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龍記特殊鋼 - LKM S7 M
高性能高韌性高耐磨模具鋼

出廠狀態:
退火至229HB (最高)

成份(%):(只供參考)

C 碳 Si 硅 Mn 錳 Cr 鉻 Mo 鉬 特殊合金
0.5 < 0.3 < 0.7 5.0 2.2 添加

比較標準:
AISI S7 改良型,電渣重熔

優點:

  • 經過ESR重熔精煉處理,鋼質純潔度高,顯微組織均勻細小,優良的鏡面 拋旋光性、蝕紋性、耐磨性、韌性、塑性、淬透性、高溫強度

主要應用:

  • 適合用于中小型長期生產的添加30%或以上玻璃纖維、碳纖維等增強塑料的注塑模具,熱固性塑膠 壓實模

 

韩国真人无码作爱视频

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