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彈簧鋼

Spring steel

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SK5彈簧鋼

SK5彈簧鋼 淬火回(hui)火后有較高硬度(du)和(he)耐磨性，但熱硬性低、淬透性差(cha)、易(yi)變形、塑性及強度(du)較低。

  • 中文名：SK5彈簧(huang)鋼
  • 生產工藝：一般彈(dan)簧鋼可(ke)用(yong)平爐或氧氣生(sheng)產
  • 執行標準：JIS G4401
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介紹

SK5彈簧鋼 淬火回火后有較高硬度和耐磨性，但熱硬性低、淬透性差、易變形、塑性及強度較低。

 

適用范圍

用(yong)作需(xu)要具(ju)(ju)(ju)有較高硬度(du)和耐磨性的各種工(gong)(gong)(gong)(gong)具(ju)(ju)(ju)，如(ru)形狀簡單的模子和沖頭、切(qie)削金屬的刀具(ju)(ju)(ju)、打(da)眼工(gong)(gong)(gong)(gong)具(ju)(ju)(ju)、木(mu)工(gong)(gong)(gong)(gong)用(yong)的銑(xian)刀、埋頭鉆、斧(fu)、鑿、縱向手用(yong)鋸、以及鉗工(gong)(gong)(gong)(gong)裝配工(gong)(gong)(gong)(gong)具(ju)(ju)(ju)、鉚釘(ding)沖模等(deng)次要工(gong)(gong)(gong)(gong)具(ju)(ju)(ju)。

 

化學成分

碳 C ：0.80～0.90硅 Si：0.10-0.35
錳 Mn：0.10-0.50
硫 S ：≤0.030
磷 P ：≤0.030
鉻 Cr：允許殘余含量≤0.30、≤0.10
鎳 Ni：允許殘余含量≤0.25、≤0.12
銅 Cu：允許殘余含量≤0.25、≤0.20
注：允許殘余含量Cr+Ni+Cu≤0.40
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