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API-2W-60 for offshore structure (-10℃)
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Required characteristics of offshore structure’s use |
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 Critical Part ( within 10% of total volume )
- Even a lo cal damage can be fatal to the entire structure
- Thick plates (60~100mm ) are applied for critical part |
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Base metal’s charateristics (T: 76mm)
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| - |
Strength(Mpa) |
Toughness(-40℃) |
CTOD
(-30℃,mm) |
| YS |
TS |
vE(J) |
| Spec. |
414≤ |
517≤ |
48≤ |
0.30≤ |
| Ave. |
459 |
569 |
356 |
1.99≤ |
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Welding HAZ’S characteristics (T: 76mm)
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| - |
CTOD(-10℃,mm) |
| Spec. |
0.7kJ/mm |
3.0kJ/mm |
4.5kJ/mm |
| CGHAZ |
0.30≤ |
1.71≤ |
0.80≤ |
1.48≤ |
| SCHAZ |
1.89≤ |
1.91≤ |
1.94≤ |
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Application : 2,000 ton of products are supplied to Shell and ExxonMobile’s project
in South-East Asia in 2009 |
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