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如何鉴别304不锈钢板材的真假

发布时间:2018-11-13 20:59:14  浏览次数:554

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  316YU304ZAIHUAXUECHENGFENSHANGDEZUIZHUYAOQUBIEJIUSHI316HANMo,ERQIEYIBANGONGREN,316DENAIFUSHIXINGGENGHAOXIE,BI304ZAIGAOWENHUANJINGXIAGENGNAIFUSHI。SUOYIZAIGAOWENHUANJINGXIA,GONGCHENGSHIYIBANDOUHUIXUANYONG316CAILIAODELINGBUJIAN。DANSUOWEISHIWUJUEDUI,ZAINONGLIUSUANHUANJINGXIA,ZAIGAOWENDUYEQIANWANBIEYONG316,WOMENZHIDAOWEILEFANGZHIZAIGAOWENQINGKUANGXIALUOWENYAOSI,XUYAOTUMODEYIZHONGHEIHUHUDEGUTIRUNHUAJI。

  304由于不锈钢本身屈服点高,硬度高,冷作硬化效应显着,304不锈钢板进行折弯时其特点如下:因导热性比普通低碳钢差,延伸率低,导致所需变形力大;不锈钢板料在折弯时与碳钢相比有强烈的回弹倾向;不锈钢板相对于碳钢由于延伸率低, 折弯时工件折弯角R要大于碳钢,否则有出现裂纹的可能;由于304不锈钢板硬度高,冷作硬化效应显着因此在选择压弯刀具时要选择热处理硬度应达到60HRC以上的工具钢, 其表面粗糙度要比碳钢的压弯刀具高一个数量级。