M238模具钢 上海M238模具钢_详细介绍
M238模具钢上海M238模具钢_详细介绍上海i铭进j大量销售供应:M238模具钢M238奥地利百禄模具钢详细描述:主要成份%C碳Cr铬Mn锰Ni镍Mo钼Si硅0.432.001.501.100.200.30出厂状态:预加硬至980-1080N/mm2(30-34HRC)钢材特性: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。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。回火:淬火后即时回火,时间不少于2-2.5小时,然后出炉空冷。尺寸规格:圆形(MM)25.830.832.840.845.850.855.860.866.071.076.081.086.091.0101.5106.5116.5126.5141.5151.5182.0202.0232.0262.5282.5302.5363.0403.0方形(MM)25323540455060708090105扁形(MM)80X20-25-32-35-40-45-50-60-65-70105X20-25-32-35-40-45-50-60-65-70-80130X20-25-32-35-40-45-50-60-65-70-80-90-105155X20-25-32-35-40-45-50-60-65-70-80-90180X20-25-32-35-40-45-50-60-65-70-80210X20-25-32-35-40-45-50-60-65-70-80-90-105230X20-25-32-35-40-45-50-60-65-70-80260X20-25-32-35-40-45-50-60-65-70-80-90-105310X20-25-32-35-40-45-50-60-65-70-80-90-105420X20-25-32-35-40-45-50-60-65-70-80-90-105-115-130-140-155620X20-25-32-35-40-45-50-60-65-70-80-180-210-230700X20-25-32-35-40-45-50-60-65-70-80-260-310-360)