55CrMnA彈簧鋼2
●材料名稱:彈簧鋼●簽名:55CRMNA●標準:GB/T1222-CRMNA彈簧鋼具有高強度,可塑性和韌性,良好的淬火性,過熱的比錳鋼低,并且脫氧化趨勢小于硅和硅膠鋼。脆度很大。顯著的優勢是它具有良好的淬滅性。此外,熱加工性能,全面的機械性能和反碳碳表現還用于具有重載,大壓力和大直徑螺旋彈簧的車輛和拖拉機行業。 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 釩 V: 0.10 ~ 0.200 Tensile strength σb (MPA ):≥1225(125)條件屈服強度σ0.2(MPA):≥1080(110)延伸δ5(%):≥9(參考)部分收縮率ψ(%):≥20硬度:≥20硬度:≤滾動,≤卷,≤ 321HB;冷拉+熱處理,≤321hb

55CRMNA plates can be called 55CRMNA, 55CRMNA steel plates, 55CRMNA coils, 55CRMNA open tablets, 55CRMNA band steel, 55CRMNA cold rolled plate, 55CRMNA hot rolled plate, 55CRMNA plate plate, 55CRMNA thick plate, 55CRMNAAANAAAAATINA specialty, Board, etc.
55CRMNA rods can be called 55CRMNA, 55CRMNA round steel, 55CRMNA disk, 55CRMNA wire, 55CRMNA silk, 55CRMNA forging, 55CRMNA black rod, 55CRMNA light, 55CRMNA, Light, 55CRMNA hot -rolled round steel, 55CRMNA rolling, 55CRMNA cold pull round steel,等等
55CRMNA pipes can be called 55CRMNA Youte Steel, 55CRMNA steel pipes, 55CRMNA Youte Steel seamless pipes, 55CRMNA seamless pipes, 55CRMNA Youte Steel welded pipes, 55CRMNA tubes, 55CRMNA precision pipes, 55CRMNA capillary pipes, etc. Essence

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