ASTM A312 A269 Stainless Steel Pipe

ASME/ASTM Standard

Stainless Steel Pipe

Standard

ASTM A312/A312M 05a

ASTM A269 04

Application

ASTM A269 04 is used for general corrosive and low or high temperature condition service.

ASTM A312/A312M 05a is used for high temperature and general corrosive condition service.

Main Steel Tube Grades

TP304, TP304L, TP321, TP316, TP316L, TP347, TP347H

Chemical Composition

Steel Grade	Chemical Composition %
	C	Mn	P	S	Si	Cr	Ni	Mo
TP304	0.08	2.00	0.045	0.030	0.75	18.0-20.0	8.0-11.0	/
TP304L	0.035	2.00	0.045	0.030	0.75	18.0-20.0	8.0-13.0	/
TP304H	0.04-0.10	2.00	0.045	0.030	0.75	18.0-20.0	8.0-11.0	/
TP316	0.08	2.00	0.045	0.030	0.75	16.0-18.0	11.0-14.0	2.00-3.00
TP316L	0.035	2.00	0.045	0.030	0.75	16.0-18.0	10.0-14.0	2.00-3.00
TP316H	0.04-0.10	2.00	0.045	0.030	0.75	16.0-18.0	11.0-14.0	2.00-3.00
TP321	0.08	2.00	0.045	0.030	0.75	17.0-19.0	9.0-12.0	/
TP347	0.08	2.00	0.040	0.030	0.75	17.0-20.0	9.0-13.0	/
TP347H	0.04-0.10	2.00	0.040	0.030	0.75	17.0-20.0	9.0-13.0	/

 

Mechanical Properties

Steel Grade	Mechanical Properties
	Tensile Strength MPa	Yield Strength MPa	Elongation %
TP304	≥515	≥205	≥35
TP304L	≥485	≥170	≥35
TP304H	≥515	≥205	≥35
TP316	≥515	≥205	≥35
TP316L	≥485	≥170	≥35
TP316H	≥515	≥205	≥35
TP321	≥515	≥205	≥35
TP347	≥515	≥205	≥35
TP347H	≥515	≥205	≥35