... 14mm-500mm Length : under 6000mm Cold Work Steel 1.2601 (AISI D3,DIN 1.2601, GB Cr12MoV).Round bars Diameter:14mm-500mm ... resistance and good comprehensive mechanical behavior1) Chemical Composition(GB) %CSiMnCrMoV 1.600.300.4012.000.500.25 2) Delivery condition: EAF ... rolled or forged, black or machined surface, annealed, hardness: HBS=207~255.3) Application: used for making large area, complex shape ...