Die Steel Flat Bar: 1)material is D2. D3 etc 2)width 70mm-130mm, thickness 8mm-30mm 3) Low ... shape5. 9CrWMn , it is similar to O1 Modify ( ASTM), 1.2510(DIN)), SKS3(JIS)Chemical Composition: C 0.93, Si ... mold, ornaments pressing mold6. CrWMn , it is similar to 1.2419(DIN)), SKS31(JIS)Chemical Composition: C 0.98, Si ... 0.40, Mn 1.00, P≤0.030, S≤0. 030, Cr 1.00, W 1.40,Annealed Hardness: HB≤255Heat ...