Ko te diameter o waho o te putorino tuitui wera-whakataka he nui ake i te 32mm, a ko te matotoru o te pakitara he 2.5-200mm. Ko te diameter o waho o te putorino maitai tuitui matao-hurihia ka tae ki te 6mm, ka tae ki te 0.25mm te matotoru o te pakitara. Ko te diameter o waho o te putorino angiangi-taiepa ka tae ki te 5mm me te matotoru o te pakitara he iti iho i te 0.25mm.

Ko te nuinga o te wa e whakamahia ana he paipa maitai tuitui he mea hanga ki te 10, 20, 30, 35, 45 me etahi atu waro herea maitai 16Mn, 5MnV me etahi atu maitai hanganga koranu iti ranei 40Cr, 30CrMnSi, 45Mn2, 40MnB me etahi atu rino herea matao wera hurihia ranei. rolled.10, 20 me etahi atu waro iti hanga maitai putorino tui te nuinga whakamahia mo te pipeline.45, 40Cr me etahi atu waro waro maitai hanga o te putorino tui ki te hanga wahi mīhini, pērā i waka, tarakihana fakamamafa'i parts.The whakamahi whānui o tui paipa maitai ki te whakarite i te kaha me te whakamaarama te whakamatautau.Hot rolled steel pipes are delivered in hot rolled or heat treated condition.Cold rolled delivery is heat – treated.