... MT.Equivalence:GB/T700, ...Q195,Q235,Q345, ...JIS G3101 -- SS330,SS400,SS490,SS540 ...JIS G3131 – SPHC, ...JIS G311 – SAPH 310,SAPH370 ... , ...DIN 1623-2 Gr. St37-2, ...EN 10025 Gr. S185, S235JR, S235JO, S235J2, E355, S355JR, S355JO, S355JZ, S355KZ,S355NL, ...zinc plating steel ...