ISO/TC 17/SC 16 - Steels for the reinforcement and prestressing of concrete

This document specifies requirements for steel strand which has been given a stress-relieving heat treatment according to the general requirements specified in ISO 6934-1. This document covers 10 grades of steel strand for use in prestressed concrete construction; each strand can contain either 2, 3, 7 or 19 individual wires. In case of any conflict between the requirements of this document and ISO 6934-1, the requirements of document prevail.

This document specifies technical requirements for ribbed bars to be used as reinforcement in concrete. It is applicable to steel delivered in the form of bars, coils and de-coiled products. This document covers both weldable and non-weldable steels. It does not apply to ribbed bars produced from finished products, such as plates and railway rails. The production process is at the discretion of the manufacturer.

This document specifies test methods applicable to prestressing steel (bar, wire or strand) for concrete. This document does not cover the sampling conditions that are dealt with in the product standards. A list of options for agreement between the parties involved is provided in Annex A.

This document specifies chemical and mechanical test methods and measurement methods of geometrical characteristics applicable to welded fabric and lattice girders for the reinforcement of concrete. NOTE In some countries, the expression "welded wire reinforcement" is used in place of "welded (wire) fabric". For those tests not specified in this document (e.g. bend test, rib/indentation geometry, mass per metre), ISO 15630-1 is applicable. This document does not cover the sampling conditions that are dealt with in the product standards. A list of options for agreement between the parties involved is provided in Annex A.

This document specifies chemical and mechanical test methods and measurement methods of geometrical characteristics applicable to reinforcing bars, rods and wire for concrete. This document does not cover the sampling conditions that are dealt with in the product standards. A list of options for agreement between the parties involved is provided in Annex A.

This document specifies requirements for couplers for the mechanical splicing of steel reinforcing bars. More onerous requirements can be specified by the customer. This document is applicable to the continuous production of coupler components. It is intended to be used with adequate control measures for the processing of reinforcing bars, i.e. the production of the mechanical splice. This document specifies requirements for couplers used for mechanical splices in reinforced concrete structures under predominantly static loads. It specifies additional requirements for couplers used in structures subject to high-cycle elastic fatigue loading and/or low-cycle elastic-plastic reverse loading. NOTE ISO 15835-3 specifies the quantity of tests. Compression-only couplers such as end-bearing sleeves are not covered by the ISO 15835 series.

This document specifies test methods applicable to couplers for mechanical splices of steel reinforcing bars. This document is applicable to the various standards for steel reinforcing bars as well as the various reinforced concrete design standards.

This document specifies rules for a certification scheme for continuous production of steel bars, rods and wires for the reinforcement of concrete structures in order to verify conformity with requirements specified in product standards, such as ISO 6935‑1 and ISO 6935‑2. It includes requirements for the production process and management system assessment activities. A product certification scheme for continuous production consists of the following stages: — initial evaluation; — review of evidence of conformity; — certification decision and attestation; — surveillance activities.

This document specifies rules for the certification and for the self-evaluation of couplers to be used for the mechanical splicing of steel reinforcing bars. It includes requirements for the control of the manufacturing process of the couplers and for the verification of their conformity in the form of mechanical splices.

This part of ISO 15698 specifies test methods applicable to headed steel bars to be used as reinforcement of concrete structures. This part of ISO 15698 is intended to be applicable in relation to the various reinforced concrete design standards, as well as in relation to the various standards for steel reinforcing bars. Testing of headed bars under impact loading is outside the scope of this part of ISO 15698.

This part of ISO 15698 specifies requirements for headed steel bars to be used as reinforcement of concrete structures. This part of ISO 15698 is a product standard and not an application standard. It is intended to cover a large variety of products and also to support the development of new products. This part of ISO 15698 specifies requirements for headed reinforcing bars with heads made of steel. Heads or head-bar connections made using other materials, including metal-filled sleeves, are not covered by this part of ISO 15698. End anchorages consisting of a steel bar or other steel component positioned orthogonally at the end(s) of a bar and welded on-site to the bar are outside the scope of this part of ISO 15698. This part of ISO 15698 is intended to cover products which are manufactured in a continuous production that allows the products to be tested in accordance with a defined testing regime. Requirements and testing for headed bars under impact loading are outside the scope of this part of ISO 15698.

ISO 6935-1:2007 specifies technical requirements for plain bars to be used as reinforcement in concrete. ISO 6935-1:2007 covers nine steel grades not intended for welding which are B240A-P, B240B-P, B240C-P, B240D-P, B300A-P, B300B-P, B300C-P, B300D-P and B420D-P, and one steel grade intended for welding which is B420DWP. The production process is at the discretion of the manufacturer. It also applies to plain bars supplied in coil form. The requirements of ISO 6935-1:2007 apply to straightened product. The steel grades are designated with steel names allocated in accordance with ISO/TS 4949:2003. ISO 6935-1:2007 covers products delivered in straight lengths. Plain bars produced from finished products, such as plates and railway rails, are excluded.

ISO 14657:2005 specifies requirements for hot-dip zinc (galvanized) coating on steel reinforcing bars, wire and welded fabric used in the reinforcement of concrete. It specifies three classes, class A, class B and class C coatings, which differ in coating mass. ISO 14657:2005 does not apply to hot-dip zinc-coated reinforcements for prestressing or components of these reinforcements.

This International Standard specifies requirements for fusion-bonded, epoxy-coated, or epoxy-coated and filled, seven-wire prestressing steel strand for the prestressing of concrete. NOTE Use of epoxy-coated strand in pre-tensioned applications such as fire-rated construction should be approached with caution.

This International Standard specifies requirements for epoxy powders for use in preparing fusion-bonded epoxycoated steel reinforcing bar, wire and welded fabric. This International Standard also includes requirements for sealing material used to repair damaged areas and cut ends on reinforcing steel. This International Standard defines a flexible (type A) coating and a nonflexible (type B) coating. The adhesion and moisture resistance of fusion-bonded epoxy powder coatings can be enhanced by certain formulation designs. These coating enhancements typically result in a reduction of the coating's flexibility.

This International Standard specifies requirements for fusion-bonded epoxy-coated post-fabricated and prefabricated steel bar, wire and welded fabric for the reinforcement of concrete. This International Standard permits the application of either flexible (type A) or nonflexible (type B) coatings. Steel reinforcing bar, wire and welded fabric coated with a nonflexible (type B) coating shall not be fabricated after coating.

Specifies technical requirements and test methods (dimensions, masses, tolerances, geometry of ribbed and indented wires, chemical composition, mechanical properties, designation, marking, certification and inspection). Applies to wire made from rod by working through dies or rollers. For wire supplied in coil form, the requirements apply to the straightened product. Wires produced from finished products, such as plates and railway rail, are excluded.

Specifies technical requirements and test methods (form and dimensions, chemical composition, mechanical properties, designation, marking, certification and inspection, verification of conformity) for factory made sheets or rolls of welded fabric, manufactured from steel wires or bars with diameters from 4 mm to 16 mm.

Specifies rules for a certification scheme. Such a scheme for continuous production consists of the following stages: suitability testing, internal inspection by the manufacturer, inspection and supervision by an external body.

Specifies requirements for round high tensile steel wires having plain, ribbed, grooved or indented surface. Table 1 includes the parameters for nominal wire diameters from 6,0 mm up to 16,0 mm. Annex A is for information only.

Specifies requirements for round high tensile steel bars having plain or ribbed surface. Table 1 includes the parameters for nominal bar diameters from 15 mm up to 40 mm.

ISO 6935-2:2015 specifies technical requirements for ribbed bars to be used as reinforcement in concrete. ISO 6935-2:2015 is applicable to steel delivered in the form of bars, coils and de-coiled products. It includes both weldable and non-weldable steels. The production process is at the discretion of the manufacturer. It is not applicable to ribbed bars produced from finished products, such as plates and railway rails.

ISO 15630-3:2010 specifies test methods applicable to prestressing steels (bar, wire or strand) for concrete.

ISO 15630-2:2010 specifies test methods applicable to welded fabric for the reinforcement of concrete.

ISO 15630-1:2010 specifies test methods applicable to reinforcing bars, wire rod and wire for concrete.

ISO 15835-1:2009 specifies requirements for reinforcement couplers, hereafter called couplers, to be used for splicing of steel reinforcing bars. ISO 15835-1:2009 specifies requirements for couplers to be used for mechanical splices in reinforced concrete structures under predominantly static loads and additional requirements for couplers to be used in structures subject to high cycle elastic fatigue loading and/or to low cycle elastic-plastic reverse loading. ISO 15835-1:2009 is intended to be applicable in relation to the various reinforced concrete design standards as well as in relation to the various standards for steel reinforcing bars. ISO 15835-1:2009 also provides directions for the evaluation of conformity of couplers. Compression-only couplers such as end bearing sleeves are not covered by ISO 15835-1:2009.

ISO 15835-2:2009 specifies test methods applicable to couplers for mechanical splices of steel reinforcing bars. ISO 15835-2:2009 is intended to be applicable in relation to the various standards for steel reinforcing bars as well as in relation to the various reinforced concrete design standards.

ISO 6935-2:2007 specifies technical requirements for ribbed bars to be used as reinforcement in concrete. ISO 6935-2:2007 covers ten steel grades not intended for welding which are B300A-R, B300B-R, B300C-R, B300D-R, B400A-R, B400B-R, B400C-R, B500A-R, B500B-R and B500C-R, and eleven steel grades intended for welding which are B300DWR, B350DWR, B400AWR, B400BWR, B400CWR, B400DWR, B420DWR, B500AWR, B500BWR, B500CWR and B500DWR. The steel grades are designated with steel names allocated in accordance with ISO/TS 4949:2003. ISO 6935-2:2007 covers products delivered in straight lengths. The production process is at the discretion of the manufacturer. Ribbed bars produced from finished products, such as plates and railway rails, are excluded.

ISO 15630-3 specifies test methods applicable to prestressing steels (bar, wire or strand) used in the reinforcement and prestressing of concrete.

ISO 15630-1 specifies test methods applicable to steel reinforcing bars, wire rod and wire used for reinforcing and prestressing of concrete.

ISO 15630-2 specifies test methods applicable to welded steel fabric used for the reinforcement and prestressing of concrete.

Specifies two methods for determining the percentage total elongation at maximum force by tensile testing of ordinary reinforcing steel. One method is based on measurement by means of an extensometer during the tensile test. The other method is based on measurement after fracture.

The test method is based on placing and centring a test piece so that the pulling wire can move freely (the pulling wire shall be supported in such a way that it will not bend; the rate of stress increase in the pulling wire shall not exceed 10 MPa/s) and recording the maximum force during the test and the location of the fracture.

Specifies requirements for high tensile steel strand which has been given a stress relieving heat treatment according to the general requirements specified in ISO 6934-1. The strand may contain either 2, 3, 7 or 19 individual wires.

Specifies technical requirements for five grades of steel; thereat RB 300, RB 400 and RB 500 are difficult to weld, but RB 400W and RB 500W are readily to weld.

Specifies procedures for bend and rebend testing of reinforcing steel bars in order to determine the ageing properties of bars exposed to plastic deformation.