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。
There are four broad classifications of steel: carbon steels, alloy steels, high-strength low-alloy steels and stainless steels.
为高强度低合金钢组织超细化技术的理论研究和实际工程应用提供参考。
It provides reference for the method of theoretical re - search and practical engineering application of structure ultra-fining treatment in HSLA steel.
钢材大致辞可分为四类，即：碳素钢、合金钢、高强度低合金钢和不锈钢。
There are four broad classifications of steel : carbon steels, alloy steels, high-strength low-alloy steels and stainless steels.
钒铁用作炼钢的添加剂，生产高强度低合金钢、高速钢、工具钢、不锈钢及永久磁铁等。
Ferrovanadium can be used as additive in smelting high-intensity-low-alloy steel, high speed steel, tool steel, stainless steel and permanent magnet.
采用埋弧焊方法，通过改变焊丝铜含量来改变焊缝金属中的铜含量，研究铜对高强度低合金钢焊缝金属韧性的影响。
In this paper, the effect of copper content on the weld metal toughness in SAW of HSLA steels was studied by changing the copper content in welding wire.
可焊接材料：低碳钢、高强度钢、中碳钢、低合金钢。
Wwlding material:low carbon steel, high strength steel, medium carbon steel, low alloy steel.
高强度船体结构用钢及其板卷生产方法属低合金钢，尤其涉及船体结 构用钢及其生产方法。
The present invention relates to low alloy steel and is especially steel for hull structure and its production process.
可焊材料：低碳钢、高强度钢、中碳钢，低合金钢。
Wwlding material: low carbon steel, high strength steel, medium carbon steel, low alloy steel.
可焊材料：低碳钢、高强度钢、中碳钢，低合金钢。
Weldable materials: low carbon steel, high-strength steel, medium-carbon steel, low-alloy steel.
可焊材料：低碳钢、高强度钢、中碳钢，低合金钢。
Weldable materials: low carbon steel, high-strength steel, medium-carbon steel, low-alloy steel.
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