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| Place of Origin | CHANGZHOU, CHINA |
| Brand Name | Joyruns |
| Certification | ISO9000 |
| Model Number | 1/2” to 16” |
Cold drawing seamless alloy Boiler Heat Exchanger ASTM A335
It is used for boiler and boiler flue tubes. Including safe end, vault and supporting tube and superheater min wall thickness seamless medium-carbon steel tube
Specifications:
Chemical Composition(%):
|
Grade |
UNS Designation |
Composition, % |
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Carbon |
Manganese |
Phosphorus, |
Sulfur |
Silicon |
Chromium |
Molybdenum |
Others |
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max |
max |
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P1 |
K11522 |
0.10–0.20 |
0.30–0.80 |
0.025 |
0.025 |
0.10–0.50 |
--- |
0.44–0.65 |
--- |
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P2 |
K11547 |
0.10–0.20 |
0.30–0.61 |
0.025 |
0.025 |
0.10–0.30 |
0.50–0.81 |
0.44–0.65 |
--- |
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P5 |
K41545 |
0.15 max |
0.30–0.60 |
0.025 |
0.025 |
0.50 max |
4.00–6.00 |
0.45–0.65 |
--- |
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P9 |
S50400 |
0.15 max |
0.30–0.60 |
0.025 |
0.025 |
0.25–1.00 |
8.00–10.00 |
0.90–1.10 |
--- |
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P11 |
K11597 |
0.05–0.15 |
0.30–0.60 |
0.025 |
0.025 |
0.50–1.00 |
1.00–1.50 |
0.44–0.65 |
--- |
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P12 |
K11562 |
0.05–0.15 |
0.30–0.61 |
0.025 |
0.025 |
0.50 max |
0.80–1.25 |
0.44–0.65 |
--- |
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P22 |
K21590 |
0.05–0.15 |
0.30–0.60 |
0.025 |
0.025 |
0.50 max |
1.90–2.60 |
0.87–1.13 |
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Mechanical Properties:
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Grade P11, P22, P5, P9 |
Grade P91 |
Grade P92 |
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Tensile strength, min, (MPa) |
415 |
585 |
620 |
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Yield strength, min, (MPa) |
205 |
415 |
440 |
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Elongation, min, (%), L/T |
30/20 |
20/… |
20/… |
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A / N+T |
N+T / Q+T |
N+T |
Applications:
heat exchangers tubes
Steam tubes
Condensers tubes
similar heat transfer apparatus tubes
seamless Heat Exchanger Tubes
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