Dhuumaha birta ah ee aan cillad lahayn
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JIS G3454 STPG 370 Tuubooyinka Birta Kaarboon ee Adeegga Cadaadiska - Kooxda Birta Dumarka
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ASTM A335 P91 Nooca 2 tuubooyinka / P5 / P9 / P11 / P12 / P22
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SA213 T22 Tuubooyinka Alloy Steel Tubooyinka / Tubooyinka
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Dhuumaha birta ah ee Daloosan ee marinka dareeraha ee la xakameeyey
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Saliida Ceelka Daboosha Birta Birta API 5CT L80 BTC R3
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API 5CT N80 R3 Dhuumaha Birta Casing ee Ceelka Saliidda
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ASTM A106 GR.B birta birta ah ee aan sinnayn ee biyaha
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API 5L Dhuumaha Biraha ee aan Xumaan lahayn ee Gaaska Saliidda
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API 5L ASTM A106 A333 ama A335 Tuubbooyinka Birta Kaarboonka ah