A213

A213/A213M – Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes

A213/A213M covers seamless ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes, designated Grades T5, TP304, etc.

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.

Product furnished to this specification shall conform to the requirements of Specification A1016/A1016M, including any supplementary requirements.

ASTM A213 testing requirement

  • mechanical properties: testion property, elogation
  • hardness; Brinell, Rockwell, Vickers hardness
  • flattening testing
  • flaring testing
  • hydrostatic or Nondestructive test
  • supplementary requirements:
  • stress-relieved annealing seanless tubes
  • Stabilizing Heat Treatment
  • Unstraightened Tubes<
  • Intergranular Corrosion Test

Permissible Variations

 OD, mm W.T.   mm L, mm
≤25.4 ±0.10 +20%, 0% OD<50.8,+3mm,  
25.4~38.1 ±0.15 OD>50, T>5.6, AVG wall +/-10%
38.1~50.8 ±0.2
50.8~63.5 ±0.25 OD>=50.8, +5mm
63.5~76.2 ±0.3 Also requied
76.2~101.6 ±0.38

Chemical Composition

TABLE 1 Chemical Composition Limits, %A, for Low Alloy Steel

GradeUNS DesignationComposition, %
CarbonManganesePhosphorusSulfurSiliconNickelChromiumMolybdenumVanadiumBoronNiobiumNitrogenAluminumTungstenOther Elements
T2K115470.10–0.200.30–0.610.025 0.025B0.10–0.300.50–0.810.44–0.65
T5K415450.150.30–0.600.0250.0250.504.00–6.000.45–0.65
T5bK515450.150.30–0.600.0250.0251.00–2.004.00–6.000.45–0.65
T5cK412450.120.30–0.600.0250.0250.504.00–6.000.45–0.65Ti 4xC–0.70
T9K909410.150.30–0.600.0250.0250.25–1.008.00–10.000.90–1.10
T11K115970.05–0.150.30–0.600.0250.0250.50–1.001.00–1.500.44–0.65
T12K115620.05–0.150.30–0.610.025 0.025B0.500.80–1.250.44–0.65
T17K120470.15–0.250.30–0.610.0250.0250.15–0.350.80–1.250.15
T21K315450.05–0.150.30–0.600.0250.0250.50–1.002.65–3.350.80–1.06
T22K215900.05–0.150.30–0.600.0250.0250.501.90–2.600.87–1.13
T23K407120.04–0.100.10–0.600.0300.0100.500.401.90–2.600.05–0.300.20–0.300.0010– 0.0060.02–0.080.0150.0301.45–1.75Ti 0.005–0.060 Ti/N 3.5C
T24K307360.05–0.100.30–0.700.0200.0100.15–0.452.20–2.600.90–1.100.20–0.300.0015– 0.0070.0120.02Ti 0.06–0.10
T36K210010.10–0.170.80–1.200.0300.0250.25–0.501.00–1.300.300.25–0.500.020.015–0.0450.020.050Cu 0.50–0.80
T91K909010.07–0.140.30–0.600.0200.0100.20–0.500.408.0–9.50.85–1.050.18–0.250.06–0.100.030– 0.0700.02Ti 0.01 Zr 0.01
T92K924600.07–0.130.30–0.600.0200.0100.500.408.5–9.50.30–0.600.15–0.250.001– 0.0060.04–0.090.030– 0.0700.021.5–2.00Ti 0.01 Zr 0.01
T122K912710.07–0.140.700.0200.0100.500.5010.0–11.50.25–0.600.15–0.300.0005– 0.0050.04–0.100.040– 0.1000.021.50–2.50Cu 0.30–1.70 Ti 0.01 Zr 0.01
T911K910610.09–0.130.30–0.600.0200.0100.10–0.500.408.5–9.50.90–1.100.18–0.250.0003– 0.0060.06–0.100.040– 0.0900.020.90–1.10Ti 0.01 Zr 0.01

TABLE 2 Chemical Composition Limits, %A, for Austenitic and Ferritic Stainless Steel

GradeUNS DesignationComposition
CarbonManganesePhosphorusSulfurSiliconChromiumNickelMolybdenumNitrogenNiobiumTitaniumOther Elements
TP201S201000.155.5–7.50.0600.0301.0016.0–18.03.5–5.50.25
TP202S202000.157.5–10.00.0600.0301.0017.0–19.04.0–6.0.025
XM-19S209100.064.0–6.00.0450.0301.0020.5–23.511.5–13.51.50–3.000.20–0.400.10–0.30V 0.10–0.30
CS215000.06–0.155.5–7.00.0450.0300.20–1.0014.0–16.09.0–11.00.80–1.200.75–1.25B 0.003– 0.009, V 0.15–0.40
CS257000.022.000.0250.0106.5–8.08.0–11.522.0–25.00.50
TP304S304000.082.000.0450.0301.0018.0–20.08.0–11.0
TP304LS304030.035D2.000.0450.0301.0018.0–20.08.0–12.0
TP304HS304090.04–0.102.000.0450.0301.0018.0–20.08.0–11.0
CS304320.07–0.131.000.0400.0100.3017.0–19.07.5–10.50.05–0.120.30–0.60Al 0.003– 0.030, B 0.001– 0.010, Cu 2.5–3.5
CS304340.07–0.142.000.0400.0101.0017.5–19.59.0–12.00.10–0.40E0.10–0.25EB 0.001– 0.004 Cu 2.50– 3.50
TP304NS304510.082.000.0450.0301.0018.0–20.08.0–11.00.10–0.16
TP304LNS304530.035D2.000.0450.0301.0018.0–20.08.0–11.00.10–0.16
CS306150.016–0.242.000.0300.0303.2–4.017.0–19.513.5–16.0Al 0.8–1.5
CS308150.05–0.100.800.0400.0301.40–2.0020.0–22.010.0–12.00.14–0.20Ce 0.03–0.08
TP309SS309080.082.000.0450.0301.0022.0–24.012.0–15.0
TP309HS309090.04–0.102.000.0450.0301.0022.0–24.012.0–15.0
TP309LMoNS309250.0252.000.0400.0300.7023.0–26.013.0–16.00.5–1.20.25–0.40
TP309CbS309400.082.000.0450.0301.0022.0–24.012.0–16.010xC–1.10
TP309HCbS309410.04–0.102.000.0450.0301.0022.0–24.012.0–16.010xC-1.10
S309420.03–0.102.000.0400.0301.0021.0–23.014.5–16.50.10–0.200.50–0.80B=0.001–0.005
CS310020.022.000.0200.0150.1524.0–26.019.0–22.00.100.10
TP310SS310080.082.000.0450.0301.0024.0–26.019.0–22.0
TP310HS310090.04–0.102.000.0450.0301.0024.0–26.019.0–22.0
TP310MoCbNS310250.101.500.0300.0301.0019.5–23.023.0–26.01.0–2.00.10–0.250.10–0.400.20B 0.002– 0.010
S310350.04–0.100.600.0300.0150.4021.5–23.523.5–26.50.15–0.300.30–0.60W 2.0–4.0 Co 1.0–2.0 Cu 2.0–3.5 B 0.002– 0.008
TP310CbS310400.082.000.0450.0301.0024.0–26.019.0–22.010xC-1.10
TP310HCbS310410.04–0.102.000.0450.0301.0024.0–26.019.0–22.010xC-1.10
TP310HCbNS310420.04–0.102.000.0450.0301.0024.0–26.019.0–22.00.15–0.350.20–0.60
TP310MoLNS310500.0252.000.0200.0300.4024.0–26.021.0–23.02.00–3.000.10–0.16
CS310600.05–0.101.000.0400.0300.5022.0–24.010.0–12.50.18–0.25Ce + La 0.025–0.070 B 0.001–0.010
CS312540.0201.000.0300.0100.8019.5–20.517.5–18.56.0–6.50.18–0.22Cu 0.50–1.00
CS312720.08–0.121.50–2.000.0300.0150.30–0.7014.0–16.014.0–16.01.00–1.400.30–0.60B 0.004– 0.008
CS312770.0203.000.0300.0100.5020.5–23.026.0–28.06.5–8.00.30–0.40Cu 0.50–1.50
TP316S316000.082.000.0450.0301.0016.0–18.010.0–14.02.00–3.00
TP316LS316030.035D2.000.0450.0301.0016.0–18.010.0–14.02.00–3.00
TP316HS316090.04–0.102.000.0450.0301.0016.0–18.011.0–14.02.00–3.00
TP316TiS316350.082.000.0450.0300.7516.0–18.010.0–14.02.00–3.000.105X (C + N)– 0.70
TP316NS316510.082.000.0450.0301.0016.0–18.010.0–13.02.00–3.000.10–0.16
TP316LNS316530.035D2.000.0450.0301.0016.0–18.010.0–13.02.00–3.000.10–0.16
TP317S317000.082.000.0450.0301.0018.0–20.011.0–15.03.0–4.0
TP317LS317030.0352.000.0450.0301.0018.0–20.011.0–15.03.0–4.0
TP317LMS317250.032.000.0450.0301.0018.0–20.013.5–17.54.0–5.00.20Cu 0.75
TP317LMNS317260.032.000.0450.0301.0017.0–20.013.5–17.54.0–5.00.10–0.20Cu 0.75
CS320500.0301.500.0350.0201.0022.0–24.020.0–23.06.0–6.80.21–0.32Cu 0.40
TP321S321000.082.000.0450.0301.0017.0–19.09.0–12.05(C + N)– 0.70
TP321HS321090.04–0.102.000.0450.0301.0017.0–19.09.0–12.04(C + N)– 0.70
CS326150.072.000.0450.0304.8–6.016.5–19.519.0–22.00.30–1.50Cu 1.50– 2.50
CS332280.04–0.081.000.0200.0150.3026.0–28.031.0–33.00.60–1.00Ce 0.05– 0.10, Al 0.025
CS345650.0305.0–7.00.0300.0101.0023.0–25.016.0–18.04.0–5.00.40–0.600.10
TP347S347000.082.000.0450.0301.0017.0–20.09.0–13.010xC–1.10
TP347WS347050.052.000.0400.0301.0017.0–20.08.00–11.00.10–0.250.25–0.50V 0.20–0.50 W 1.50–2.60
TP347HS347090.04–0.102.000.0450.0301.0017.0–19.09.0–13.08xC–1.10
TP347HFGS347100.06–0.102.000.0450.0301.0017.0–19.09.0–13.08xC–1.10
TP347LNS347510.005–0.0202.000.0450.0301.0017.0–19.09.0–13.00.06–0.100.20–0.50F
TP348S348000.082.000.0450.0301.0017.0–19.09.0–13.0GCo 0.20, Ta 0.10
TP348HS348090.04–0.102.000.0450.0301.0017.0–19.09.0–13.0HCo 0.20, Ta 0.10
S350450.06–0.101.500.0450.0151.0025.0–29.032.0–37.00.15–0.60Al 0.15–0.60 Cu 0.75
XM-15S381000.082.000.0300.0301.50–2.5017.0–19.017.5–18.5
S388150.0302.000.0400.0205.5–6.513.0–15.015.0–17.00.75–1.50Cu 0.75–1.50 Al 0.30
Alloy 20N080200.0702.000.0450.0351.0019.0-21.032.0-38.02.00-3.00MCu 3.00-4.00
CN083670.0302.000.0400.0301.0020.0-22.023.5-25.56.00-7.000.18-0.25Cu 0.75
800N088000.101.500.0450.0151.0019.0–23.030.0–35.0Cu 0.75 Al 0.15–0.60 Ti 0.15–0.60 FeI 39.5 min
800HN088100.05–0.101.500.0450.0151.0019.0–23.030.0–35.0Cu 0.75 Al 0.15–0.60 Ti 0.15–0.60 FeI 39.5 min
N088110.06–0.101.500.0450.0151.0019.0–23.030.0–35.0Cu 0.75 Al 0.15–0.60J Ti 0.15–0.60J FeI 39.5 min
N089040.0202.000.0400.0301.0019.0–23.023.0–28.04.0–5.00.10Cu 1.00–2.00
N089250.0201.000.0450.0300.5019.0–21.024.0–26.06.0–7.00.10–0.20Cu 0.80–1.50
N089260.0202.000.0300.0100.5019.0–21.024.0–26.06.0–7.00.15–0.25Cu 0.50–1.50
TP444S444000.031.000.0400.0301.0017.5–19.5K1.75–2.500.035L
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