檢視过共析钢的原始碼

[[File:过共析钢.jpg|缩略图|[https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E8%BF%87%E5%85%B1%E6%9E%90%E9%92%A2&step_word=&hs=0&pn=10&spn=0&di=28930&pi=0&rn=1&tn=baiduimagedetail&is=0%2C0&istype=0&ie=utf-8&oe=utf-8&in=&cl=2&lm=-1&st=undefined&cs=752560452%2C1929354196&os=3792062470%2C1805046902&simid=3496268197%2C374557148&adpicid=0&lpn=0&ln=685&fr=&fmq=1623152660190_R&fm=&ic=undefined&s=undefined&hd=undefined&latest=undefined&copyright=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&ist=&jit=&cg=&bdtype=0&oriquery=&objurl=https%3A%2F%2Fgimg2.baidu.com%2Fimage_search%2Fsrc%3Dhttp%3A%2F%2Fimage.8264.com%2Fportal%2Fupload%2FImage%2F2008%2F200807%2F20080709%2F20080709110357JfY6.jpg%26refer%3Dhttp%3A%2F%2Fimage.8264.com%26app%3D2002%26size%3Df9999%2C10000%26q%3Da80%26n%3D0%26g%3D0n%26fmt%3Djpeg%3Fsec%3D1625744668%26t%3Dc15301d203e9c8585fd7cc499f3bf63a&fromurl=ippr_z2C%24qAzdH3FAzdH3Fooo_z%26e3Bbdm9_z%26e3Bv54AzdH3Fetjogjof-nd990-rw2j-8_z%26e3Bip4s&gsm=b&rpstart=0&rpnum=0&islist=&querylist=&nojc=undefined 原图链接][https://www.8264.com/viewnews-32447-page-1.html 来自8264户外]]]
'''过共析钢'''工具用钢的含碳量往往超过0.77%，这种钢组织中渗碳体的比例超过12%，所以除与铁素体形成珠光体外，还有多余的渗碳体，于是这类钢的组织是珠光体+渗碳体。这类钢统称为过共析钢。