This document defines the requirements for the ordering, manufacture, testing, inspection and delivery of steel and heat resisting alloy bars and sections. It shall be applied when referred to and in conjunction with the EN material standard unless otherwise specified on the drawing, order or inspection schedule.

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This document specifies the requirements relating to:
Steel X12CrNiMoV12-3 (1.4938)
Air melted and consumable electrode remelted
Hardened and tempered
Bars
De ≤ 150 mm
900 MPa ≤ Rm ≤ 1 100 MPa
for aerospace applications.

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This document specifies the requirements relating to: Steel X5CrNoMoCuNb14-5 (1.4594) 930 MPa ≤ Rm ≤ 1 080 MPa Bars De ≤ 150 mm.

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This European Standard specifies the nominal dimensions and the tolerances on dimensions and shape of hot-rolled steel flat bars and steel wide flats for general purposes.
This standard is not applicable to spring leaves, see EN 10092-1.

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This document specifies the nominal dimensions and the tolerances on dimensions and shape of hot-rolled steel flat bars and steel wide flats for general purposes.
This document is not applicable to spring leaves, see EN 10092-1.

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This International Standard specifies technical delivery requirements for the surface quality of round bars, squares, hexagons and wire rod in the hot rolled condition with nominal diameters dN from 5 mm to 200 mm. By agreement between manufacturer and purchaser, this International Standard may also be applied to other special profiles. This International Standard applies particularly to steels for engineering and structural applications and, by agreement, may also be applied to tool steels.

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This document specifies technical delivery requirements for the surface quality of round bars, squares, hexagons and wire rod in the hot rolled condition with nominal dimensions dN from 5 mm to 200 mm. This document is applicable to bright products and tool steels, if agreed at the time of enquiry and order between manufacturer and purchaser.
By agreement between manufacturer and purchaser, this document can also be applied to other special profiles.
This document is particularly applicable to steels for engineering and structural applications.
This document does not include any requirements for the permissible depth of surface decarburization.
NOTE The determination of depth of surface decarburization is presented in ISO 3887.
The material standards for steel bars and wire rod can exclude the application of one or other of the surface quality classes of this document. They can also cover requirements for surface quality which deviate from this document. In these cases the requirements of the material standard prevail.

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This document specifies the technical delivery requirements for bright steel bars in the drawn, peeled/turned or ground condition and they are intended for mechanical purposes, for example for machine parts. The bright bars are subdivided into the following steel types:
a)   non-alloy general engineering steels;
b)   non-alloy free-cutting steels;
c)   non-alloy and alloy case-hardening steels;
d)   non-alloy and alloy steels for quenching and tempering.
This document lists the mechanical characteristics for products up to 100 mm in thickness. For larger dimensions, the manufacturer and purchaser agree on mechanical properties at the time of enquiry and order.
It does not cover cold rolled products and cut lengths produced from strip or sheet by cutting. Bright steel products of stainless steels are to be found in EN 10088 3.
In addition to this document, the general technical delivery requirements of EN 10021 are applicable.

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This document specifies technical delivery requirements for the surface quality of round bars, squares, hexagons and wire rod in the hot rolled condition with nominal dimensions dN from 5 mm to 200 mm. This document is applicable to bright products and tool steels, if agreed at the time of enquiry and order between manufacturer and purchaser. By agreement between manufacturer and purchaser, this document can also be applied to other special profiles. This document is particularly applicable to steels for engineering and structural applications. This document does not include any requirements for the permissible depth of surface decarburization. NOTE The determination of depth of surface decarburization is presented in ISO 3887. The material standards for steel bars and wire rod can exclude the application of one or other of the surface quality classes of this document. They can also cover requirements for surface quality which deviate from this document. In these cases the requirements of the material standard prevail.

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1.1   This Part of EN 10263 specifies the general technical delivery conditions for round rod, round bars and wire for cold heading and cold extrusion made of:
a)   non alloy steels not intended for heat treatment after cold working, as specified in prEN 10263-2:2013;
b)   non alloy and alloy steels for case hardening, as specified in prEN 10263-3:2013;
c)   non alloy and alloy steels for quenching and tempering, as specified in prEN 10263-4:2013;
d)   stainless steels, as specified in prEN 10263-5:2013.
1.2   Parts 2,3 and 4 of this EN 10263 cover products having a diameter up to and including 100 mm.
Part 5 covers products having a diameter up to and including:
-   25 mm for ferritic and austenitic-ferritic steels;
-   50 mm for austenitic steels;
-   100 mm for martensitic steels.
1.3   In special cases supplementary requirements or deviations with respect to this European Standard may be agreed between the purchaser and the supplier at the time of enquiry and order (See Annex A).
1.4   The general technical delivery conditions in EN 10021 also apply to products supplied in accordance with this European Standard

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1.1   This Part of EN 10263 is applicable to round rod and bars and wire with a diameter up to and including 100 mm, of non-alloy and alloy steel, intended for cold heading and cold extrusion without subsequent heat treatment on the final components.
1.2   prEN 10263-1:2013 is indispensable for this Part of EN 10263.

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1.1   This Part of EN 10263 is applicable to round rod, round bars and wire with a diameter up to and including 100 mm, of non-alloy and alloy steel, intended for cold heading and cold extrusion and subsequent case hardening treatment.
1.2   prEN 10263-1:2013 is indispensable for this Part of EN 10263.

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This European Standard specifies the dimensions, tolerances and physical constants of drawn hexagonal
steel bars used in aerospace construction.

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1.1   This Part of EN 10263 is applicable to round rod, round bars and wire made of stainless steels intended for cold heading and cold extrusion having a diameter up to and including:
   25 mm for ferritic and austenitic-ferritic steels;
   50 mm for austenitic steels;
   100 mm for martensitic steels
1.2   prEN 10263-1:2013 is indispensable for the application of this part of EN 10263.

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1.1   This Part of EN 10263 is applicable to round rod and round bars and wire with a diameter up to and including 100 mm, of non-alloy and alloy steel, intended for cold heading, cold extrusion, subsequent quenching and tempering and induction hardening or flame hardening.
1.2   prEN 10263-1:2013 is indispensable for this Part of EN 10263.

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1.1   This European Standard is applicable to round rod, round bars and wire made of stainless steels intended for cold heading and cold extrusion having a diameter up to and including:
-   25 mm for ferritic and austenitic-ferritic steels;
-   50 mm for austenitic steels;
-   100 mm for martensitic steels.
1.2   EN 10263 1 is indispensable for the application of this part of EN 10263.

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1.1   This Part of EN 10263 is applicable to round rod and round bars and wire with a diameter up to and including 100 mm, of non-alloy and alloy steel, intended for cold heading, cold extrusion, subsequent quenching and tempering and induction hardening or flame hardening.
1.2   prEN 10263-1:2013 is indispensable for this Part of EN 10263.

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1.1   This Part of EN 10263 is applicable to round rod, round bars and wire with a diameter up to and including 100 mm, of non-alloy and alloy steel, intended for cold heading and cold extrusion and subsequent case hardening treatment.
1.2   prEN 10263-1:2013 is indispensable for this Part of EN 10263.

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1.1   This Part of EN 10263 is applicable to round rod and bars and wire with a diameter up to and including 100 mm, of non-alloy and alloy steel, intended for cold heading and cold extrusion without subsequent heat treatment on the final components.
1.2   prEN 10263-1:2013 is indispensable for this Part of EN 10263.

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1.1   This Part of EN 10263 specifies the general technical delivery conditions for round rod, round bars and wire for cold heading and cold extrusion made of:
a)   non alloy steels not intended for heat treatment after cold working, as specified in prEN 10263-2:2013;
b)   non alloy and alloy steels for case hardening, as specified in prEN 10263-3:2013;
c)   non alloy and alloy steels for quenching and tempering, as specified in prEN 10263-4:2013;
d)   stainless steels, as specified in prEN 10263-5:2013.
1.2   Parts 2,3 and 4 of this EN 10263 cover products having a diameter up to and including 100 mm.
Part 5 covers products having a diameter up to and including:
-   25 mm for ferritic and austenitic-ferritic steels;
-   50 mm for austenitic steels;
-   100 mm for martensitic steels.
1.3   In special cases supplementary requirements or deviations with respect to this European Standard may be agreed between the purchaser and the supplier at the time of enquiry and order (See Annex A).
1.4   The general technical delivery conditions in EN 10021 also apply to products supplied in accordance with this European Standard

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This European Standard specifies the dimensions, tolerances and physical constants of rolled rectangular
steel bars, used in aerospace construction.

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This European Standard specifies the dimensions, tolerances and physical constants of drawn and/or descaled round steel bars used in aerospace construction.

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This European Standard specifies the dimensions, tolerances and physical constants of ground round steel bars used in aerospace construction.

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ISO 16120-4:2017 specifies requirements for wire rod for conversion to wire for special applications. It is applicable to non-alloy steel wire rod with improved characteristics intended for drawing and/or cold rolling.

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ISO 16120-1:2017 series is applicable to wire rod of non-alloy steel intended for wire drawing and/or cold rolling. The cross-section can be circular, oval, square, rectangular, hexagonal, octagonal, half-round or another shape, generally with at least 5 mm nominal dimension, and with a smooth surface.
ISO 16120-1:2017 specifies general requirements for non-alloy steel wire rod for conversion to wire. It is not applicable to products for which standards exist or are in development, for example:
- steel wire rod intended for heat treatment;
- free-cutting steel wire rod;
- steel wire rod for cold heading and cold extrusion;
- steel wire rod intended for the production of electrodes and products for welding;
- steel wire rod for welded fabric for reinforcement for concrete;
- steel wire rod for ball and roller bearings (see ISO 683‑17);
- steel wire rod for wire for high fatigue strength mechanical springs, such as valve springs.
In addition to the requirements of this document, the general technical delivery requirements specified in ISO 404 apply.

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ISO 16120-4:2017 specifies requirements for wire rod for conversion to wire for special applications. It is applicable to non-alloy steel wire rod with improved characteristics intended for drawing and/or cold rolling.

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ISO 16120-1:2017 series is applicable to wire rod of non-alloy steel intended for wire drawing and/or cold rolling. The cross-section can be circular, oval, square, rectangular, hexagonal, octagonal, half-round or another shape, generally with at least 5 mm nominal dimension, and with a smooth surface. ISO 16120-1:2017 specifies general requirements for non-alloy steel wire rod for conversion to wire. It is not applicable to products for which standards exist or are in development, for example: - steel wire rod intended for heat treatment; - free-cutting steel wire rod; - steel wire rod for cold heading and cold extrusion; - steel wire rod intended for the production of electrodes and products for welding; - steel wire rod for welded fabric for reinforcement for concrete; - steel wire rod for ball and roller bearings (see ISO 683‑17); - steel wire rod for wire for high fatigue strength mechanical springs, such as valve springs. In addition to the requirements of this document, the general technical delivery requirements specified in ISO 404 apply.

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ISO 16120-2:2017 is applicable to general purpose steel wire rod for drawing and/or cold rolling.

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ISO 16120-2:2017 is applicable to general purpose steel wire rod for drawing and/or cold rolling.

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This document specifies the technical delivery conditions for hot and cold formed stainless steel bars for the construction of pressure equipment supplied in accordance with one of the process routes and surface finishes listed in Table 5.
The general technical delivery conditions in EN 10021 also apply.
NOTE   Once this European Standard is published in the EU Official Journal (OJEU) under Directive 97/23/EC, presumption of conformity to the Essential Safety Requirements (ESRs) of Directive 97/23/EC is limited to technical data of materials in this European Standard and does not presume adequacy of the material to a specific item of equipment. Consequently, the assessment of the technical data stated in this material standard against the design requirements of this specific item of equipment to verify that the ESRs of Directive 97/23/EC are satisfied, needs to be done.

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This European Standard specifies the technical delivery conditions for hot rolled weldable steel bars for the construction of pressure equipment for use at elevated temperatures.
The general technical delivery conditions in EN 10021 also apply to products supplied in accordance with this European Standard.
NOTE   Once this European Standard is published in the Official Journal of the European Union (OJEU) under Directive 97/23/EC, presumption of conformity to the Essential Safety Requirements (ESRs) of Directive 97/23/EC is limited to technical data of materials in this European Standard and does not presume adequacy of the material to a specific item of equipment. Consequently, the assessment of the technical data stated in this material standard against the design requirements of this specific item of equipment to verify that the ESRs of the Pressure Equipment Directive 97/23/EC are satisfied, needs to be done.

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This document specifies the technical delivery conditions for hot and cold formed stainless steel bars for the construction of pressure equipment supplied in accordance with one of the process routes and surface finishes listed in Table 5.
The general technical delivery conditions in EN 10021 also apply.
NOTE   Once this European Standard is published in the EU Official Journal (OJEU) under Directive 97/23/EC, presumption of conformity to the Essential Safety Requirements (ESRs) of Directive 97/23/EC is limited to technical data of materials in this European Standard and does not presume adequacy of the material to a specific item of equipment. Consequently, the assessment of the technical data stated in this material standard against the design requirements of this specific item of equipment to verify that the ESRs of Directive 97/23/EC are satisfied, needs to be done.

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This European Standard specifies the technical delivery conditions for hot rolled weldable steel bars for the construction of pressure equipment for use at elevated temperatures.
The general technical delivery conditions in EN 10021 also apply to products supplied in accordance with this European Standard.
NOTE   Once this European Standard is published in the Official Journal of the European Union (OJEU) under Directive 97/23/EC, presumption of conformity to the Essential Safety Requirements (ESRs) of Directive 97/23/EC is limited to technical data of materials in this European Standard and does not presume adequacy of the material to a specific item of equipment. Consequently, the assessment of the technical data stated in this material standard against the design requirements of this specific item of equipment to verify that the ESRs of the Pressure Equipment Directive 97/23/EC are satisfied, needs to be done.

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ISO 16120-3:2011 is applicable to wire rod made of low-carbon, low-silicon, rimmed and rimmed substitute steel with high ductility intended for drawing and/or cold rolling.

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ISO 16120-3:2011 is applicable to wire rod made of low-carbon, low-silicon, rimmed and rimmed substitute steel with high ductility intended for drawing and/or cold rolling.

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The scope of this part of EN 10088 is to specify the technical delivery conditions for hot or cold formed bars, rods, wire, sections and bright products of standard and special grades of corrosion resisting stainless steels for construction purposes in addition to the general technical delivery conditions specified in EN 10021. This European Standard does not apply to components manufactured by further processing of the product forms listed in 1.1 with quality characteristics altered as a result of such further processing.

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This document specifies general requirements and definitions for the performance characteristics of weldable reinforcing steel used for the reinforcement of concrete structures, delivered as finished products in the form of:
-   bars, coils (rod, wire) and de-coiled products;
-   sheets of factory-made machine-welded fabric;
-   lattice girders.
1.2   Steels according to this document have a ribbed, indented or smooth surface.
1.3   This document does not apply to:
-   non-weldable reinforcing steel;
-   galvanized reinforcing steel;
-   epoxy-coated reinforcing steel;
-   corrosion resistant reinforcing steel;
-   prestressing steels (see prEN 10138-1 to -4);
-   indented strip;
-   further processing, e.g. cutting or cutting and bending.

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ISO 20723:2004 specifies delivery requirements that apply to the surface condition of hot-rolled sections with nominal thickness between greater than or equal to 3 mm and less than or equal to 160 mm. It applies to all surfaces excluding edges.

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This Part of this European Standard specifies the nominal dimensions and the tolerances on dimensions and shape of hot rolled spring steel flat bars for ribbed and grooved spring leaves.
This standard is applicable only to steel flats produced from steel grades specified in EN 10089.

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This European Standard specifies the nominal dimensions and the tolerances on dimensions and shape of hot-rolled finished square steel bars for general purposes.

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This European Standard specifies the nominal dimensions and the tolerances on dimensions and shape of hot-rolled round steel bars.

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This Part of this European Standard specifies the nominal dimensions and the tolerances on dimensions and shape of hot rolled steel flat bars for springs with three different types of profiles (A, B, and C). Formulas for calculation the moment of inertia are specified in annex A.
This standard is applicable only to spring steel flat bars produced from steel grades specified in EN 10089.

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This European Standard specifies the nominal dimensions and the tolerances on dimensions and shape of hot-rolled steel hexagon bars.

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This European Standard specifies the nominal dimensions and the tolerances on dimensions and shape of hot-rolled finished square steel bars for general purposes.

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This European Standard specifies the nominal dimensions and the tolerances on dimensions and shape of hot-rolled steel hexagon bars.

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This European Standard specifies the nominal dimensions and the tolerances on dimensions and shape of hot-rolled round steel bars.

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This Part of this European Standard specifies the nominal dimensions and the tolerances on dimensions and shape of hot rolled steel flat bars for springs with three different types of profiles (A, B, and C). Formulas for calculation the moment of inertia are specified in annex A.
This standard is applicable only to spring steel flat bars produced from steel grades specified in EN 10089.

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This Part of this European Standard specifies the nominal dimensions and the tolerances on dimensions and shape of hot rolled spring steel flat bars for ribbed and grooved spring leaves.
This standard is applicable only to steel flats produced from steel grades specified in EN 10089.

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Part 5 of this document, 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 document may be supplied are given in Table 1.
In addition to EN 10025-1:2004 the steels specified in this document 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 EN 10025-1:2004). Products delivered in +N condition can be hot formed and/or normalized after delivery (see Clause 3).

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Part 5 of this document, 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 document may be supplied are given in Table 1.
In addition to EN 10025-1:2004 the steels specified in this document 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 EN 10025-1:2004). Products delivered in +N condition can be hot formed and/or normalized after delivery (see Clause 3).

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