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BSI
BS 7668:2016

BS 7668:2016

Current

Current

The latest, up-to-date edition.

Weldable structural steels. Hot finished structural hollow sections in weather resistant steels. Specification

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-09-2016

Publisher

British Standards Institution

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Information and requirements to be agreed and
   documented
5 Classification and designation
6 Technical requirements
7 Inspection and testing
8 Samples
9 Test methods
10 Marking
Annexes
Annex A (normative) - Chemical composition and
        mechanical properties
Annex B (normative) - Location of samples and
        test pieces
Bibliography

Defines the technical delivery requirements for weldable weather resistant hot finished seamless, electric welded and submerged arc welded (longitudinal or helical) steel structural hollow sections of circular, square, rectangular or elliptical forms.

This British Standard specifies the technical delivery requirements for weldable weather resistant hot finished seamless, electric welded and submerged arc welded (longitudinal or helical) steel structural hollow sections of circular, square, rectangular or elliptical forms. It applies to hollow sections formed hot with or without subsequent heat treatment, or formed cold with a subsequent full body heat treatment to obtain equivalent metallurgical conditions to those obtained in a hot formed product.

The products are equally suitable for welded, bolted and riveted structures. The hollow sections specified in this British Standard are intended for use in construction or for general engineering purposes. Requirements for tolerances, dimensions and sectional properties are specified in BSEN10210‑2.

NOTE Four material grades are specified in this standard and the user should select the grade appropriate to the intended use and service conditions.

This British Standard does not apply to products currently covered by, BSEN10210‑1, BSEN10219‑1, BSEN10219‑2 or BSEN10225. However, the grades in BS7668:2016 are compatible with those of similar strength level specified in BSEN10025‑5.

In addition to the definitive requirements, this standard also requires the items detailed in Clause4 to be documented. For compliance with this standard, both the definitive requirements and the documented items are to be satisfied.

Committee
ISE/103
DevelopmentNote
Supersedes BS 7668(2004) and 16/30338305 DC. (09/2016)
DocumentType
Standard
Pages
26
PublisherName
British Standards Institution
Status
Current

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BS EN ISO 2566-1:1999 Steel. Conversion of elongation values Carbon and low alloy steels
BS EN ISO 148-1:2016 Metallic materials. Charpy pendulum impact test Test method
BS EN 10021:2006 General technical delivery conditions for steel products
BS EN 10052:1994 Vocabulary of heat treatment terms for ferrous products
BS EN ISO 15609-1:2004 Specification and qualification of welding procedures for metallic materials. Welding procedure specification Arc welding
BS EN 287-1:2011 Qualification test of welders. Fusion welding Steels
BS EN 10079:2007 Definition of steel products
BS EN 1993-1-10:2005 Eurocode 3. Design of steel structures Material toughness and through-thickness properties
BS EN ISO 10893-6:2011 Non-destructive testing of steel tubes Radiographic testing of the weld seam of welded steel tubes for the detection of imperfections
BS EN ISO 15607:2003 Specification and qualification of welding procedures for metallic materials. General rules
BS EN 10027-1:2016 Designation systems for steels Steel names
BS EN 10168:2004 Steel products. Inspection documents. List of information and description
BS EN 10210-1:2006 Hot finished structural hollow sections of non-alloy and fine grain steels Technical delivery requirements
BS EN ISO 377:2017 Steel and steel products. Location and preparation of samples and test pieces for mechanical testing
BS EN ISO 10893-11:2011 Non-destructive testing of steel tubes Automated ultrasonic testing of the weld seam of welded steel tubes for the detection of longitudinal and/or transverse imperfections
BS EN ISO 6892-1:2016 Metallic materials. Tensile testing Method of test at room temperature
BS EN ISO 15614-1:2017 Specification and qualification of welding procedures for metallic materials. Welding procedure test Arc and gas welding of steels and arc welding of nickel and nickel alloys
BS EN 1011-2:2001 Welding. Recommendations for welding of metallic materials Arc welding of ferritic steels
BS EN 10210-2:2006 Hot finished structural hollow sections of non-alloy and fine grain steels Tolerances, dimensions and sectional properties
BS EN 10025-5:2004 Hot rolled products of structual steels Technical delivery conditons for structural steels with improved atmospheric corrosion resistance
BS EN ISO 10893-2:2011 Non-destructive testing of steel tubes Automated eddy current testing of seamless and welded (except submerged arc-welded) steel tubes for the detection of imperfections
BS EN ISO 10893-7:2011 Non-destructive testing of steel tubes Digital radiographic testing of the weld seam of welded steel tubes for the detection of imperfections
BS EN 10204:2004 Metallic products. Types of inspection documents
BS EN 1011-1:2009 Welding. Recommendations for welding of metallic materials General guidance for arc welding
BS EN ISO 10893-3:2011 Non-destructive testing of steel tubes Automated full peripheral flux leakage testing of seamless and welded (except submerged arc-welded) ferromagnetic steel tubes for the detection of longitudinal and/or transverse imperfections

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