Metal Materials Co., Ltd., Jinan Koa 1 general board spcc sphc dc-1 Q235, Q275, SS400, St37-2, SM400A, SA283GrA 2. Low alloy Q345B/C/D/E, SM490, S355J2 + N, S355K2G3, S355NL 3 Boiler container board Q245R, Q345R, Q370R, 15CrMoR, 09MnNiDR, 16MnDR, 12Cr2Mo1R 4. American standard container board SA515Gr60, SA516Gr70, SA387Gr11CL2, SA738Gr 5. weathering corrosion-resistant steel: Q450NQR, 09CuPCrNi-A, 10CrMnCu, 10CrMoAl, B480GNQR 6 - strength plate Q390, Q420, Q460, Q550, Q690, WH70, S690QL, Q890D / E, Q960D / E (Z15/25/35) 7. wear plate NM360, NM400, NM500, NR400, NR450, XAR400/500, B-HARD360/400/450, HARDOX400, HARDOX450, HARDOX500, JFE360, JFE400, JFE500 8. bridge plate Q345qC/D/E, Q370 qC / D / E, Q390qD Q390qE, Q420 qC / D / E 9. high construction steel Q345GJB / Q345GJC/Q345GJD/Q420GJC/Q420GJD/Q460GJD (Z15/25/35) 10. alloy steel 20CrMo, 35CrMo, 42CrMo, 40Cr, 20Mn2, 27SiMn, 65Mn 11. pipeline steel L245, X60, X65, X70, X80 12. P ship, tall ship A / B / D / E, AH32/AH36, DH32/DH36, EH32/EH36