Cov kav hlau tsis muaj seamless rau kev tsim cov kav dej, cov khoom siv yeeb nkab, cov khoom siv thiab cov qauv kho tshuab
Seamless hlau raj rau kev tsim kho
GB/T 8162-2008 10 # hlau, 20 # hlau, 35 # hlau, 45 # hlau, Q345, Q460, thiab lwm yam
Seamless carbon hlau thiab alloy hlau mechanical tube
ASTM A519-2006 1018, 1026, 8620, thiab lwm yam
Cov hlau tsis yog hlau kub dov thiab cov hlau zoo rau qhov seem hollow
BS EN 10210-1-2006 S235GRH, S275JOH, S275J2H, thiab lwm yam
Cov kav hlau tsis muaj qhov sib txuas, welded thiab kub-dip galvanized
ASTM A53/A53M-2012 GR. A, GR.B
