1.1 This specification covers two types of quenched and tempered, alloy steel, heavy hex structural bolts having a tensile strength of 150 to 173 ksi.
1.2 These bolts are intended for use in structural connections. These connections are covered under the requirements of the Specification for Structural Joints Using Specification A 325 or A 490 bolts, approved by the Research Council on Structural Connections; endorsed by the American Institute of Steel Construction and by the Industrial Fastener Institute.
1.3 The bolts are furnished in sizes 1/2 to 11/2in., 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Type 2 | Withdrawn in 2002 |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 provides that heavy hex structural bolts shall be furnished unless other dimensional requirements are specified on the purchase order.
1.5 Terms used in this specification are defined in Terminology F 1789 unless otherwise defined herein.
1.6 For metric bolts, see Specification A 490M Classes 10.9 and 10.9.3
Product Details
- Published:
- 08/01/2006
- Number of Pages:
- 6
- File Size:
- 1 file , 100 KB
- Redline File Size:
- 2 files , 180 KB