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| NF A49-142-87 STEEL TUBES LONGITUDINALLY PRESSURE WELDED PLAIN ENDED AND HOT FINISHED TUBES |
| Tiancheng Group_Steel-Tube.com 2008-05-05 13:08:54 Author:Sun June Source: Font size:[Large][Middle][Small] |
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NF A49-142-87 STEEL TUBES LONGITUDINALLY PRESSURE WELDED PLAIN ENDED AND HOT FINISHED TUBES
(NF A 49-142-87 / NFA49-142-87) |
1. Chemical composition
|
Grade |
Mfg. Process |
Chemical composition(%) |
|
C |
Si |
Mn |
P |
S |
Ni |
Cr |
Mo |
Others |
|
TES185A |
B, E |
0.16Max |
0.30Max |
0.55Max |
0.040Max |
0.035Max |
- |
- |
- |
- |
|
TSE235A |
B, E |
0.15Max |
0.30Max |
0.70Max |
0.040Max |
0.035Max |
- |
- |
- |
- |
|
TSE250A |
B, E |
0.18Max |
0.30Max |
0.95Max |
0.040Max |
0.035Max |
- |
- |
- |
- |
|
TSE275A |
B, E |
0.20Max |
0.30Max |
1.20Max |
0.040Max |
0.035Max |
- |
- |
- |
- |
2. Mechanical Properties
|
Grade
|
Tensile Test MPa or N/mm2 |
Remaks
(Similar to JIS) |
Possibility Temperature |
|
Min Yield point |
Tensile Strength |
|
TES185A |
185 |
330~410 |
- |
|
|
TSE235A |
235 |
360~450 |
(STPG370) |
|
|
TSE250A |
250 |
410~510 |
(STPG410) |
|
|
TSE275A |
275 |
470~570 |
- | |
| |
