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進口SUP12彈簧鋼板高彈性抗折彎彈簧鋼帶

更新日期:2021年07月02日
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關鍵字:彈簧鋼板高彈性抗折彎彈簧鋼帶
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SUP12彈簧鋼

特性及適用范圍:

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。用作需要具有較高硬度和耐磨性的各種工具,如形狀簡單的模子和沖頭、切削金屬的刀具、打眼工具、木工用的銑刀、埋頭鉆、斧、鑿、縱向手用鋸、以及鉗工裝配工具、鉚釘沖模等次要工具。

化學成份:

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≤0.25、≤0.10(制造鉛浴淬火鋼絲時)

鎳Ni:允許殘余含量≤0.20、≤0.12(制造鉛浴淬火鋼絲時)

銅Cu:允許殘余含量≤0.30、≤0.20(制造鉛浴淬火鋼絲時)

注:允許殘余含量Cr+Ni+Cu≤0.40(制造鉛浴淬火鋼絲時)

力學性能:

硬度:退火,≤187HB,壓痕直徑≥4.40mm;淬火,≥62HRC

熱處理規范及金相組織:

熱處理規范:試樣淬火780~820℃,水冷。

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