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龍記特殊鋼 - LKM 420H
防銹之塑膠模具鋼

出廠狀態:
HB280-330 (HRC29-35)

成份(%):(只供參考)

C 碳 Cr 鉻 Mn 錳
0.40 13.00 0.50

比較標準:
AISI 420, W.Nr 1.2083

優點:

  • 經濟型塑料模具鋼材

主要應用:

  • 適用于長期生產之形狀較簡單,有防銹防腐蝕要求之中小型塑膠模具
  • 420H 經預硬處理, 亦適用有防銹需求的高精密模架用料

 

韩国真人无码作爱视频

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