Standard | ANSI, JIS, DIN, BS, UNI, EN, GOST, Etc. |
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Origin | China |
Surface | Rust-proof Oil, Black Paint, Yellow Paint, Hot Galvanized, Cold Galvanized, Etc. |
Application | Petroleum, Chemical, Power, Gas, Metallurgy, Shipbuilding, Construction, Etc. |
Connection | Welding, Threaded, Slip-on, Lap Joint |