| Property | Requirement | |----------|--------------| | Tensile Strength | 60 ksi (415 MPa) min | | Yield Strength (min) | 36 ksi (248 MPa) typical (not mandatory by A307 but common for Grade A) | | Elongation (in 2 in.) | 18% min | | Reduction of Area | 35% min |
: Heavy hex bolts and studs specifically for flanged joints in piping systems with cast iron flanges; these have a tensile strength range of 60–100 ksi. astm a307 anchor bolts specifications