产品名称:60CrMnBA弹簧钢
60CrMnBA弹簧钢较高强度,塑性和韧性,淬透性较好,过热敏感性比锰钢低,比硅锰钢高,脱碳倾向比硅锰钢小,回火脆性大。故应选择合适的回火温度和冷却速度;一般在淬火并中温回火状态下使用60CrMnBA用于车辆,拖拉机工业上制作负荷较重,应力较大的板簧和直径较大的螺旋弹簧。

化学成分:
碳 C :0.56~0.64
硫 S :≤0.025
磷 P :≤0.025
镍 Ni:≤0.35
铜Cu:≤0.25
硼B:0.0005~0.0040

抗拉强度 σb (MPa):≥1225(125) 条件屈服强度 σ0.2 (MPa):≥1080(Rp0.2)
伸长率 δ5 (%):≥9(供参考)
断面收缩率 ψ (%):≥20 硬度 :热轧,≤321HB;冷拉+热处理,≤321HB

热处理规范:淬火830~860℃,油冷; 回火460~520℃。

中国弹簧钢:65,70,85,65Mn,70Mn,55Si2Mn,55Si2MnB,55Si2MnVB,60Si2Mn,60Si2MnA,60Si2CrA,60Si2CrVA,55CrVA,60CrMnBA,55CrMnA,60CrMnA,60CrMnMoA,30W4Cr2VA,70Si2CrA,55CrSiA;
 
台湾中钢弹簧钢:SK3,SK5,SK7,SKS51,S55C,S65C,SK85,SK4,SK85,T8A,T12A,T10A;
 
 美国芬可乐弹簧钢:1065,1070,1084,1095,1566,1572,9255,9260,9254,5155,5160,4151,6150,51B60H;
 
德国撒斯特弹簧钢:CK65,C67E,CK67,C75E,CK75,C85E,CK85,C101E,CK101,38Si6,38Si7,46Si7,51Si7,55Si7,56Si7,65Si7,71Si7,60SiMn5,51MnV7,54SiCr6,60SiCr7,67SiCr7,55Cr3,51CrV4,50CrV4,58CrV4,51CrMnMoA,CrMnMo443,52MnCrB3,1.1235,1.1234,1.0904,1.0908,1.0961,1.7176,1.7266,1.8159,1.7138;
 
日本住友弹簧钢:SUP3,SUP4,SUP6,SUP7,SUP9,SUP9A,SUP10,SUP11A,SUKP12,SUP13,S50C-CSP,S55C-CSP,S60C-CSP,S65C-CSP,S70C-CSP,SK5-CSP,SUP10-CSP;
 
英国弹簧钢:250A53,250A58,251A58,251A60,251H60,525A58,525A60,525A61,526M60,685A57,685H57,704A60,704H60,705A60,705H60,735A51,735H51,735A54,805H60,925A60,060A96,070A72,070A78,080A52,080A67,080A72,080A83,060A96,070A72,090A65,685A55,735A50
 
法国弹簧钢:XC65,XC70,XC85,55S7,60SM5,55C3,52MCB3,60SC7,50CV4