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25Cr2MoVA=合金结构钢统一数字代号:A31253标准:GB/T3077-1999化学成分化学成分C:0.22~0.29Si:0.17~0.37Mn:0.40~0.70Cr:1.50~1.80Mo:0.25~0.35V:0.15~0.30热处理淬火加热温度(℃):900;冷却剂:油回火加热温度(℃):640;冷却剂:空力学性能抗拉强度(σb/MPa):≧930屈服点(σs/MPa):≧785断后伸长率(δ5/%):≧14断面收缩率(ψ/%):≧55冲击吸收功(Aku2/J):≧63布氏硬度(HBS100/3000)(退火或高温回火状态):≦241主要特性中碳耐热钢。强度和韧性均高。低于500℃时,高温性能良好,无热脆倾向,淬透性较好,切削加工性尚可,冷变形塑性中等,焊接性差。一般可在调质状态下使用,也可在正火及高温回火后使用今年以来国内整个常州25cr2mova圆钢市场价格下跌不止,整体市场心态悲观不已。可是,近几天,市场迎来了一些利好,在沙钢中旬出厂价格意外平盘托市,上周五常州25cr2mova圆钢价格有所上涨,周末唐山钢坯大涨以后,现货市场价格也迎来了久别的反弹行情。可是自八月经济数据陆续出台,宏观面利空***,期钢继续震动趋弱,常州25cr2mova圆钢现货市场通过短暂的拉涨后又震动趋弱,主要种类价格震动调整,当前钢市大环境未出现明显利好音讯,需求跟进缺乏,市场涨幅难以继续。在常州25cr2mova圆钢行业旺季仍未爆发的背景下下,产值上升让市场供给冲突进一步紧张起来,市场价格难有起色,鉴于当前钢材价格和需求都处于比较低的水平,后期价格继续下跌的空间非常有限,常州25cr2mova圆钢价格将继续会以震动盘整为主。合金结构钢:20Mn2,30Mn2,35Mn2,40Mn2,50Mn2,20MnV,27SiMn,35SiMn,42SiMn,40B,45B,50B,40MnB,45MnB,15Cr,15CrA,20Cr,30Cr,35Cr,40Cr,45Cr,50Cr,20SiMn2MoV,25SiMn2MoV,37SiMn2MoV,20MnMoB,BL2,BL3,15MnVB,20MnVB,40MnVB,20MnTiB,25MnTiBRE,38CrSi,12CrMo,15CrMo,20CrMo,30CrMo,30CrMoA,35CrMo,40CrMo,12CrMoV,35CrMoV,12CrlMoV,25Cr2MoVA,25Cr2Mo1VA,38CrMoAl,40CrV,50CrVA,15CrMn,20CrMn,40CrMn,20CrMnSi,25CrMnSi,30CrMnSi,30CrMnSiA,35CrMnSiA,20CrMnMo,40CrMnMo,20CrMnTi,30CrMnTi,20CrNi,40CrNi,45CrNi,50CrNi,12CrNi2,12CrNi3,20CrNi3,30CrNi3,37CrNi3,12Cr2Ni4,20Cr2Ni4,20CrNiMo,40CrNiMoA,45CrNiMoVA,18CrNiMnMoA,18Cr2Ni4WA,25Cr2Ni4WA,12Mn2A,16Mn2A,38CrA,30CrMnMoTiA,30CrNi2MoVA,30SiMn2MoVA,30CrMnSiNi2A,40CrA,12CrNi3A,20CrNi3A,30CrNi3A,30CrMnMoTiA,18Cr2Ni4WA,12Cr2Ni4A,,30CrMnSiNi2A,38CrMoAlA,40CrNiMoA,25Cr2Ni4WA,30SiMn2MoVA,30CrNi2MoVA,25MnTiB。)
无锡市江电固川金属管件有限公司
姓名: 束荣玲 女士
手机: 18051500762
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