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» Application » ASTM A335 P11 Used for ASME B31.1 Power Piping
ASTM A335 P11 Used for ASME B31.1 Power Piping
September 28, 2020
Heavy wall seamless pipes made of ASTM A335 Gr. P11 for power piping.
ASME B31.1 is the Code for power piping, which is typically piping typically found in electric power generating stations, in industrial and institutional plants, geothermal heating systems, and central and district heating and cooling systems. It has designated ASTM A335 Gr. P11 seamless pipes as the listed material in Table A-2. The ASTM A335 P11 has the nominal chemical composition of “1.25Cr-0.5Mo-Si” and is widely used in power generation plants.
The Vinh Tan Thermal Power Plant in Vietnam. It is a coal-fired power generation plant, designed and constructed by China Southern Power Grid.
Maximum Allowable Stresses in Tension
| *Temp. | *M.A.S |
|---|---|
| 100 | 17.1 |
| 200 | 17.1 |
| 300 | 17.1 |
| 400 | 16.8 |
| 500 | 16.2 |
| 600 | 15.7 |
| 650 | 15.4 |
| 700 | 15.1 |
| 750 | 14.8 |
| 800 | 14.4 |
| 850 | 14.0 |
| 900 | 13.6 |
| 950 | 9.3 |
| 1000 | 6.3 |
| 1050 | 4.2 |
| 1100 | 2.8 |
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