Tuubbada birta ah
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ASTM A335 P91 Nooca 2 tuubooyinka / P5 / P9 / P11 / P12 / P22
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A213 T22 TEMACE FARSAMADA STEES / TIPS
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Tuubbada birta ee steet ee loo yaqaan 'pipe'
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Saliida saliida si wanaagsan oo bir bir ah 5ct lc0 btc r3
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API 5ct N80 R3 Classing Stage Typ Shintada si wanaagsan
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ASTM a106 gr.b setless free pipe birta biyo ah
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Api 5l steel steel steel ah oo loogu talagalay gaaska saliida
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Api 5l astm a106 a333 ama a335 tuubbooyin bir ah oo bir ah
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API 5c, J55, K55, L80, N80 birta birta ah & tubbada