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SUS631/17-7 PH/S17700/1.4568 Valve & Pump Shaft Special Precipitation Hardening Stainless Steel

17-7PH (European standard 1.4568, Japanese standard SUS631) is a classic chromium - nickel-aluminum semi-austenitic precipitation-hardening stainless steel. Through controllable heat treatment phase transformation mechanisms, it combines excellent cold formability with ultra-high strength, making it ...