牌號:SNC631
標準:JIS G4053-2008
SNC631nt face="宋體">是一種調質鋼,是日本的機械結構用合金鋼鋼材,屬於鎳鉻nt>nt face="Times New Roman">(Ni-Cr)nt>nt face="宋體">鋼類型合金結構鋼,載於日本工業標準nt>nt face="Times New Roman">JIS G 4053nt>nt face="宋體">,nt>nt face="Times New Roman">SNC631nt>nt face="宋體">鋼的鎳含量為nt>nt face="Times New Roman">2.5%nt>nt face="宋體">至nt>nt face="Times New Roman">3.0%nt>nt face="宋體">,具有極佳的淬透性和韌性,強度也較高,nt>nt face="Times New Roman">SNC631nt>nt face="宋體">鋼一般在調質狀態下使用,經淬火加高溫回火後具有良好的綜合力學性能,上海隆繼金屬制品有限公司推薦日本nt>nt face="Times New Roman">SNC631nt>nt face="宋體">調質鋼用於制造重要的較大截麵的零件和受扭轉載荷及沖擊載荷較高而且要求淬透性的大型重要零件。nt>
化學成分:
碳 nt face="Times New Roman">Cnt>nt face="宋體">:nt>nt face="Times New Roman">0.nt>27- 0.35nt face="宋體">;nt>
矽 nt face="Times New Roman">Sint>nt face="宋體">:nt>0.15-0.35nt face="宋體">;nt>
錳 nt face="Times New Roman">Mnnt>nt face="宋體">:nt>0.35-0.65
磷 nt face="Times New Roman">Pnt>nt face="宋體">:nt>nt face="Times New Roman">≤0.0nt>30
硫 nt face="Times New Roman">Snt>nt face="宋體">:nt>nt face="Times New Roman">≤0.0nt>30
鎳 nt face="Times New Roman">Nint>nt face="宋體">:nt>nt face="Times New Roman">2.50-3.00nt>
鉻 nt face="Times New Roman">Crnt>nt face="宋體">:nt>0.60-1.00