1 Scope
This standard specifies the technical requirements, test methods, test rules, marking and packing of high strength bolts with large hexagon head, large hexagon nuts, washers and connect sets for steel structures.
This standard is applicable to the friction-type high strength bolt connection of railway and highway bridges, boiler steel structures, industrial buildings, high-rise civil buildings, tower structures, hoisting machinery and other steel structures.
2 Normative References
The following provisions, through reference in this text, constitute provisions of this standard. For dated reference, all subsequent amendments to (not including the errata contents), or revisions of, any of these publications do not apply. However, parties having reached an agreement on this standard are encouraged to study whether the latest revisions of these documents apply or not. For undated reference, the latest revisions apply to this standard.
