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SUP7彈簧鋼日本彈簧鋼SUP7彈簧鋼性能
材料名稱(chēng)： SUP7
特性及適用范圍：
SUP7是應(yīng)用廣泛的硅錳彈簧鋼，強(qiáng)度、彈性和淬透性較 55Si2Mn稍高。適于鐵道車(chē)輛、汽車(chē)拖拉機(jī)工業(yè)上制作承受較大負(fù)荷的扁形彈簧或線徑在30mm以下的螺旋彈簧、也適于制作工作溫度在250 ℃以下非腐蝕介質(zhì)中的耐熱彈簧以及承受交變負(fù)荷及在高應(yīng)力下工作的大型重要卷制彈簧。
化學(xué)成份：
碳 C ：0.56～0.64
硅 Si：1.50～2.00
錳 Mn：0.60～0.90
硫 S ：≤0.035
磷 P ：≤0.035
鉻 Cr：≤0.35
鎳 Ni：≤0.35
銅 Cu：≤0.25
力學(xué)性能：
抗拉強(qiáng)度 σb (MPa)：≥1274(130)
屈服強(qiáng)度 σs (MPa)：≥1176(120)
伸長(zhǎng)率 δ10 (%)：≥5
斷面收縮率 ψ (%)：≥25
硬度 ：熱軋,≤321HB;冷拉 熱處理,≤321HB
熱處理規(guī)范及金相組織：
熱處理規(guī)范：淬火870℃±20℃,油冷; 回火480℃±50℃(特殊需要時(shí),±30℃)。
金相組織：回火屈氏體。
交貨狀態(tài)：熱軋鋼材以熱處理或不熱處理狀態(tài)交貨，冷拉鋼材以熱處理狀態(tài)交貨。
SUP7榮創(chuàng)鋼帶0.2*160/180/200/262鋼板1*(200MM-2.1M)*(1M-6M)
SUP7榮創(chuàng)鋼帶0.3*160/180/200/262鋼板1*(200MM-2.1M)*(1M-6M)
SUP7榮創(chuàng)鋼帶0.4*160/180/200/262鋼板1*(200MM-2.1M)*(1M-6M)
SUP7榮創(chuàng)鋼帶0.5*160/180/200/262鋼板1*(200MM-2.1M)*(1M-6M)
SUP7榮創(chuàng)鋼帶0.6*160/180/200/262鋼板1*(200MM-2.1M)*(1M-6M)
SUP7榮創(chuàng)鋼帶0.7*160/180/200/262鋼板1*(200MM-2.1M)*(1M-6M)
SUP7榮創(chuàng)鋼帶0.8*160/180/200/262鋼板1*(200MM-2.1M)*(1M-6M)
SUP7榮創(chuàng)鋼帶1.0*160/180/200/262鋼板1*(200MM-2.1M)*(1M-6M)
SUP7榮創(chuàng)鋼帶1.2*160/180/200/262鋼板1*(200MM-2.1M)*(1M-6M)
SUP7榮創(chuàng)鋼帶1.3*160/180/200/262鋼板1*(200MM-2.1M)*(1M-6M)
SUP7榮創(chuàng)鋼帶1.4*160/180/200/262鋼板1*(200MM-2.1M)*(1M-6M)
SUP7榮創(chuàng)鋼帶1.5*160/180/200/262鋼板1*(200MM-2.1M)*(1M-6M)
SUP7榮創(chuàng)鋼帶1.6*160/180/200/262鋼板1*(200MM-2.1M)*(1M-6M)
SUP7榮創(chuàng)鋼帶1.7*160/180/200/262鋼板1*(200MM-2.1M)*(1M-6M)
SUP7榮創(chuàng)鋼帶1.8*160/180/200/262鋼板1*(200MM-2.1M)*(1M-6M)
SUP7榮創(chuàng)鋼帶2.0*160/180/200/262鋼板1*(200MM-2.1M)*(1M-6M)
SUP7榮創(chuàng)鋼帶2.2*160/180/200/262鋼板1*(200MM-2.1M)*(1M-6M)
SUP7榮創(chuàng)鋼帶2.5*160/180/200/262鋼板1*(200MM-2.1M)*(1M-6M)
SUP7榮創(chuàng)鋼帶2.6*160/180/200/262鋼板1*(200MM-2.1M)*(1M-6M)
SUP7榮創(chuàng)鋼帶2.8*160/180/200/262鋼板1*(200MM-2.1M)*(1M-6M)
SUP7榮創(chuàng)鋼帶3.0*160/180/200/262鋼板1*(200MM-2.1M)*(1M-6M)
SUP7榮創(chuàng)鋼帶3.5*160/180/200/262鋼板1*(200MM-2.1M)*(1M-6M)
SUP7榮創(chuàng)鋼帶4.0*160/180/200/262鋼板1*(200MM-2.1M)*(1M-6M)
SUP7榮創(chuàng)鋼帶4.5*160/180/200/262鋼板1*(200MM-2.1M)*(1M-6M)
SUP7榮創(chuàng)鋼帶5.0*160/180/200/262鋼板1*(200MM-2.1M)*(1M-6M)
SUP7
