供应现货_40CrNiMoA-合金钢
40CrNiMoA大锻圆对应牌号
40CrNiMoA硬度┃40CrNiMoA成分德国:34CRNIMO6
40CrNiMoA毛料-40CrNiMoA黑棒美国:4340
40CrNiMoA┋40CrNiMoA圆钢日本:SNCM439(SNCM8)
40CrNiMoA硬度,40CrNiMoA淬火后硬度能达到多少?英国:817M40
轧 材15Crmn、40CrNiMoA圆钢、报价意大利:40NiCrMo7
江苏40CrNiMoA圆棒40CrNiMoA 化学成份
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密度ρ(kg/m3):约7830
弹性模量(GPa):209
抗拉强度σb (MPa):≥980(100)
屈服强度σs (MPa):≥835(85)
伸长率δ5 (%):≥12
断面收缩率ψ (%):≥55
冲击功 Akv (J):≥78
冲击韧性值αkv (J/cm²):≥98(10)
试样尺寸:试样毛坯尺寸为25mm
热处理:(淬火850度;冷却剂:油;回火温度600度;冷却剂:水、油);
钢材退火或高温回火供应状态布氏硬度GBW≤269;
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40CrNiMoA现货、热轧、热锻40CrNiMoA工艺交货状态
以热处理(正火、退火或高温回火)或不热处理状态交货,交货状态应在合同中注明。
用途:用作要求高强度、高韧性、截面尺寸较大的和较重要的调质零件,如卧式锻造机的传动偏心轴、锻压机曲轴等。 经调质后使用,用于制作要求塑性好,强度高及大尺寸的重要零件。如果重型机械中高载荷的轴类、直径大于250mm的汽轮机轴、叶片、高载荷的传动件、紧固件、曲轴、齿轮等。此外,还可以进行氮化处理后用来制作特殊性能要求的重要零件。电话 18915256801 *** 2018731814 姬
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现货40CrNiMoA圆钢
