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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