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Mechanical Properties and Chemical
Compositions of Spiral Steel Pipe |
|
Spec. |
Steel Grade |
Yield strength min. (MPa) |
Tensile Strength min. (MPa) |
Elongation (%) |
C (%) max. |
Si (%) max. |
Mn (%) max. |
P (%) max. |
S (%) max. |
Nb (%) min. |
V (%) min. |
Ti (%) min. |
API 5L |
X52 |
358 |
455 |
* |
0.30 |
- |
1.35 |
0.04 |
0.05 |
- |
- |
- |
API 5L |
X60 |
413 |
517 |
* |
0.26 |
- |
1.35 |
0.04 |
0.05 |
0.005 |
0.02 |
0.03 |
JIS G3101 |
SS400 |
245 |
402 |
17 |
- |
- |
- |
0.050 |
0.050 |
- |
- |
- |
JIS G3106 |
SM400B |
245 |
402 |
18 |
0.20 |
0.35 |
1.20 |
0.040 |
0.040 |
- |
- |
- |
* e=1942.57 (A 0.2 / ð0.9b)
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