Guarantee the delievary time High quality Passed all kinds of test C ≤ Si ≤ Mn P ≤ S ≤ Nb Ti V Q345(16Mn) 0.20% 0.55% 1.00%-1.60 0.045% 0.045% 0.015%-0.060% 0.02%-0.20% 0.02%-0.15% 0.20% 0.55% 1.00%-1.60 0.045% 0.045% 0.015%-0.060% 0.02%-0.20% 0.02%-0.15%
