Alloy steel 4Crl3 1.Hot rolled/forging,pre-hardened HB<=220 2.100% UT test SEP1921 3.Best offer,excellent ... / X39Crl / X39Crl3 stainless steel block1.Hot rolled / forging,pre-hardened HB<=2202.100% UT test SEP19213.Best offer,excellent quality sell ... Hot rolled, Forging, Black, Hardened, Tempering, Hardness:HB<=220 3 Annealed hardness : HRC≥: 50 / HB<=220 4 PropertiesExcellent anti-rusty capacity,good ...