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日本大同 - DH31-EX
高壽命熱作模具鋼

出廠狀態:
退火至約235HB(最高)

成份:
大同專利成分

優點

  • 大型模具中心部韌性大幅提高
  • 抗疲勞強度提升
  • 斷裂韌性, 耐熱龜裂, 耐熱損性能良好
  • 切削性能良好

主要應用:

  • Al, Mg合金壓鑄模具
  • 壓鑄模具零件
  • 熱擠壓模具
  • 熱鍛模

 

韩国真人无码作爱视频

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