Seamless steel raj rau kev tsim cov kav dej, yeeb nkab fittings, equipments thiab mechanical structures
Seamless steel raj rau cov qauv
GB / T 8162-2008 10 # steel, 20 # steel, 35 # steel, 45 # steel, Q345, Q460, thiab lwm yam
Seamless carbon steel thiab alloy steel mechanical tube
ASTM A519-2006 1018, 1026, 8620, thiab lwm yam
Kub dov tsis-alloy structural steel thiab nplua-grained structural steel rau hollow seem
BS EN 10210-1-2006 S235GRH, S275JOH, S275J2H, thiab lwm yam
Seamless, welded thiab kub-dip galvanized steel hlab
ASTM A53 / A53M-2012 GR. A, GR.B
