Alloy High Pressure Seamless Steel ASTM A213 Grade T11 T12 Tubing / Pipe
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ASTM A213(ASME SA213) |
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Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel oiler, Superheater,and Heat-Exchanger Tubes |
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Application: |
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Size(mm): |
O.D.: 6.0~76.0 W.T.: 1~10 L: max 12000 |
Grade and Chemical Composition (%)
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Grade |
C |
Mn |
P≤ |
S≤ |
Si |
Cr |
Mo |
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T11 |
0.05-0.15 |
0.30-0.60 |
0.025 |
0.025 |
0.50-1.00 |
0.50-1.00 |
1.00-1.50 |
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T12 |
0.05-0.15 |
0.30-0.61 |
0.025 |
0.025 |
≤0.50 |
0.80-1.25 |
0.44-0.65 |
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T13 |
0.05-0.15 |
0.30-0.60 |
0.025 |
0.025 |
≤0.50 |
1.90-2.60 |
0.87-1.13 |
Mechanical Properties(MPa):
|
Grade |
Tensile Point |
Yield Point |
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T11 |
≥415 |
≥205 |
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T12 |
≥415 |
≥220 |
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T13 |
≥415 |
≥205 |
ASTM A213/ASME SA213 , T11, T12 Tubing / Pipe Tolerance
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Outside Diameter |
OD Tolerance |
WT Tolerance |
Ovality Tolerance |
Cut Length Tolerance |
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OD≤ 12, 7 mm |
± 0, 13 mm |
± 15 % |
– |
+ 3, 18 mm, – 0 mm |
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12, 7 mm < OD ≤ 38, 1 mm |
± 0, 13 mm |
± 10 % |
max, 1, 65 mm |
+ 3, 18 mm, – 0 mm |
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38, 1 mm < OD ≤ 88, 9 mm |
± 0, 25 mm |
± 10 % |
max, 2, 41 mm |
+ 4, 76 mm, – 0 mm |
