Pipa baja lancar
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ASTM A335 P91 Tipe 2 Tabung / P5 / P9 / P11 / P12 / P22
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A213 T22 tabung baja / pipa belang wesi lancar
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Pipa baja slot kanggo wacana cairan kontrol
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Pipa baja kanthi apik lenga pipa api 5ct l80 btc r3
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Pipa baja baja 5 api 5ct n80 r3 kanggo lenga kanthi becik
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Astm A106 Pipa baja lanbless kanggo banyu
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Pipa baja lancar Api kanggo gas minyak
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API 5L ASTM A106 A333 utawa pipa baja karbon lancar A335
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API 5CT, J55, K55, L80, N80 Baja Casing & Tubing N80