檢視中碳钢的原始碼

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|<center><img src=https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fwww.100135.com%2Fuploadfiles%2F2017%2F3%2F20%2F1639076642.jpg&refer=http%3A%2F%2Fwww.100135.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1668204665&t=4d2770303b9ebaef2c916493bf87d46c width="300"></center>
<small>[https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E4%B8%AD%E7%A2%B3%E9%92%A2&step_word=&hs=0&pn=5&spn=0&di=7146857200093233153&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=3305536740%2C2365052128&os=1915574680%2C2845659593&simid=4222203242%2C462287395&adpicid=0&lpn=0&ln=1073&fr=&fmq=1665612558990_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%2Fwww.100135.com%2Fuploadfiles%2F2017%2F3%2F20%2F1639076642.jpg%26refer%3Dhttp%3A%2F%2Fwww.100135.com%26app%3D2002%26size%3Df9999%2C10000%26q%3Da80%26n%3D0%26g%3D0n%26fmt%3Dauto%3Fsec%3D1668204665%26t%3D4d2770303b9ebaef2c916493bf87d46c&fromurl=ippr_z2C%24qAzdH3FAzdH3Fooo_z%26e3B8aa8nc_z%26e3Bv54AzdH3Fx7ytktg8AzdH3Fvr8bmldlm_z%26e3Bip4s&gsm=600000000000006&rpstart=0&rpnum=0&islist=&querylist=&nojc=undefined&dyTabStr=MCwzLDgsMiw1LDQsNiwxLDcsOQ%3D%3D 来自 呢图网 的图片]</small>
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中文名;中碳钢

外文名;medium carbon steel

碳含量;0.25%~0.60%

本质;碳素钢

分类;40 、45钢等

硬度;HRC55(HB538)

σb;600~1100MPa
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'''中碳钢'''是碳含量为0.25%～0.60%的碳素钢。它包括大部分优质碳素结构钢和一部分普通[[碳素结构钢]]。此类钢大多用于制作各种机械零件，有的用于制作工程结构件。<ref>[https://wenda.so.com/q/1564865634216037 什么是中碳钢?],360问答 , 2019年7月30日</ref>