Wararka
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ASTM A53
ASTM A53 Standard waa heerka ugu caansan ee tuubooyinka birta kaarboon, dhib ma leh tuubooyinka kaarboonka iyo tuubooyinka ama tuubooyinka welded alxanka leh, tuubooyinka qaawan iyo tuubooyinka dahaarka leh ee zincGalv-madow iyo kul-kulul...Akhri wax dheeraad ah -
API 5L/ASTM A53 GR.B, SSAW Dhuumaha Birta Kaarboon
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API 5L GR.B/ASTM A53 GR.B, LSAW Dhuumaha Birta Kaarboon
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API 5L/ASTM A53 GR.B, ERW Dhuumaha Birta Kaarboon
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API 5L/ASTM A106 GR.B, Dhuumaha Birta Kaarboonka ee aan Xumaan lahayn
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Foornada kulaylka ee dhuumaha saliidda
Iyada oo ay adag tahay in la kordhiyo wax soo saarka saliidda, qoto dheer qoto dheer heerka xoojinta qoto dheer ee tuubooyinka ceelka saliidda ayaa noqday mid sii kordheysa u baahan, J55 birta heerka saliid dahaarka ayaa sii kordheysa awoodin in ay buuxiyaan shuruudaha, N80 heerka darajada birta noqday caadiga ah, P110, Q125 iyo heerka kale ee birta. isticmaal...Akhri wax dheeraad ah