We are SAE 17-4PH Stainless welded pipe,17-4 PH stainless steel plates supplier

 

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Ryin stainless factory produce 17-4PH Stainless welded pipe and 17-4 PH Stainless steel plates,17-4PH forge pieces,17-4PH machined parts.

What is 17-4 PH Stainless steel grade?
17-4PH stainless steel material (We usual call them SAE Type 630 stainless steel or simply 17-4; We also call UNS 17400) is a grade of martensitic precipitation hardened stainless steel. It contains approximately 15–17.5% chromium and 3–5% nickel, as well as 3–5% copper.

The name comes from the chemical makeup which is approximately 17% chromium and 4% nickel.

 

17-4PH alloy is a stainless steel with precipitation, quenching water, martensite, and this grade has high strength, hardness and corrosion resistance.

After heat treatment, the mechanical properties of the product are more perfect, and it can reach compressive strength up to 1100-1300 mpa (160-190 ksi).

This grade cannot be used at temperatures above 300 (570F) or at very low temperatures. It has good corrosion resistance to the atmosphere and dilute acids or salts.

 

 

What is 17-4PH chemical composition?

17-4PH Stainless steel chemical composition %
17-4PH	C	Si	Mn	Cr	Ni	Cu
	0.07	1.0	1.0	15.5-17.5	3-5	3-5
	Nb	P	S
	0.15-0.45	0.035	0.035

 

 

SAE 17-4PH Stainless Properties:

17-4 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.

when heat treated to condition H900,17-4PH hardened up to approximately 44 Rc.

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

 

 

SAE 17-4PH Stainless applications:

 

Type 17-4 PH stainless steel has applications in industries like paper, petrochemical, aerospace and food processing Aerospace (turbine blades), Mechanical components, Nuclear waste barrel. It is widely used in various general metalwork applications.

 

What is PH meaning at 17-4PH stainless steel?

The precipitation hardening (PH) stainless steels are a family of corrosion resistant alloys

They are heat treated to provide tensile strengths of 850MPa to 1700MPa and yield strengths of 520MPA to over 1500MPa.

 

What is the difference between 17-4 and 17-4ph?

 

Type 17-4 PH provides an outstanding combination of high strength, good corrosion resistance, and good mechanical properties at temperatures up to 600°F (316°C). 17-4 PH has slightly more Ferrite than other PH grades, making it a bit more magnetic. 17-4 PH provides toughness in both base metals and welds.

 

If any requirement for 17-4PH stainless steel plate,  round bar,17-4 PH seamless pipe and 17-4ph stainless welded pipes, please feel free to contact us.

 

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