There are four broad classifications of steel: carbon steels, alloy steels, high-strength low-alloy steels and stainless steels.
钢材大致可分为四类：炭素钢，合金钢，高强度低合金钢和不锈钢。
Wear loss of specimens for these two steels during a certain time show that low carbon high alloy steel is much more resistant to corrosive impact abrasion than high manganese steel.
比较两种材料试样在一定时间内的失重变化情况，表明低碳高合金钢的抗冲击腐蚀磨损性能优于高锰钢。
Fwelding of carbon steels low-alloy steels.
用于碳素钢及低合金钢的焊接。
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