18CrNiMo7-6轧制圆钢 18CrNiMo7-6锻制圆钢 18CrNiMo7-6 |Φ10 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ12 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ16 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ20 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ25 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ30 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ35 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ40 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ45 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ50 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ55 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ60 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ65 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ70 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ75 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ80 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ90 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ95 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ100 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ110 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ120 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ130 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ140 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ150 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ160 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ170 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ180 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ190 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ200 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ210 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ220 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ230 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ240 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ250 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ260 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ270 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ280 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ290 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ300 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ310 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ320 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ330 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ340 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ350 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ360 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ370 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ380 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ390 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ400 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ410 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ420 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ430 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ440 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ450 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ460 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ470 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ480 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ490 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ500 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ510 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ520 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ530 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ540 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ550 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ560 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ570 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ580 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ590 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ600 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ610 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ620 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ630 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ640 (MM) 渗碳合金钢 18CrNiMo7-6 |Φ650 (MM) 渗碳合金钢 牌号：18CrNiMo7-6 类别：渗碳合金钢 德标统一数字：1.6587 执行标准：EN 10084 : 2008 特性与用途：18CrNiMo7-6德国牌号特种钢。具有高抗弯强度、接触疲劳强度，还具有高的硬度和耐磨性，心部具有高的硬度和韧性，综合机械性能较高。广泛应用于变速箱齿轮等，也用于制造高速、重载火车的电力机车上的齿轮用钢及一般的大型齿轮用钢。 18CrNiMo7-6冶炼工艺：采用“大功率电炉+炉外精炼（LF）+真空脱气（VD）+电渣重熔+快锻+退火（或正火）+车削”工艺。 18CrNiMo7-6化学成分： C碳：0.15-0.21 Si硅:0.40 Mn锰: 0.5-0.90 P磷: 0.025 S硫:0.015 Cr铬: 1.5-1.8 Ni镍:1.40-1.70 Mo钼:0.25-0.35 Al铝:0.05 Cu铜:0.30 18CrNiMo7-6力学性能： 1. 热加工温度/:1150-850 2. 热处理温度/: A:退火:650-700 B:渗碳:900-950 C:淬火(心部):840-870 D:淬火(表层):800-830,油 E:回火:170-210 3. 退火后硬度HBW229 4. 心部力学性能(表面硬化后) 尺寸/mm:11,30,63 抗拉强度MPa:1180-1420 1080-1320 980-1270 屈服强度MPa:830 785 685 伸长率％:7 8 8 面收缩率％:35 35 35 冲击功J:41 41 - 18CrNiMo7-6渗碳合金钢上海高高商贸有限公司《高高兴晟特钢集团》真信息、真品质、真价格提供18CrNiMo7-6渗碳合金钢。