ASTM B564 17-4PH S17400 Hex bolt Alloy 630 1.4542 Hex Bolt
China professional manufacturer of ASTM B564 17-4PH S17400 Hex bolt,Alloy 630 1.4542 Hex Bolt. Alloy 17-4PH or UNS S17400 or type 630, is a chromium-nickel-copper precipitation-hardening martensitic Stainless Steel with an addition of niobium. 17-4PH is [...]