Certification: API 5L PSL1, PSL2, API 5CT, ISO, CE, DIN, JIS Steel Pipe, Casing, Oil Pipe, Gas Pipe, line pipe1. OD: 21.3mm-920mm, WT: 2.5-20mm;2. Standard: API 5L PSL1, ASTM A53, ASTM A252;3. Material: X42-X80, A53 Gr. B, A252 Gr. 3;4. WT Schedule:...
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