Standard
Standard
GB6479-2000 (special fertilizer pipe for high pressure fertilizer
equipment). Mainly used in chemical fertilizer equipment to transport
high temperature and high pressure fluid pipeline. The representative
materials are 20#, 16Mn, 15CrMo, 12Cr2Mo and so on.
GB6479-2000 is a high quality carbon structural steel and alloy steel seamless pipe suitable for chemical equipment and pipes with working temperature of -40~400 and working pressure of 10~30Ma.
Applicable Scope
Chemical Composition
| Brand | Chemical composition (mass fraction) (%) | ||||||
| C | Si | Mn | S | P | Cr | MO | |
| 12CrMo | 0.08～0.15 | Si ≤0.50 | 0.40～0.70 | ≤0.030 | ≤0.030 | 2.00~2.50 | 0.90~1.20 |
Mechanical Property
| Standard | Longitudinal mechanical properties | Delivery Htatus | |||||
| GB6479-2000 | No. | Tensile Strength(MPa) | Yield Strength(MPa) | Elongation Rate(%) | To Attack(J) | Brinell Hardness | |
| Not less than | Not greater than | Hot rolling state | |||||
| 12CrMO | 410-600 | 280 | 21 | 55 | 156 | Temperin | |
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