Seamless steel tubes para sa paggawa ng mga pipeline, pipe fitting, kagamitan at mekanikal na istruktura
Seamless steel tube para sa istraktura
GB/T 8162-2008 10# steel, 20# steel, 35# steel, 45# steel, Q345, Q460, atbp
Seamless carbon steel at alloy steel mechanical tube
ASTM A519-2006 1018, 1026, 8620, atbp
Hot-rolled non-alloy structural steel at fine-grained structural steel para sa hollow section
BS EN 10210-1-2006 S235GRH, S275JOH, S275J2H, atbp
Seamless, welded at hot-dip galvanized steel tubes
ASTM A53/A53M-2012 GR. A, GR.B
