O le le mautonu o le Steel Tubes mo Greate Pipenal, Pipa Fittits, Sinia ma masini masini
Le gaoia o le steel faagaau mo fausaga
GB / T 8162-2008 10 # Steel, 20 # Steel, 35 # Steel, 45 # Steel, Q34, Q460, Q460, Q460
Searchan carbon steel ma alloy sweel mechanical faagaau
ASTM A519-2006 1018, 1026, 8620, etc
Vevela-rotlen le-onyungina o le anlicract steel ma lelei-sailiga fausaga gaoi mo le vaega
BS en 10210-1-2006 S235GRH, S27J5J, S275JH, ma isi
Leai se aoga, o le tele ma vevela ma vevela
ASTM A53 / A53m-2012 gra. A, gr.b
