Seamless Steel Pipe
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JIS G3454 STPG 370 Carbon Steel Pipes Para sa Serbisyo ng Presyon – Womic Steel Group
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ASTM A335 P91 Type 2 tubes / P5 / P9 / P11 / P12 / P22
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SA213 T22 Seamless Alloy Steel Tube / Pipe
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Slotted Steel Pipe para sa Controlled Fluid Passage
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Oil Well Casing Steel Pipe API 5CT L80 BTC R3
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API 5CT N80 R3 Casing Steel Pipe para sa Oil Well
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ASTM A106 GR.B Seamless Steel Pipe para sa tubig
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API 5L Seamless Steel Pipeline para sa oil gas
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API 5L ASTM A106 A333 o A335 Seamless Carbon Steel Pipe