Cr12 Cold Work alloy tool steel Cr12MOV, Cr12MO1V1, Cr8, 4Cr5MoVSi, 4Cr5MoV1Si, 3Cr2Mo, 3Cr2MnNiMO, are available. Cr12 Cold Work alloy tool steelCr12MOV, Cr12MO1V1, Cr8, 4Cr5MoVSi, 4Cr5MoV1Si, ... 3Cr2Mo, 3Cr2MnNiMO, are available. Alloy tool steel: Cr12 cold work annoy tool steel Standard: GB/T 1299-1985 ASTM/D3 Feature ... .030≤0.03011.50~13.00≤0.25≤0.30≤1.00