M238优质预加硬塑胶模具钢，此钢为P20加上1.1％镍，钢材表面至中心硬度均匀一致，切削良好，火花机及抛光性能***，适宜气化，镀硬铬及镀钛。硬度与金相结构均匀,已经特殊热处理加硬至30-34HRC,抛光性能良好,容易达成镜面磨光,使用后变形率低,且材料可用率高,可减低成本费用,用于高要求的大小塑胶模具,尤其适合电蚀操作.出厂状态：预加硬至980-1080N/mm2(30-34HRC)用途：适合高要求的塑胶模具，尤其是超过400MM厚之模具。退火：720-740℃热透保温足够时间，再随炉降温至600℃，然后在空气中冷却，所得硬度约为240HB（***高）。应力消除：加热至600℃于保护气体炉中保温约2小时，然后随炉缓慢冷却。淬火：840-860℃保温后淬油，或860-880℃保温后空冷稍高于室温即时回火，所得硬度约54HRC。***电话:0769-8987401113725736806繁辉钢材进口材料有1000多种.如模具钢,工具钢,结构钢,碳素钢,粉末钢,高速钢,钨钢(硬质合金钢),白***板铬钢,铬钼合金钢,耐热钢,透气钢不绣钢,拉力钢,轴承钢,弹簧钢,合金工具钢.....进口铜料如:三宝红铜,黄铜,铝青铜,磷铜,铍铜,钨铜,杯士铜,锡青铜,磷青铜,洋白铜,铬锆铜,锆青铜,铬铜,铝青铜,电解铜,无氧铜,,...铝合金粉末高速钢、模具钢、高速钢熟料、粉末高速钢硬料、春保钨钢WF20、肯纳钨钢CD650、东芝钨钢D30迎咨询洽谈！***电话:0769-89874011137257368061.21081.21091.21271.21291.21621.22011.22061.22081.22101.22351.22411.22421.22431.22481.22491.23031.23051.23071.23111.23121.23161.23191.23271.23281.23411.23531.23611.23621.23631.23691.23761.23781.23791.23811.24141.24191.24361.24421.24531.25101.25161.25191.25421.25501.25521.25621.26011.26041.26311.27031.27091.27101.27111.27131.27181.27211.27351.27381.27431.27451.27461.27621.27641.27671.28231.28261.28331.28381.28421.28801.288435SIMNMOV合金工具钢：X21CR13X40CR14X42CR1359CRV438SICRV629CRMOV965MNCRMO440CRMNMO721CRMO1048CRMOV6-7X35CRMOV5-1-1X37CRMOV5-1X38CRMOV5-1X40CRMOV5-1X50CRMOV5-150CRMOV13-14X48CRMOV8-1-1X63CRMOV5-132CRMOV12-28X32CRMOV3-3X38CRMOV5-335SIMNMOV45WCRV760WCRV860WCRV730WCRV15-130WCRV17-2X30WCRV9-345CRVMOW5-8X37CRMOW5-1X60WCRMOV9-4X30WCRCOV9-3X45COCRWV5-5-535SIMNMOVX3NICOMOTI18-9-545NICR655NICRMOV655NICRMOV756NICRMOV726NICRMOV5X50NICRWV13-1328NICRV528NICRMOV1060NICRMOV12-435SIMNMOV57NICRMOV7-728NIMO1735NICRMO1645NICRMO16X45NICRMO435SIMNMOVX6NICRTI26-15X16NICRSI25-20)