... for thermo-plastics, blow moulds, forming tools, machine components.Steel Grade: GB 3Cr2NiMo, % C Si Mn P S ... ,40 - 2,000,30 - 0,550.85 – 1.15DIN- 1.2738 % C Si Mn P S Cr Mo Ni ... 0,0351,80 - 2,100,15 - 0,250.90 – 1.20Similar grade: AISI-P20+Ni,718,M238Hardening : 1050 - 850 ... :Square/Round Bar: 12~ 500mmFlat: thickness, width, contracted.Block: Mini size 20x 50mm ,Max Size, 400x 500mm 1.2738 mould steel