p9 steel pipe

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P9 steel pipe

A335 P9 is a high-temperature chromium-molybdenum alloy heat-resistant steel produced by American standards. Because of its good oxidation resistance, high temperature strength, and resistance to sulfide corrosion, it is widely used in petroleum refining and chemical plants at high temperature, high pressure, flammable, and easily The temperature of the medium of the exploded pipe, especially the heating furnace directly heating pipe, can reach 550 ~ 600 ℃.
The approximate domestic steel grade is 1Cr9Mo, and the 1Cr9Mo alloy pipe is GB 9948-2006.

Outside diameter: 1/2''--36''

Thickness: Sch5--Sch XXS

Length: 0.5m-12m (custom made if length over 12m)

Chemical Compositions:

ASTM A335 Low-Alloy Steel (Grades)	UNS equivalent	C≤	Mn	P≤	S≤	Si≤	Cr	Mo
P9	S50400	0.15	0.30~0.60	0.025	0.025	0.50~1.00	8.00~10.00	0.44~0.65

MECHANICAL PROPERTIES

				Hardness
A335 Low-Alloy Pipe	UNS Number	Yield Strength ksi（MPa）	Tensile Strength ksi(MPa)	Elongation %	Rockwell	Brinell
P9	S50400	30	60	30	–	–

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