工业用钢按化学成分分为碳素钢和合金钢两大类。
碳素钢是指含碳量低于2.11%的铁碳合金。
合金钢是指为了提高钢的性能,在碳钢基础上有意加入一定量合金元素所获得的铁基合金。
按照化学成分的不同可以分为碳素钢与合金钢。
钢的质量是以磷、硫的含量来划分的。分为普通质量钢、优质钢、高级优质钢和特级优质钢。根据现行标准,各质量等级钢的磷、硫含量如下:
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工业用钢按化学成分分为碳素钢和合金钢两大类。
碳素钢是指含碳量低于2.11%的铁碳合金。
合金钢是指为了提高钢的性能,在碳钢基础上有意加入一定量合金元素所获得的铁基合金。
按照化学成分的不同可以分为碳素钢与合金钢。
钢的质量是以磷、硫的含量来划分的。分为普通质量钢、优质钢、高级优质钢和特级优质钢。根据现行标准,各质量等级钢的磷、硫含量如下: