ASTM A213 T11 Alloy Seamless Steel Boiler Tubes

Short Description:

ASTM SA 213 Standard

Seamless Alloy Steel Pipes Ferritic And Austenitic For Boiler Superheater Heat Exchanger Alloy Pipes Tubes

Size: O.D: 15.0～200mm W.T: 2～25mm

Grade: T11,T12,T13

MOQ: 5 Tons.

Length: 6M or specified length as required.

Ends: Plain End, Beveled End.

Supply Ability: Annual 20000 Tons Inventory Of Steel Pipe

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Chemical Composition and Mechanical Properties of ASTM A213 Seamless Alloy Boiler Tubes

Grade and Chemical Composition (％)

Grade	C	Mn	P≤	S≤	Si	Cr	Mo
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
T13	0.05-0.15	0.30-0.60	0.025	0.025	≤0.50	1.90-2.60	0.87-1.13

Mechanical Properties(MPa)：

Grade	Tensile Point	Yield Point
T11	≥415	≥205
T12	≥415	≥220
T13	≥415	≥205

Third Party Inspection of Seamless Steel Pipe:

Out Diameter Inspection

Wall Thickness Inspection

End Inspection

Straightness Inspection

UT Inspection

Appearance Inspection

Manufacturing Process of ASTM A213 Alloy Seamless Steel Tubes

ASTM A213 alloy seamless steel tubes are produced either by cold-drawn or hot rolled, as specified. Grade TP347HFG shall be cold finished. Heat treatment shall be done separately and in addition to heating for hot forming. The ferritic alloy and ferritic stainless steels shall be reheated. On the other hand, austenitic stainless steel tubes shall be furnished in the heat-treated condition. Alternatively, immediately after hot forming, while the temperature of the tubes is not less than the minimum solution temperature, tubes may be individually quenched in water or rapidly cooled by other means.