T5/T9/T11/T12/T22

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Product Information

ASTM A213 T5/T9/T11/T12/T22 Seamless Alloy steel Boiler Tubes

ASTM A199 T5/T9/T11/T21 Seamless Cold drawn Alloy steel Boiler Tubes

Application

Boiler,Superheater, Condenser and Heat-exchanger

Size Range

OD: 3.2-76.2 mm

WT:1-15 mm

Length: 3m-12m or according to your requirements

Standead	Grade	Chemical Composition%
Standead	Grade	C	Mn	P	S	Si	Cr	Mo
ASTM A213	T5	≤0.15	0.30-0.60	≤0.025	≤0.025	≤0.50	4.00-6.00	0.45-0.65
	T9	≤0.15	0.30-0.60	≤0.025	≤0.025	0.25-1.00	8.00-10.00	0.90-1.10
	T11	0.05-0.15	0.30-0.60	≤0.025	≤0.025	0.50-1.00	0.50-1.00	1.00-1.50
	T12	0.05-0.15	0.30-0.61	≤0.025	≤0.025	≤0.50	0.80-1.25	0.44-0.65
	T22	0.05-0.15	0.30-0.60	≤0.025	≤0.025	≤0.50	1.90-2.60	0.87-1.13

Standead	Grade	mechanical properties
Standead	Grade	Tensile Strength(Mpa)	Yield Strength(Mpa)	Elongation(%)
ASTM A213	T5	≥415	≥205	≥30
	T9	≥415	≥205	≥30
	T11	≥415	≥205	≥30
	T12	≥415	≥220	≥30
	T22	≥415	≥205	≥30

Standard	Grade	Chemical Composition%
Standard	Grade	C	Mn	P	S	Si	Cr	Mo
ASTM A199	T5	≤0.15	0.30-0.60	≤0.025	≤0.025	≤0.50	4.00-6.00	0.45-0.65
	T9	≤0.15	0.30-0.60	≤0.025	≤0.025	0.25-1.00	8.00-10.0	0.90-1.10
	T11	0.05-0.15	0.30-0.60	≤0.025	≤0.025	0.50-1.00	1.00-1.50	0.44-0.65
	T21	0.05-0.15	0.30-0.60	≤0.025	≤0.025	≤0.50	1.90-2.60	O.87-1.13

Standard	Grade	Mechanical Properties
Standard	Grade	Tensile Strength(Mpa)	Yield Strength(Mpa)	Elongation(%)
ASTM A199	T5	≥415	≥170	≥30
	T9	≥415	≥170	≥30
	T11	≥415	≥170	≥30
	T22	≥415	≥170	≥30

Surface Treatment

Black painting, transparent oil etc

Inspection

Chemical Composition Inspection,Mechanical Properties Test, Surfactsurfact and Dinmension Test, Non-destructive test, Hydrostatic Test.

Heat Treatment

Annealed & Normalized

Packages

Bundles, wooden cases or according to your requirements

Certificate

ISO,PED,BV etc