China Manufacturer Special Steel Customized High Precision ASME SA182 SS 17-4PH Forging Flange

Type 17-4 PH stainless steel is the most widely used of all of the precipitation-hardening stainless steels. Its valuable combination of properties gives designers opportunities to add reliability to their products while simplifying fabrication and often reducing costs. Type 17-4 PH is a martensitic precipitation-hardening stainless steel that provides an outstanding combination of high strength, good corrosion resistance, and good mechanical properties at temperatures up to 600°F (316°C). Its unique combination of properties make this alloy an effective solution to many design and production problems.

17-4PH Stainless Steel Flange forgings :

1.Well suited for high strength applications

2.Up to 4x stronger than 316 stainless steel

3.Maintains its mechanical strength up to 600°F

17-4PH Forged Round Flange Specialfication:

Characteristics of 17-4PH:

17-4 can be heat treated to high levels of strength and hardness, and features corrosion resistance and machinability comparable to austenitic 304 stainless. Being martensitic, 17-4 is magnetic.

17-4 is capable of being hardened up to approximately 44 Rc when heat treated to condition H900.

Overaging (aging beyond the peak strength condition) improves resistance to stress corrosion cracking

Metallurgical Structure
17-4 alloy has a face-centered cubic structure. In the age-hardened Condition a Ni3Al phase is formed with similar structure.

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