... 50#, 2. Q195-Q275,40Cr,20-42CrMo,20-30CrMnTi carbon structural steel high quality1.10#,20#,25#,30#,35#,40#,45#,50 ... inspection institution:CIQ,SGS,ITS,BV,etc)Delivery StateHot forged,Black&AnnealingHardnessHBS=137~269Characteristic Applicationwelding is well,Used for making normal ... we can supply our customers with high-quality and low-cost products. We can also provide steel products according to our ...