结构钢

低合金高强度钢（HighStrengthLowAlloySteel，HSLASteel）是一种含有少量合金元素并具有较高强度的结构钢。

High strength low alloy steel ( HSLA Steel ) is a type of structural steel which has small amounts of alloy elements and superior strength .

结构钢热塑性变形后冷却过程的数值模拟研究综述锻造CAPP系统的研制

Review of numerical simulation for the cooling process of the structural steel hot forging The Study on Forging CAPP

研究了离子注渗W和渗碳处理对低碳结构钢显微组织、表面性能的影响。

WC was implanted into the surface of steel and iron parts by high-energy ion implanting technique .

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

LF炉精炼优质碳素结构钢的生产实践

Production Practice of Refining on High Quality Carbon Structure Steel by Ladle Furnace

用DV－4光谱仪分析航空结构钢中Pb、Sn、As、Sb、Bi

Determination of Pb , Sn , As , Sb and Bi for Aviation Structure Steel by DV-4 Spectrometer

超厚板高强度船体结构钢（EH）单面垂直自动焊技术

Single-side vertical auto-welding for EH steel

用悬臂梁J积分法研究了结构钢的环境断裂过程。

Using the method of J-integral with cantilever beam specimens , the environmental fracture process of structural steels was studied .

当疲劳应力较低时，裂纹前缘的石墨球的钝化作用使球墨铸铁的ΔK（th）值比一般结构钢高；

Under lower fatigue stress , the blunt effect of graphite nodules at the tip of crack causes the Δ Kth value to be greater than that of common structural steel .

此氧化膜主要由CaO、Al2O3与SiO2所组成。进而分析了切削含微量Ca、S易切削碳素结构钢的易切削机理。

This oxide layer mainly consists of CaO 、 Al_2O_3 and SiO_2 . Then the cutting mechanism when machining structure carbon steels with a slight amount of ca and s additives is analysed .

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 .

根据材料力学的基本原理，针对重型结构钢截面的形式，推导出其扭转时极惯性矩Jρ的计算公式。

According to the general principle of material mechanics and section form of heavy steel structure , derives the calculation formula of polar moment of inertia J_ ρ of heavy steel structure on torsion .

简述低碳结构钢微合金系的发展，重点介绍NbV和NbTi微合金钢在强度、韧塑性、织构及焊接性能方面的差异。

The development of low carbon structural microalloyed steels was reviewed . The differences of strength , toughness , plasticity , texture and welding property between the Nb V and Nb Ti microalloyed steels were analyzed .

耐候钢又称耐大气腐蚀钢，是在普通钢基中添加少量的Cu、P、Cr、Ti、Ni等合金元素而制成的一种低合金结构钢。

Weathering steel , also named atmosphere corrosion resistant steel , is a kind of low alloy high strength steel which contains a amount of alloyed elements , such as , Cu , P , Cr , Ti , Ni and so on .

在品种开发方面，实现X65以下管线钢、700Mpa以下高强度结构钢的批量生产。

The pipeline steel and the high strength structure steel are developed .

耐候性结构钢SPA-H热轧中宽钢带的开发红外测宽技术及其在热轧带钢宽度检测中的应用

DEVELOPMENT OF HOT-ROLLED MEDIUM AND WIDE STRIP OF SPA-H WEATHERPROOF STRUCTURAL STEEL Application and Technology of Infrared Width Gauge

本文研究了一种新型的高硬度（HRC≥58）、高韧性（αk≥40J/cm~2）的结构钢的化学成分及热处理对冲击韧性的影响。

The effects of chemical composition and heat-treatment on the impact toughness of a new type of micro-calcium steel with high-hardness ( HRC > 58 ) and high-toughness ( ak > 40J / cm2 ) have been investigated .

52K铣床床身铸造裂纹的结构钢焊条电弧冷焊修复工艺

Arc Cold-welding Technique of Repairing 52K Milling Machine Bed Casting Crack with Structural Steel Welding Rod

研究了5种船体结构钢在0～7.0m／s的海水中的腐蚀行为。

This paper represents the corrosion behaviors of five ship structural steels in flowing seawater at the rate of 0 ~ 0.7 m / s.

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 .

本文研究了中碳结构钢（45Cr及60D）马氏体基体上存在不同数量、大小、形状及分布的铁素体对宏观综合机械性能的影响规律。

This paper investigates the influence of the quantity , size , shape and distribution of ferrite in medium carbon structural steel ( 45Cr or 60D ) on its combined macroscopic mechanical properties .

通过低温轧制和应变诱导铁素体相变，可以在碳素结构钢中获得晶粒尺寸小于5μm的超细晶粒，屈服强度大于400MPa。

By means of low temperature rolling and deformation induced ferrite transformation , grains less than 5 microns in plain low carbon steel can be obtained with yield strength over 400 MPa .

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 .

本文比较了各种可能揭示钢中空穴的方法，采用一系列具有增量塑性应变的光滑拉伸试棒调查C-Mn结构钢空穴的形核。

Various methods which might be used to reveal the voids in the steel were compared . Using a series of the interrupted smooth tensile specimens with an incremental plastic strain , the void nucleation was investigated in a C-Mn structural steel with lower sulphur content .

中碳结构钢微动疲劳性能的研究

Investigation of the Fretting Fatigue Behavior of Medium Carbon Constructional Steel

中碳结构钢淬透性的两种预报方法的比较研究

Comparison of two methods for hardenability prediction of medium-carbon structural steels

这是用于起重机的高强结构钢。

This is a high strength structural steel for the crane .

减摩法调控结构钢焊接残余应力技术研究

Research on Control Technique of Welding Residual Stress in Structural 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

结构钢焊条熔敷金属化学成分的人工神经网络预测系统

Artificial neural network system for predicting chemical components of deposited metal