I-ASTM A234 yinkqubo esemgangathweni yemibhobho ye-pube ye-carbon secbon steel kunye nentsimbi ye-ofisi yendlela yobushushu nenobushushu obuphezulu. I-carbon ye-carbon yentsimbi eyenziwe kwi-A234 ihlala inikezelwa kwifom ye-Butet-Welting ngokungqinelana ne-ASME B16.9 okanye i-ASME B16.49. Kukho amanqaku amabini e-carbon amabakala: i-WPB kunye ne-WPC, apho i-ATTM A234 WPB ihlala isetyenziswa kumzi-mveliso wepayipi. I-A234 WPB ye-A234 WPB ye-WOTB-WOIL ye-Welbows ibandakanya izithombe, ukugoba, ibuyise, i-tees, i-CAPS, i-rock, i-niples kunye nokuhlangana.
Kukho i-pied a234 ye-WP9 ye-WP9, i-A234 ye-A234 WP9 ye-A234 WP9 yenziwa evela kwimibhobho yentsimbi engenamthungo i-A335 P9, i-WP9 ye-WP9 ye-A234 WP9 ye-pued. Iimveliso zethu zingqinisiswe nge-100%.