Umbhobho wombhobho we-Wotld wenziwe ukuba ube yi-Wels kwi-sels
ukuphela (s) ukudibanisa umbhobho (s) kunye kwaye uvumele ukutshintsha kwendlela / isebe okanye isebe lombhobho okanye ukuphela. Bangama-elbows yentsimbi, i-tee yentsimbi, umnqamlezo, iziphelo ze-stub, ukunciphisa i-ect ect. Izixhobo zinokuba yintsimbi ye-carbon i-A234, i-ASTM A420, i-Aloo0 Altm Astm A460, i-Allloy, i-Intlloy ye-ALTEM ALTMONOG Huitong Izixhobo