它一般是指中碳结构钢和中碳合金结构钢。
It generally refers to the carbon structural steel and medium carbon alloy steel.
注：特殊合金结构钢。
汽车的高性能化需要高强度和长寿命的合金结构钢。
High performance and high efficiency automobiles require structural alloy steels to be improved both in strength and service life.
从理论上分析了Q 460 C低合金结构钢焊接性能。
The weld ability of Q460C low alloy structural steel welded joints is theoretically analyzed in this paper.
采用电化学的方法在合金结构钢表面形成一层黑色氧化膜。
Black oxide film was prepared on alloy structural steel by electrochemical method.
叙述了用原子发射光谱法快速定量分析合金结构钢和电工钢中氮。
The rapid quantitative analysis of nitrogen in alloy constructional steel and electrical engineering steel with optical emission spectrometry is described.
本文建议了确定一种低合金结构钢动态力学性能的波动传播的实验方法。
An experimental method of wave propagation is suggested to determine the dynamic properties of a low alloy structure steel.
这种钢包括一般机械结构钢，合金结构钢和工具钢，并用于各种机械零件。
This steel includes general machine structural steel, alloy steel and steel for tools and used for various machine parts.
本文主要阐述了碳钢、低合金结构钢、不锈钢、铸铁等金属材料的焊接技术。
This article focuses on the welding technology of the carbon steel, low alloy steel, stainless steel, cast iron and other metal materials.
优质碳素结构钢圆管坯，高压锅炉用无缝管坯，合金结构钢管坯等均达到国标中的各项要求。
High quality carbon structural round bloom, seamless tube bloom used in high pressure boiler, alloy structural steel tube blooms are all up to the general standard.
硅铁作为合金元素加入剂广泛用于低合金结构钢、合结钢、弹簧钢、轴承钢、耐热钢及电工硅钢之中。
As alloy additives, ferrosilicon is widely used in low alloy structural steel, alloy structural steel, spring steel, bearing steel, heat - resistant steel and electrical silicon steel.
试验结果及分析表明：调整珠光体- 贝氏体组织比例能够提高合金结构钢耐海水腐蚀性能和力学性能。
Possibility of improving seawater corrosion resistance for alloyed structure steels by the adjusting ratio of ferrite to bainite microstructure has also been discussed in this article.
大方坯连铸机主要浇铸优质钢和合金钢，如重轨钢、硬线钢、弹簧钢、轴承钢、合金结构钢等重点品种。
A bloom continuous Casting machine main cast quality steel and alloy steel, such as heavy rail steel, hard-line steel, spring steel, bearing steel, alloy structural steel, and other key species.
冷镦钢盘条一般为低、中碳优质碳素结构钢和优质合金结构钢，用来冷镦成型制造各种机械标准件和紧固件。
The cold heading steel coil generally is low and medium carbon quality steel and alloy structure steel to manufacture various standard mechanical element and fastener by cold heading forming.
前言：论述了用于上海市“东方明珠”球体空间网架结构的高耐候性低合金结构钢焊接钢管的开发研制过程。
The developing process of welded pipes made of high climate resistance low-alloy steel in "Eastern Pearl" space netted structure is discussed.
本文主要介绍中碳合金结构钢经整体塑性变形、热处理后再进行表面冷变形工艺是提高材料疲劳强度的有效途径。
This paper mainly presents that constructional mid-carbon alloy steel, after bulk moulding deformation, heat treatment and cold surface deformation can raise fatigue strength of materials effectively.
重点介绍了按金相组织分类的贝氏体、马氏体类合金结构钢和铁素体、马氏体、奥氏体类不锈钢合金焊丝的生产工艺。
It mainly introduces the production processes of alloy structural steel welding wires of bainite and martensite and stainless steel welding wires of ferrite, martensite and austenite.
筛条上有若干梳齿孔，焊接时呈阶梯形状搭接，有一定的高度差，筛条材质为高碳低合金结构钢，采用精密铸造工艺生产。
There were some wedge-shaped holes in the strip and the strips made by the technology of investment were welded in step and kept distance between strips.
筛条上有若干梳齿孔，焊接时呈阶梯形状搭接，有一定的高度差，筛条材质为高碳低合金结构钢，采用精密铸造工艺生产。
There were some wedge-shaped holes in the strip and the strips made by the technology of investment were welded in step and kept distance between strips.
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