ʻO nā paipu kila humuhumu no ka hana ʻana i nā pipelines, nā mea hoʻopili paipu, nā lako a me nā ʻano hana mechanical
Paipu kila humuhumu no ka hoʻonohonoho ʻana
GB/T 8162-2008 10# kila, 20# kila, 35# kila, 45# kila, Q345, Q460, a pēlā aku
ʻO ke kila kalapona kila a me ka paipu mīkini kila metala
ASTM A519-2006 1018, 1026, 8620, a pēlā aku
ʻO ke kila kūkulu ʻole-alloy i ʻōwili wela ʻia a me ke kila kūkulu maikaʻi no ka ʻāpana hakahaka
BS EN 10210-1-2006 S235GRH, S275JOH, S275J2H, etc.
Nā paipu kila galvanized wili ʻole, welded a me ka hoʻoluʻu wela
ASTM A53/A53M-2012 GR. A, GR.B
