ASTM A335 P12 steel pipe is the part of ASTM A335, The pipe shall be suitable for bending, flanging, and similar forming operations, and for fusion welding.
The steel material shall conform to chemical composition, tensile property, and hardness requirements.
Chemical Requirements of ASTM A335 P12 steel pipe
| UNS Designa-tion | K11562 |
| Carbon | 0.05–0.15 |
| Manganese | 0.30–0.61 |
| Phosphorus(max) | 0.025 |
| Sulfur(max) | 0.025 |
| Silicon | 0.50 max |
| Chromium | 0.80–1.25 |
| Molybdenum | 0.44–0.65 |
| Others | . . . |
A335 P12 steel pipe Heat Treatment ：A / N+TN+T / Q+TN+T
A335 P12 steel pipe Mechanical Tests Specified of ASTM A335 P12
