Main steel grade

Carries out the standard

A709(Gr36,50,50W,70W,100,100w)
Q345q,Q370q,Q420q(C,D,E)

16q,16Mnq,16MnCuq
15MnVq,15MnVNq
14MnNbq

GB/T 174
YB168 &
YB(T)10
SPECIAL- CONDITION
ASTM

Main use

Uses in manufacturing the riveted joint and the hitch welds the structure the highway bridge and the railroad bridge (including cross sea bridge).