SSAW Pipe kila
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Paipu kila hoʻoheheʻe ʻia ʻo Spiral Submerged Arc-Welding Steel Pipe (SSAW pipe), Hot-Rolled Coiled Welded Steel Pipe
SAW(SAWL,SAWH): Welded Spiral,SSAW: Spiral Submerged-arc Welded API 5L, ASTM A53, ASTM A252, EN10219, EN 10217
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