Heat Treated Structural Steel Bolts SA-490 Minimum Tensile Strength 150Ksi
This standard applies to two types of quenched and tempered heavy structural steel bolts with tensile strength of 150Ksi to 173Ksi. The supply size of bolts is 1/2 "~ 1-1/2". The size standard of bolts is generally ASMEB18.2.1 or B18.2.6 heavy series. Matching nuts are generally used first A563 carbon steel and alloy steel nuts. F436 type I hardened gasket is generally used as the matching gasket. The test method is preferred to the full-size tensile test.
This standard applies to two types of quenched and tempered heavy structural steel bolts with tensile strength of 150Ksi to 173Ksi.
The supply size of bolts is 1/2 "~ 1-1/2". The size standard of bolts is generally ASME B18.2.1 or B18.2.6 heavy-duty series.
Matching nuts are generally used first A563 carbon steel and alloy steel nuts.
F436 type I hardened gasket is generally used as the matching gasket.
The test method is preferred to the full-size tensile test.
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