API 5L pipe, ASTM A106B pipe,etc. high pressure boiler pipe OD: 20mm-377mm wall thick: 2mm-80mm low price and high quality
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steel pipe
API 5L pipe, ASTM A106B pipe
high pressure boiler pipe
OD: 20mm-377mm
wall thick: 2mm-80mm
Standard codes | Models of steel tubes | Chemical compositions | |||||||
C | SI | Mn | P | S | Cr | Mo | Cu | ||
ASME SA106 | SA106B | 0.17-0.25 | ≥0.1 | 0.7-1.00 | ≤0.030 | ≤0.030 |
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SA106C | 0.23-0.27 | ≥0.1 | 0.70-1.00 | ≤0.030 | ≤0.030 |
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ASME SA333 | SA333 | 0.09-0.12 |
| 0.7-1.00 | ≤0.030 | ≤0.030 |
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SA333 | 0.09-0.12 | ≥0.1 | 0.9-1.10 | ≤0.030 | ≤0.030 |
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ASME SA335 | SA335 P11 | 0.05-0.15 | 0.50-1.0 | 0.30-0.60 | ≤0.030 | ≤0.030 | 1.00-1.50 | 0.50-1.00 |
|
SA33512 | 0.05-0.15 | ≤0.50 | 0.30-0.60 | ≤0.030 | ≤0.030 | 0.80-1.25 | 0.44-0.65 | ||
SA335 P22 | 0.05-0.15 | ≤0.05 | 0.30-0.60 | ≤0.030 | ≤0.030 | 1.90-2.60 | 0.87-1.13 |
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SA335 P5 | ≤ | ≤0.05 | 0.30-0.60 | ≤0.030 | ≤0.030 | 4.00-6.00 | 0.45-0.65 |
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SA335 P91 | 0.08-0.12 | 0.20-0.50 | 0.30-0.60 | ≤0.020 | ≤0.020 | 8.00-9.50 | 0.85-1.05 |
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Note: Generally, low-mid pressure boiler pipe’ working pressure below 5.88Mpa and working temperature below 450°C. High pressure boiler pipe’s working pressure above 9.88Mpa and working temperature between 450°C to 650°C.
Steel Pipe
