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021-6781 6578
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● 產(chǎn)品名稱:
SKS31合金工具鋼
● 國際通稱:
SKS31、O7、105WC16、1.2419、105WCr1、2212F90MCW5、XFl、STS31
● 執(zhí)行標準:
JIS G4404-2006、ASTM A681-08、ENISO4957-1999、ISO4957:1999
● 主要成分(%):
碳(C)0.95~1.05
硅(Si)≤0.35
錳(Mn)0.90~1.20
鉻(Cr)0.80~1.20
鎢(W)1.00~1.50
磷(P)≤0.030
硫(S)≤0.030
● 物理/力學性能:
硬度:退火硬度≤217HB,淬火硬度≥61HRC。
● 熱處理工藝規(guī)范:
退火:一般退火采用780-800℃,保溫4-6h,以≤50℃/h,冷卻到550℃出爐空冷;等溫退火采用700-800℃,保溫2-4h,然后再670-720℃保溫,保持2-4h,以≤50℃/h冷速冷卻到500℃出爐空冷,退火硬度為197-241HB。
● 特性及應(yīng)用:
SKS31是制作模具最常用的高碳合金工具鋼。具有高淬透性。由于鎢W形成碳化物,這種鋼在淬火和低溫回火后具有比鉻鋼和9SiCr鋼更多的過剩碳化物和更高的硬度及耐磨性。此外,鎢W還有助于保存細小晶粒,從而使鋼獲得較好的韌性。所以由進口SKS31工具鋼制成的刃具,崩刃現(xiàn)象較少,并能較好地保持刀刃形狀和尺寸。但是,鋼對形成碳化物網(wǎng)比較敏感,這種網(wǎng)的存在,就使工具刃部有剝落的危險,從而使工具的使用壽命縮短,因此,有碳化物網(wǎng)的鋼,必須根據(jù)其嚴重程度進行鍛壓和正火。
SKS31工具鋼常用來制造在工作時切削刃口不劇烈變熱的工具和淬火時要求不變形的量具和刃具,例如制作刀、長絲錐、長鉸刀、專用銑刀、板牙和其他類型的專用工具,以及切削軟的非金屬材料的刀具。
● 材料的交貨:
依據(jù)不同的執(zhí)行標準、交貨狀態(tài)、規(guī)格尺寸、軋制方法、產(chǎn)地等,上海銳如實業(yè)有限公司可為您提供:
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不管您的需求量是多少,上海銳如實業(yè)有限公司都將在第一時間為您提供最快的響應(yīng)和周到的服務(wù)!
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注:本文中所介紹的產(chǎn)品性能等信息僅供參考,并不是產(chǎn)品的技術(shù)說明書。
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