ASTM A387 Grade 11 steel is characterised by good weldability. ASTM A387 Grade 11 steel is used for manufacturing boilers, pressure vessels and pipes for the transportation of hot liquids. ASTM A387 Grade 11 steel also offer good properties at high and low temperatures. ASTM A387 Grade 11 steel is always supplied in the normalised and tempered condition.
ASTM A387 Grade 11 equivalent steel grades:
| Country | USA | USA | European | UK (British Standard) |
| Standards | ASTM | ASME | EN 10028 | BS |
| Grade | A387 Grade 11 | SA387 Grade 11 | 13CrMoSi5-5 | 621B |
ASTM A387 Grade 11 steel plate technical requirements and additional services:
1) High tension test
2) Low temperature impact test
3) Normalised for A387 Grade 11 steel plate over 40mm thick
4) Simulated post-welded heat treatment (PWHT)
5) Rolling under standard NACE MR-0175 (HIC+SSC)
6) Issued Orginal Mill test certificate under EN10204 FORMAT 3.1/3.2
7) Shot blasting and Painting,Cutting and welding as per client’s demands
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