Alloy Steel Pipes
Heat Exchanger Tubes
SA213 T2
SA213 T5
SA213 T5b
SA213 T5c
SA213 T9
SA213 T11
SA213 T12
SA213 T22
SA213 T23
SA213 T91
SA213 T92
Standard ASTM A213
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ASTM A213/ASME SA213 Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
Standard: ASTM A213, ASME SA213
Equivalent Standards: EN 10216-2, ASTM A335, GOST 550-75, JIS G3462, JIS G3458
Material: T2, K11547
Equivalent Material: P2, 12ChM, 12XM, 12CrMo, STBA20, STPA20, 0.5Cr-0.5Mo
Chemistry Composition
C, %
Mn, %
P, %
S, %
Si, %
Cr, %
Mo, %
0.10-0.20
0.30-0.61
0.025 max
0.025 max
0.10-0.30
0.50-0.81
0.44-0.65
Mechanical Properties
Tensile Strength , MPa
Yield Strength, MPa
Elongation, %
Hardness, HB
415 min
205 min
30 min
163 max
Outside Diameter & Tolerance
Hot rolled
Outside Diameter, mm
Tolerance, mm
OD≤101.6
+0.4/-0.8
101.6<OD≤190.5
+0.4/-1.2
190.5<OD≤228.6
+0.4/-1.6
Cold Drawn
Outside Diameter, mm
Tolerance, mm
OD<25.4
±0.10
25.4≤OD≤38.1
±0.15
38.1<OD<50.8
±0.20
50.8≤OD<63.5
±0.25
63.5≤OD<76.2
±0.30
76.2≤OD≤101.6
±0.38
101.6<OD≤190.5
+0.38/-0.64
190.5<OD≤228.6
+0.38/-1.14
Wall thickness & Tolerance
Hot rolled
Outside Diameter, mm
Tolerance, %

OD≤101.6, WT≤2.4

+40/-0
OD≤101.6, 2.4<WT≤3.8
+35/-0
OD≤101.6, 3.8<WT≤4.6
+33/-0
OD≤101.6, WT>4.6
+28/-0
OD>101.6, 2.4<WT≤3.8
+35/-0
OD>101.6, 3.8<WT≤4.6
+33/-0
OD>101.6, WT>4.6
+28/-0
Cold Drawn
Outside Diameter, mm
Tolerance, %
OD≤38.1
+20/-0
OD>38.1
+22/-0
ASTM A213/A213M specification covers seamless ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes. The tubing sizes and thicknesses usually furnished to ASTM A213/A213M 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 ASTM A213/A213M specification.
Manufacture: tubes shall be made by the seamless process and shall be either hot finished or cold finished, as specified.
Heat Treatment: full or isothermal anneal, normalize and temper.
Inspection & Test: chemistry composition analysis, tensile test, hardeness test, flattening test, flaring test, NDT, surface inspection and dimension check.
Length: 5800mm; 6000mm; 6096mm; 7315mm; 11800mm; 12000mm; and so on.
Max developed length: 30 meters, also U bending, finning, studded process can be provided.
Option: shot blasting on the outside surface to remove mill scale, make the surface matte colour; surface polishing as preparation work done for further processing, for instance finning.
Keyword: High Pressure Steel Pipes, Boiler Steel Pipes, Heat Exchanger Steel Tubes, ASME SA213, SA213T2, ASTM A213 T2
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