Spiral steel pipe itself has no life limit, and the service life is mainly related to the operating environment and production process. Spiral steel pipe operating environment is relatively poor In order to extend the service life, the oute.
precision steel pipe
1)We manufacture precision steel pipe
2)Standard :DIN 2391
3)Size OD:13.7-406mm WT:1.65-80mm
precision steel pipe
3)Size OD:13.7-406mm WT:1.65-80mm
precision steel pipe
DIN 2391
OD:13.7-406mm
WT:1.65-80mm
/Grade and Chemical Composition ()
|
Grade |
C≤ |
Mn |
P≤ |
S≤ |
Si≥ |
Cr≤ |
Cu≤ |
Mo≤ |
Ni≤ |
V≤ |
|
A |
0.25 |
0.27-0.93 |
0.035 |
0.035 |
0.10 |
0.40 |
0.40 |
0.15 |
0.40 |
0.08 |
|
B |
0.30 |
0.29-1.06 |
0.035 |
0.035 |
0.10 |
0.40 |
0.40 |
0.15 |
0.40 |
0.08 |
|
C |
0.35 |
0.29-1.06 |
0.035 |
0.035 |
0.10 |
0.40 |
0.40 |
0.15 |
0.40 |
0.08 |
/Mechanical Properties
|
|
|
|
A |
|
|
A |
≥330 |
≥205 |
20 |
Annealed |
|
B |
≥415 |
≥240 |
20 |
Annealed |
|
C |
≥485 |
≥275 |
20 |
Annealed |
precision steel pipe
3 Comments
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