60Si2Mn彈簧鋼
60Si2Mn硬度60Si2Mn價格60Si2Mn成分60Si2Mn性能60Si2Mn拋光性能
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60Si2Mn彈簧鋼
60Si2Mn硬度60Si2Mn價格60Si2Mn成分60Si2Mn性能60Si2Mn拋光性能
特性及適用范圍:
是應用廣泛的硅錳彈簧鋼,強度、彈性和淬透性較 55Si2Mn稍高。適于鐵道車輛、汽車拖拉機工業(yè)上制作承受較大負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荷及在高應力下工作的大型重要卷制彈簧。
化學成份:
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
力學性能:
抗拉強度 σb (MPa):1274(130)
屈服強度 σs (MPa):1176(120)
伸長率 δ10 (%):5
斷面收縮率 ψ (%):25
硬度 :熱軋,321HB;冷拉+熱處理,321HB