1.1 This specification covers two types of quenched and tempered alloy steel, metric heavy hex structural bolts having a tensile strength of 1040 to 1210 MPa.
1.2 These bolts are intended for use in structural connections comparable to those covered under the requirements of the Specification for Structural Joints Using ASTM A325 and A490 bolts, approved by the Research Council on Structural Connections; endorsed by the American Institute of Steel Construction and by the Industrial Fastener Institute.2
1.3 The bolts are furnished in nominal bolt diameters M12 to M36, inclusive. They are designated by type denoting chemical composition as follows:
Type | Description |
|
|
Type 1 | Medium carbon alloy steel |
Type 2 | Withdrawn in 2002 |
Type 3 | Weathering steel |
1.4 This specification is applicable to metric hea......
Copyright ©2024 All Rights Reserved