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高耐熱模鋼:3Cr2W8V
產地、品牌:中國寶鋼
化學成分%:
C:0.30~0.40
Cr:2.20~2.70
W:7.50~9.00
V:0.20~0.50
Si小於等於0.40
Mn小於等於0.40
p小於等於0.030
S小於等於0.030
用途:常用的壓鑄模具鋼。碳含量較低,有較高韌性和良好的導熱性;同時,含有較多的碳化物形成元素鉻、鎢、釩,相變溫度提高,使鋼有高的高溫強度、硬度和良好的耐熱疲勞性;淬透。適於制造高溫、高應力,但不受沖擊負荷的壓鑄銅、鋁、鎂合金用附模、型芯、澆口套、分流釘、高應力壓臘、熱剪切刀、熱頂鍛模、平鍛機凸凹模、鑲塊等。
熱處理:(交貨狀態:佈氏硬度HBW10/3000(小於等於255~207))
淬火:1075~1125
冷卻劑:油
新手教學
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