1. carbon steel seamless pipes:
ASTM A53, ASTM A106, ASTM A179, ASTM A192, ASTM A213;
API 5L, API 5CT;DIN 2391, etc
Grade A, B,C; St32-St52; X42-X65; T11 & T22, etc
2. carbon steel seamless pipes:
ASTM A53, ASTM 500; API 5L, API 5CT; BS 1387, etc
Grade A, B,C; X42-X65; etc
Type: ERW, SSAW, LSAW
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