Seamless Alloy-Steel Tube for High-Temperature Services

Alloy Steel Pipe,Seamless Alloy-Steel Pipe for High-Temperature Services,ASTM A335,TORICH

ASTM A335 Seamless ferritic and alloy steel pipe for high temperature service
Applications: for Boilers,Superheaters,Heat-Exchangers
Size range: O.D.:6-420mm W.T.:1-50mm L: according to customer requirement

Astm a103 ASTM A335 ferritic alloy steel seamless steel pipe

Steel Grade and Chemical Compositions:
Steel Grade	C	Mn	P	S	Si	Cr	Mo
	max	max	max	max	max	min
P5	0.15	0.30-0.60	0.025	0.025	0.50	4.00-6.00	0.45-0.65
P9	0.15	0.30-0.60	0.025	0.025	0.25-1.00	8.00-10.00	0.90-1.10
P11	0.05-0.15	0.30-0.60	0.025	0.025	0.50-1.00	1.00-1.50	0.44-0.65
P12	0.05-0.15	0.30-0.61	0.025	0.025	0.50	0.80-1.25	0.44-0.65
P21	0.05-0.15	0.30-0.60	0.025	0.025	0.50	2.65-3.35	0.80-1.06
P22	0.05-0.15	0.30-0.60	0.025	0.025	0.50	1.90-2.60	0.87-1.13
P91	0.08-0.12	0.30-0.60	0.020	0.010	0.20-0.50	8.00-9.50	0.85-1.05
P92	0.07-0.13	0.30-0.60	0.020	0.010	0.50	8.50-9.50	0.30-0.60

 

Steel Grade	Tensile Strength	Yield Strength	Elongation	Hardness.Max
	min.ksi [Mpa]	min.ksi [Mpa]	%	Brinell/Vickers		Rockwell
P1, P2	55[380]	30[205]	20
P12	60[415]	32[220]	20
P23	74[510]	58[400]	20
P91	85[585]	60[415]	30	250 HB/265 HV		25 HRC
P92, P911	90[620]	64[440]	30	250 HB/265 HV		25 HRC
P122	90[620]	58[400]	30	250 HB/265 HV		25 HRC

 

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