ASTM A213 2022 Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes

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ASTM A213/A213M-22a 

Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes

Abstract

This specification covers seamless ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes. 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. The tubes shall be made by the seamless process and shall be either hot finished or cold finished, 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. Tension test, hardness test, flattening test, and flaring test shall be done to each tube. Also, each tube shall be subjected to the nondestructive electric test or hydrostatic test.

Scope

1.1 This specification2 covers seamless ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes, designated Grades T5, 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.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

 Chemical Composition Of ASTM A213 Stainless Steel Tubes

Steel GradesASTM A213 Chemical Composition % Max
CMnPSSiCrNiMoNBNbTi
TP3040.082.000.0450.0300.7518.0-20.08.0-11.0
TP304H0.04-0.102.000.0400.0300.7518.0-20.08.0-11.0
TP304L0.0352.000.0400.0300.7518.0-20.08.0-13.0
TP310S0.082.000.0450.0300.7524.0-26.019.0-22.00.75
TP310HCbN0.04-0.102.000.0300.0300.7524.0-26.017.0-23.00.15-0.350.20-0.60
TP3160.082.000.0400.0300.7516.0-18.011.0-14.02.00-3.00
TP316L0.0352.000.0400.0301.0016.0-18.010.0-15.02.00-3.00
TP316H0.04-0.102.000.0400.0300.7516.0-18.011.0-14.02.00-3.00
TP3210.082.000.0400.0300.7517.0-20.09.0-13.05C-0.60
TP321H0.04-0.102.000.0400.0300.7517.0-20.09.0-13.04C-0.60
TP3470.082.000.0400.0300.7517.0-19.09.0-13.010xC-1.00
TP347H0.04-0.102.000.0400.0300.7517.0-20.09.0-13.08xC-1.00

 

 Mechanical Properties Of ASTM A213 Stainless Steel Tubes

Steel GradesHeat TreatmentTemperure F (C) Min.ASTM grain size NO.Tensile Strength Ksi (MPa), Min.Yield Strength Ksi (MPa), Min.Elongation %, MinHardness
BrinellRockwell
TP304Solution1900 (1040)75(515)30(205)35192HBW/200HV90HRB
TP304LSolution1900 (1040)70(485)25(170)35192HBW/200HV90HRB
TP304HSolution1900 (1040)775(515)30(205)35192HBW/200HV90HRB
TP310SSolution1900 (1040)75(515)30(205)35192HBW/200HV90HRB
TP310HCbNSolution2000 (1110)795(655)43(295)30256HBW100HRB
TP316Solution1900 (1040)75(515)30(205)35192HBW/200HV90HRB
TP316LSolution1900 (1040)70(485)25(170)35192HBW/200HV90HRB
TP316HSolution1900 (1040)775(515)30(205)35192HBW/200HV90HRB
TP321Solution1900 (1040)775(515)30(205)35192HBW/200HV90HRB
TP321HSolution2000(1100)775(515)30(205)35192HBW/200HV90HRB
TP347Solution1900(1040)75(515)30(205)35192HBW/200HV90HRB
TP347HSolution2000(1100)775(515)30(205)35192HBW/200HV90HRB

 ASTM A213 Stainless Steel Tubes Outside Diameter and Wall Thickness Tolerance

OD, mmOD Tolerance
< 25.4+/- 0.10
25.4 – <= 38.1+/- 0.15
> 38.1 -< 50.8+/- 0.20
50.8 -< 63.5+/- 0.25
63.5 -< 76.2+/- 0.30
76.2 – <= 101.6+/- 0.38
> 101.6 – <= 190.5+0.38/-0.64
> 190.5 – <= 228.6+0.38/-1.14

 

OD, mmWT Tolerance
<= 38.1+20%/-0
> 38.1+22%/-0

 

 

 

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