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Alloy Steel A213 T11 Tubing
Alloy Steel A213 T11 Tubing
Alloy Steel A213 T11 Tubing
Alloy Steel A213 T11 Tubing
Alloy Steel A213 T11 Tubing
Alloy Steel A213 T11 Tubing
Alloy Steel A213 T11 Tubing
Alloy Steel A213 T11 Tubing

Alloy Steel A213 T11 Tubing

ASTM A213 T11 Standard covers seamless ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes.
Specifications: ASTM A213 T11, ASME SA 213
Dimension: 1/8” to 24”
Description
Technical data
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Description

Alloy grade T11 steel offers high oxidation resistance, plasticity and thermal strength even at up 580℃. It has good weldability, needs preheating to 300℃ before welding and removing stress treatment after welding, has been widely used in high pressure, ultra-high pressure, subcritical power station boiler superheater, header and main steam duct. WIHO metals is a leading alloy steel tube supplier and manufacturer, we supply alloy steel ASTM A213 Grade T11 Seamless steel tubes manufactured in hot finished or cold finished and equivalent material for boiler and economizer, heater, superheater and reheater system in various sizes and specifications.

Grade T11 and P11 tubing
Grade T11 and P11 seamless steel pipes are included in ASTM or ASME suited for boiler superheater, reheater pipe and heat-exchanger tubes. Grade T11 specified in ASTM A213 covers seamless Ferritic and Austenitic steel tube, and ASTM A335 Grade P11 Seamless Ferritic Alloy-Steel Pipe and are used mainly for High-Temperature Services such as boiler, superheater, and heat exchanger. We can say that Gr T11 and P11 have been substituted for another one when the same purpose.

WIHO metals is a leading alloy steel tube supplier and manufacturer, we supply alloy steel ASTM A213 Grade T11 and ASTM A335 Grade P11 seamless steel tubes manufactured in hot finished or cold finished and equivalent material for boiler and economizer, heater, superheater and reheater system in various sizes and specifications.

Technical data

ASTM A213 T11 Tubing Equivalent Material

UNS ASTM EN DIN JIS GB
K11597  P11 10CrMo5-5 1.7338 STBA23 12Cr1MoV

 

ASTM A213 T11 Pipe Chemical Composition

Grade C Mn P S Si Cr Mo
Gr.T11 0.05-0.15 0.30-0.60 ≤0.025 ≤0.035 0.50-1.00 1.00-1.50 0.44-0.65

 

ASTM A213 T11 Tube Mechanical Properties

Material Tensile Strength (Mpa) Yield Strength (Mpa) Elongation(%) Hardness(HRB)
Gr.T11 ≥415 ≥220 ≥30 ≤85
 

Chemical Composition(%) for ASTM A213 T11 Low Alloy Steel

UNS Designation K11597
Carbon 0.05-0.15
Manganese 0.30–0.60
Phosphorus 0.025
Sulfur 0.025
Silicon 0.50-1.00
Nickel
Chromium 1.00-1.50
Molybdenum 0.44-0.65
Vanadium
Boron
Niobium
Nitrogen
Aluminum
Tungsten
Other Elements
Standard

ASTM A213 Standard Scope
1.1 This specification covers seamless ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes, designated Grades T91, TP304, etc. These steels are listed in Tables 1 and 2.
1.2 Grades containing the letter, H, in their designation, have requirements different from those of similar grades not containing the letter, H. These different requirements provide higher creep-rupture strength than normally achievable in similar grades without these different requirements.
1.3 The tubing sizes and thicknesses usually furnished to this specification are 1/8 in. [3.2 mm] in inside diameter to 5 in. [127 mm] in outside diameter and 0.015 to 0.500 in. [0.4 to 12.7 mm], inclusive, in minimum wall thickness or, if specified in the order, average wall thickness. Tubing having other diameters may be furnished, provided such tubes comply with all other requirements of this specification.
1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. The inch-pound units shall apply unless the “M” designation of this specification is specified in the order.
TABLE 1 Chemical Composition Limits, %A, for Low Alloy SteelA Maximum, unless range or minimum is indicated. Where ellipses (…) appear in this table, there is no requirement, and analysis for the element need not be determined or reported.

B It is permissible to order T2 and T12 with a sulfur content of 0.045 max. See 16.3.

C Alternatively, in lieu of this ratio minimum, the material shall have a minimum hardness of 275 HV in the hardened condition, defined as after austenitizing and cooling to room temperature but prior to tempering. Hardness testing shall be performed at mid-thickness of the product. Hardness test frequency shall be two samples of product per heat treatment lot and the hardness testing results shall be reported on the material test report.

Other ASTM Standards
A262 Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels;
A941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys;
A1016/A1016M Specification for General Requirements for Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless Steel Tubes;
E112 Test Methods for Determining Average Grain Size.












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