Welded Steel Pipe
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Welded ERW carbon steel pipe, Electric Resistance Welded (ERW) pipe, High-Frequency Welding(HFW) pipe
Welded ERW carbon steel pipe, Electric Resistance Welded (ERW) pipe, High-Frequency Welding(HFW) pipe;
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Welded LSAW carbon steel pipe,LSAW steel pipe (Straight seam welded pipe)
LSAW (Longitudinal Submerge-arc Welded) UO(UOE),RB(RBE),JCO(JCOE),DSAW (Double Submerged arc welded) API 5L, ASTM A53, ASTM A252, ASTM A671/672, EN 10217
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Spiral Submerged Arc-Welding steel Pipe (SSAW pipe), Hot-Rolled Coiled Welded Steel Pipe
SAW(SAWL,SAWH): Spiral Welded,SSAW: Spiral Submerged-arc Welded API 5L, ASTM A53, ASTM A252, EN10219, EN 10217
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