55CrMnA弹簧钢2

博主:adminadmin 2022-09-21 09:18:01 条评论
摘要:●材料名称:弹簧钢●签名:55CRMNA●标准:GB/T1222-CRMNA弹簧钢具有高强度,可塑性和韧性,良好的淬火性,过热的比锰钢低,并且脱氧化趋势小于硅和硅胶钢。脆度很大。显着的优势是它具有良好的淬灭性。此外,热加工性能,全面的机械性能和反碳碳表现还用于具有重载,大压力和大直径螺旋弹簧的车...

  ●材料名称:弹簧钢●签名:55CRMNA●标准:GB/T1222-CRMNA弹簧钢具有高强度,可塑性和韧性,良好的淬火性,过热的比锰钢低,并且脱氧化趋势小于硅和硅胶钢。脆度很大。显着的优势是它具有良好的淬灭性。此外,热加工性能,全面的机械性能和反碳碳表现还用于具有重载,大压力和大直径螺旋弹簧的车辆和拖拉机行业。 Carbon C: 0.52 ~ 0.60 silicon Si: 0.17 ~ 0.37 manganese mn: 0.65 ~ 0.95 sulfur S: ≤0.030 phosphorus P: ≤0.030 chromium CR: 0.65 ~ 0.95 nickel Ni: ≤0.25 钒 V: 0.10 ~ 0.200 Tensile strength σb (MPA ):≥1225(125)条件屈服强度σ0.2(MPA):≥1080(110)延伸δ5(%):≥9(参考)部分收缩率ψ(%):≥20硬度:≥20硬度:≤滚动,≤卷,≤ 321HB;冷拉+热处理,≤321hb

55CrMnA弹簧钢2

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