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 ...