ASTM A213 T11 Ferritic Alloy-Steel Seamless Tubes

ASTM A213 T11 Ferritic Alloy-Steel Seamless Tubes

ASTM A213 T11 ferritic alloy steel seamless pipe is a seamless steel pipe used in boilers, superheaters and heat exchangers.

standard:ASTM

Surface :1. Galvanized 2. Black and Color Painting

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introduction

ASTM A213/A 213M, ASME SA213 T11 are standards for seamless alloy steel boiler tubes, superheater tubes and heat exchanger tubes.
ASTM A213 T11 seamless steel pipe chemical composition requirements are: C 0.05~0.15%, Mn 0.30~0.60%, P≤0.025%, S≤0.025%, Si 0.50~1.00%, Cr 1.00~1.50%, Mo 0.44~ 0.65% .
The mechanical properties of ASTM A213 T11 superheater tubes include tensile strength not less than 415MPa and yield strength not less than 170MPa, ensuring the stability and reliability of the steel pipe under various harsh working conditions.
ASTM A213 T11 seamless alloy pipes produced by GNEE shall be manufactured using a seamless process and shall be hot or cold worked as specified. Sizes and thicknesses range from 1⁄8 in. [3.2 mm] inside diameter to 5 in. [127 mm] outside diameter, and 0.015 to 0.500 in. [0.4 to 12.7 mm] outside diameter, including minimum wall thickness, or, if specified on order , then includes the average wall thickness. Pipes of other diameters may also be provided, provided such pipes comply with all other requirements of this code.

Data table

Heat Treatment of ASTM A213 T11 pipe

Grade	UNS Number	Heat Treat Type	Austenitizing/ Solutioning Temperature, min or range ºF [ºC]	Cooling Media	Subcritical Annealing or Tempering Temperature, min or range ºF [ºC]	ASTM Grain S
Ferritic Alloy Steels
T11	K11597	full or isothermal anneal	…	…	…	…
T11	K11597	normalize and temper	…	…	1200 [650]	…

Mechanical Properties of ASTM A213 T11 Seamless Boiler Tubes

Grade	Tensile Strength, min, ksi [MPa]	Yield Strength, min, ksi [MPa]	Elongation in 2 in. or 50 mm,min, %	Hardness
				Brinell/Vickers	Rockwell
T11	60 [415]	30 [205]	30	179 HBW/ 190HV	89 HRB

Manufacture:Seamless process ,Hot-finished or Cold-finished
Wall thickness(WT): 0.9 mm--12.7 mm.
Outer diameter (OD): 12.7 mm--127 mm
Length: 6M or specified length as required.
Ends: Plain End, Beveled End, Treaded

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