SEAMLESS FERRITIC AND AUSTENITIC ALLOY~STEEL BOILER, SUPERHEATER,AND HEAT~EXCHANGER TUBES(ASME SA213/ASTM A213)
Standard: ASME SA 213/ASTM A213        Steel grade: T5, T11, T12
Delivery condition: Hot~finished, Normalizinig rolled
Size range: OD inch to 5 inch, WT 6MM TO 12.7 MM
Tolerance: according to ASME SA213/ASTM A213
Length: customized according to requirements
Certificate: EN10204/3.1
GENERAL INFORMATION
Pipes are intended for boiler, superheater, and heat~exchanger.
CHEMICAL COMPOSITION (CAST ANALYSIS) IN%
Steel grade	C	Si	Mn	P max	S max	Cr max	Mo max
T5	≦0.15	≦0.50	0.30~0.60	0.025	0.025	4.00~6.00	0.45~0.65
T11	0.05~0.15	0.50~1.00	0.30~0.60	0.025	0.025	1.00~1.50	0.44~0.65
T12	0.05~0.15	≦0.50	0.30~0.61	0.025	0.025	0.80~1.25	0.44~0.65
MECHANICAL PROPERTIES
Steel grade	Yield strength Min (Mpa)		Tensile strength Min(Mpa)		Elongation A Min(%)	Hardness Max
T5	415		205		30	85HRB (170HB)
T11	415		205			85HRB (170HB)
T12	415		220			85HRB (170HB)