical delivery requirements see EN 10219-1.

This Part of this European Standard specifies the tolerances for hot finished  circular, square and rectangular structural hollow sections and gives the dimensions and sectional properties for a range of standard sizes.  For the technical delivery requirements, see EN 10210-1.

This part of this European Standard specifies the technical delivery requirements for cold formed welded structural hollow sections of circular, square or rectangular form and applies to structural hollow sections formed cold without subsequent heat treatment.   The specified requirements apply to non-alloy quality steel, fine grain non-alloy quality steel and fine grain alloy special steels as defined in EN 10020.  The grades, chemical composition and mechanical properties for the non-alloy quality steels are given in annex A.  The grades, chemical composition and mechanical properties for the fine grain non-alloy quality and alloy special steels are given in annex B.  The products specified in this part of this European Standard are intended for use in construction.   NOTE1: A range of steel grades is specified in this European Standard and the user should select the grade appropriate to the intended use and service conditions. The grades and mechanical properties of the finished hollow sections are compatible with those in EN 10025 and EN 10113 and some of those in EN 10149.  Requirements for tolerances, dimensions and sectional properties are contained in Part 2 of this European Standard (EN 10219-2).  This European standard does not apply to products covered by the following European Standards:  EN 10025 Hot-rolled products of non-alloy structural steels: Technical delivery conditions  EN 10113 Hot-rolled products in weldable fine grain structural steels  EN 10149 Hot-rolled flat products made of high yield strength steels for cold forming  EN 10155 Structural steels with improved atmospheric corrosion resistance: Technical delivery conditions.  EN 10210 Hot finished structural hollow sections of non-alloy and fine grain structural steels  EN 10225 Weldable structural steels for fixed offshore structures

This European Standard covers hot finished structural hollow sections in thicknesses up to and including 65 mm of circular, square or rectangular form and applies to hollow sections formed hot with or without subsequent heat treatment or formed cold with subsequent heat treatment to obtain equivalent metallurgical conditions to those obtained in the hot formed product.

This European Standard specifies through thickness properties and associated test methods for steel plates, strip, wide flats and sections.  This European Standard may be applied as a supplement to all product standards for plate, strip, wide flats and sections of killed steels, except stainless steels. It covers products having a thickness between 15 mm and 250 mm inclusive of steels with a specified minimum upper yield strenght ReH or proof strenght RpO,2 ¿ 500 N/mm2 for which improved through thickness properties are required.  The application of this European Standard to other product thicknesses and other steel types shall be the subject of agreement at the time of the enquiry and order. Option 1.

This part 3 in addition to part 1 specifies the general delivery requirements for surface condition of sections to which the EURONORMS mentioned in clause 2 apply and applies to all surfaces excluding edges.

This part 2 in addition to part 1 specifies the delivery requirements which apply to the surface quality of host-rolled plates and wide flats with thicknesses of 3 mm ¿ e ¿ 250 mm.  NOTE: For plate with a thickness > 250 mm special agreements should be made at the time of enquiry and order.

1.1 This European Standard specifies the general requirements for the surface condition of the hot-rolled steel plates, wide flats and sections. It covers the requirements on the type, the permissible depth and the permissible size of the surface area affected by:  - discontinuities (impefections and defects) and - repairs by grinding and/or welding.  1.2 This European Standard shall be applied so far as no other requirements for the surface condition exist in the appropriate material or product standard. The requirements laid down in the appropriate material or product standard shall always prevail.  1.3 This  part 1 covers the general delivery requirements for the surface quality of host rolled steel products such as:  - Plates and wide flats, see part 2; - Sections, see part 3.

1.1         This European Standard spe~fies requirements for plates and wide flats of high yield strength alloy special steels.   Part 1 of this European Standard specifies the general delivery conditions.  Part 2 of this European Standard specifies the delivery conditions for quenched and tempered steels in the grades and qualities given in table 1(chemical composition) and tables 2 and 3 (mechanical properties) of Part 2.  Part 3 of this European Standard specifies the delivery conditions for precipitation hardened steels in the grades and qualities given in table 1 (chemical composition) and tables 2 and 3 (mechanical properties)of Part 3.           The steels specified in this European Standard are especially intended for use in heavily loaded parts of welded structures such as bridges, flood gates, storage tanks, water supply tanks, buildings, crane structures, etc. for service at ambient and low temperatures.           1.2         This European Standard does not apply to products for pressure vessels and products for which other EURONORMS exist or European Standards dealing with steels for general structural applications exist or are being prepared:  - Hot-rolled products of non-alloy structural steels - (see EN 10025). - Semi-finished products for forging in general purpose structural steels - (see EURONORM 30). - Weldable fine grain structural steels - (see EN 10113 Parts 1 - 3). - Structural steels with improved atmospheric corrosion resistance -(see EN 10155). - Flat products in high yield strength steels for cold forming - wide flats, sheet/plate, wide and narrow strip - (see EN 10149 Parts 1 - 3). - Steels for shipbuilding - normal and high strength qualities - (see EURONORM 156). - Hot finished structural hollow sections (see EN 10210-1).

Part 2 of this European Standard, in addition to Part 1, specifies requirements for plates and wide flats of high yield strength alloy special steels. The grades and qualities are given in tables 1 (chemical composition) and 2 and 3 (mechanical properties) and are supplied in the quenched and tempered condition as given in 7.2.           The steels specified in this European Standard are applicable to hot-rolled plates and wide flats with a minimum nominal thickness of 3 mm and a maximum nominal thickness ¿ 150 - for grades S460, S500, S550, S620 and S690, a maximum nominal thickness ¿ 100 mm for grade S690 and a maximum nominal thickness ¿ 50 mm for grade S960, in steels which, after quenching and tempering, have a specified minimum yield strength of 460 N/mm2 to 960 N/mm2.

1.1         This European Standard specifies requirements for long products and flat products of hot-rolled steels with improved atmospheric corrosion resistance (alloyed special steel according to EN 10020) in the grades and qualities given in tables 3 (chemical composition), 5 and 6 (mechianical properties) in the usual delivery condition as given in 7.2.           The thicknesses in which products of the steel grades and qualities specified in this European Standard may be supplied are given in table 2. The application of this standard to greater thicknesses shall be agreed at the time of the enquiry and order. Option 1.           The steels specified in this European Standard are intended for use in welded, bolted and riveted components which shall have enhanced resistance to atmospheric corrosion, for service at ambient temperatures (subject to the restrictions described in 7.5.1).           They are not intended to be heat treated except products delivered in the delivery condition N. Stress relief annealing is permitted. Products delivered in the N condition may be normalized and hot formed after delivery (see clause 3).           1.2         This European Standard does not apply to structural steels for use in the applications referred to in 1.1 for which specific EURONORMS exist or European Standards dealing with steels for general structural applications are being prepared: -  non-alloy structural steels - (see EN 10025); -  steels for simple pressure vessels - (see EN 10207); -  non-alloy steel sheet and strip for pressure purposes - (see EN 10028 part 1 - 3); -  reinforcing bars (not for prestressing) - (see prEN 10080)  1); -  weldable fine grain structural steel - (see EN 10113 part 1 - 3); -  hot finished structural hollow sections - (see EN 10210-1).  1. Draft is under discussion

Part 3 of this European Standard, in addition to part 1, specifies requirements for flat products with nominal thickness ¿ 63 mm and long products with nominal thickness ¿ 150 mm of hot-rolled weldable fine grain structural steel in the thermomechanical rolled condition in the grades and qualities given in table 1 (chemical composition) and tables 3, 4 and 5 (mechanical properties).

Part 2 of this European Standard, in addition to part 1, specifies requirements for flat and long products of hot-rolled weldable fine grain structural steel in the normalized delivery condition in the grades and qualities given in table 1 (chemical composition) and tables 3, 4 and 5 (mechanical properties), in thickness ¿ 150 mm for grades S275, S355 and S420 and in thickness ¿ 100 mm for grade S460.

1.1         This European Standard specifies requirement for long products and flat products of hot-rolled weldable fine grain structural quality and special steels. Part 1 of this European Standard specifies the general delivery conditions Part 2 of this European Standard specifies the delivery conditions for normalized steels in the grades and qualities given in table 1 (chemical composition) and tables 3 and 4 (mechanical properties) of part 2.           NOTE:   Whenever normalized is mentioned, normalized rolled is also covered (see 7.2 of part 2).           Part 3 of this European Standard specifies the delivery conditions for thermomechanical rolled steels in the grades and qualities given in table 1 (chemical composition) and tables 3 and 4 (mechanical properties) of part 3.           The steels specified in this European Standard are especially intended for use in heavily loaded parts of welded structures such as, bridges, flood gates, storages tanks, water supply tanks, etc., for service at ambient and low temperatures.           1.2         This European Standard does not apply to products for which other EURONORMS exist or European Standards dealing with steels for general structural applications are being prepared:  -  Hot-rolled products of non-alloy structural steels - (see EN 10025), -  Semi-finished products for forging in general purpose structural stee~s - (see EURONORM 30). -  Weathering steels for structural purposes - (see EN 10155). -  Plates and wide flats made of weldable fine-grained structural steels in the quenched and tempered condition - (see prEN 10137). -  Flat products in high yield strength steels for cold forming - wide flats, sheet/plate, wide and narrow strip - (see prEN 10149). -  Steels for shipbuilding - normal and high strength qualities - (see EURONORM 156). -  Hot finished structural hollow sections (see prEN 10210-1).

Part 3 of this European Standard, inaddition to Part 1, specifies requirements for plates and wide flats of high yield strength alloy special steels. The grades and qualities are given in table 1 (chemical composition) and tables 2 and 3 (mechanical properties) and are supplied in the precipitation hardened condition as given in 7.2.           The steels specified in this European Standard are applicable to hot-rolled plates and wide flats with a nominal thickness of ü 3 mm and ¿ 70 mm.