Seamless steel pipe
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ASTM A335 P91 Type 2 Tubes / P5 / P9 / P11 / P12 / P22
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A213 T22 Seamless Alloy Steel Tubes / Pipa
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Slotted steel pipe para sa kinokontrol na daanan ng likido
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Langis na rin 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 langis ng gas
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API 5L ASTM A106 A333 o A335 Seamless Carbon Steel Pipes
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API 5ct, J55, K55, L80, N80 Steel Casing & Tubing