What material is 17-4 PH? What standard does it comply with? ?

2017-10-27View Original

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What material is 17-4 PH? What standard does it comply with? ?

Reply #22017-10-27

17-4PH alloy is a precipitation-hardening, martensitic stainless steel composed of copper and niobium/calcium. 　　This grade features high strength, hardness (up to 300°C/572°F), and corrosion resistance. 　　After heat treatment, the mechanical properties of the product are further improved, enabling it to achieve a compressive strength of up to 1100–1300 MPa (160–190 ksi). 　　This grade cannot be used at temperatures higher than 300°C (572°F) or at very low temperatures. It possesses good corrosion resistance against the atmosphere as well as against diluted acids or salts, and its corrosion resistance is comparable to that of 304 and 430 grades.

Reply #32022-05-05

What does this PH mean?

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