ASTM A213

ASTM A213: American Society for Testing and Materials
Seamless Ferritic and Austenitic Alloy-Steel Boiler,Superheater, and Heat-Exchanger Tubes
Application: Power plant; Chemical Fertilizer; Petrochemicals; Offshore Oils; Gas Productions; Refineries and etc.

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Introduction
Description

ASTM A213: American Society for Testing and Materials
Seamless Ferritic and Austenitic Alloy-Steel Boiler,Superheater, and Heat-Exchanger Tubes
Application: Power plant; Chemical Fertilizer; Petrochemicals; Offshore Oils; Gas Productions; Refineries and etc.

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Chemical Requirements
Grade	UNS Designation	Composition %
Grade	UNS Designation	C	Mn	P max	S max	Si	Cr	Mo	Others
T2	K11547	0.10-0.20	0.30-0.61	0.025	0.025	0.10-0.30	0.50-0.81	0.44-0.65	...
T5	K41545	0.15max	0.30-0.60	0.025	0.025	0.50max	4.0-6.0	0.45-0.65	...
T9	K90941	0.15max	0.30-0.60	0.025	0.025	0.25-1.00	8.0-10.0	0.90-1.10	...
T11	K11597	0.05-0.15	0.30-0.60	0.025	0.025	0.50-1.00	1.0-1.5	0.44-0.65	...
T12	K11562	0.05-0.15	0.30-0.61	0.025	0.025	0.50max	0.80-1.25	0.44-0.65	...
T22	K21590	0.05-0.15	0.30-0.60	0.025	0.025	0.50max	1.9-2.6	0.87-1.13	...
T91	K90901	0.07-0.14	0.30-0.60	0.020	0.010	0.20-0.50	8.0-9.5	0.85-1.05	V 0.18-0.25 N 0.030-0.070 Ni 0.4 Al 0.02max Ti 0.01 max Zr 0.01max

Mechanical Properties
Grade
	T2	T5	T9	T11	T12	T22	T91
Tensile strength, min:
ksi	60	60	60	60	60	60	85
Mpa	415	415	415	415	415	415	585
Yield strength, min:
ksi	30	30	30	30	30	30	60
MPa	205	205	205	205	220	205	415

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ASTM A213

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