合金结构钢

本文介绍了国内第一台特殊钢方坯连铸机连铸的40Cr合金结构钢铸坯的质量水平。

This paper shows the quality of alloy structural steel billet produced by a special steel billet caster in china .

从这点出发，配合显微组织观察，对一种低碳合金结构钢的中温转变进行了研究，作出了这种钢的一些温度下的等温转变动力学曲线以及该钢的中温转变的TTT图。

From this point , the Medium Temperature Transformation is studied for a low-carbon alloy structural steel cooperating with observation of its microstructures , to draw the kinetic curves of Isothermal Transformation at some temperature and TTT-diagram of Medium Temperature Transformation of the steel .

低合金结构钢CO2气体保护焊工艺探析

CO_2 Gas Protection Solder Technology Analysis in Low-compound Metal Structural Steel Soldering

低碳合金结构钢JR阻力曲线特性

The characteristics of j_t resistance curve for low-carbon alloy structure steels

湿H2S环境中抽油杆用合金结构钢电化学腐蚀

Electrochemical corrosion of the structural alloy steel used for sucker rod in wet H_2S environment

关于碳素结构钢和合金结构钢焊接热影响区的组织的相变温度，通常只能通过参照材料的热处理条件下连续冷却转变（CCT）图进行分析。

It is usually difficult to find out the exact phase transformation temperatures in the heat affected zone ( HAZ ) of carbon and alloyed steels .

可见，通过等温处理获得下贝氏体组织是改善1500MPa级合金结构钢的耐延迟断裂性能的一种有效途径.拉伸强度6.12MPa、断裂伸长率553%；

It can be concluded that isothermal quenching is an effective way to overcome delayed fracture of 1500 MPa level high strength steel .

非合金结构钢和细晶粒结构钢的冷成形结构空心型材第2部分公差，尺寸

EN10210-2-2006 hot finished structural hollow sections of non-alloy and fine gr

合金结构钢在锻造加热时容易产生过热。

Alloy constructional steels are easily overheated during the forge heat-ing .

我国合金结构钢的新发展及其焊接性

The New Development of Alloy Structural Steels in China and Their Weldability

光电光谱仪测定合金结构钢中的氮

Determination of Nitrogen in Alloy Constructional Steel by Photoelectric Spectrometer

用稀土渗氮缩短合金结构钢渗氮时间的研究

Research about Nitriding Time of Alloy Structural Steel Shortened by Rare-Earth Nitriding

消除合金结构钢连铸坯夹渣的研究

Slag inclusions removal in continuous casting billet of structural alloy steel approach

低碳合金结构钢的微观结构与断裂性质

The microstructure and fracture behaviours of low-carbon alloy structure steels

基体组织对合金结构钢耐海水腐蚀性能的影响

Effect of matrix microstructure on seawater corrosion resistance of alloyed structure steel

一种新型高强度低碳合金结构钢的性能试验

Function Test of A New High Strength and Low-carb on Alloy Steel

低碳合金结构钢热处理加热温度的选择与调整

Selection and Adjustment for Heat Treatment Temperature of Mild Structural Alloy Steel

无发纹合金结构钢的研制

Research and production of Stringer Free Structural Alloy Steel

冲击磨损中合金结构钢的组织结构变化

Microstructural Changes of Alloy Constructional Steel in Impact Wear

低合金结构钢的焊接热应变脆化

Heat strain embrittlement in welding low alloy structure steels

中碳合金结构钢的循环热处理与滚压强化

Cyclic Heat Treatment and Rolling Deformation Strengthening of a Medium Carbon Alloy Steel

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 .

合金结构钢渗碳淬火后渗层残余奥氏体的控制

Control and Determination of Retained Austenite Content in Carburized and Quenched Alloy Structural Steels

高强度低合金结构钢焊缝与母材的强度匹配研究

Investigation of strength matching of high strength low alloy steel and its weld metal

高温高速下合金结构钢流动应力研究

The flow stress of alloy structural steels at high temperature and high strain rate

空间网架结构用高耐候性低合金结构钢焊接钢管研制

Welded Pipes Made of High Climate Resistance Low-alloy Structural Steel in Space Netted Structure

合金结构钢锻后淬火工艺的研究

Research on the Ausforging of Constructional Alloy Steel

低合金结构钢圆锭纵裂纹的研究与控制

Study and control of longitudinal crack in round ingot of low alloy structural steel

汽车用合金结构钢的现状和研究进展（一）

State of the Art and Review of Automobile-used Alloy Structural Steel ( I )

GB/T3524-1992碳素结构钢和低合金结构钢热轧钢带

Hot-rolled carbon and low alloy structural steel strips