The changes of quenching and tempering hardness and the microstructure transformation of four kinds of Cr-W-Mo-V medium-alloy steels were investigated.
研究了4种不同成分的Cr-W-Mo-V中合金钢的淬火硬度、回火硬度变化和组织结构转变。
Since ball mills used in cement industry are becoming larger and larger,a kind of medium alloy steel liner has been developed.
针对水泥工业用球磨机日趋大型化的特点 ,研制了立足国内资源 ,生产工艺简单的中合金钢衬板 。
The ability of spinning of medium carbon alloy steel at annealing is very good.
中碳合金钢退火状态可旋性良好,累计变薄率为80%,未见裂纹出现。
Wear characteristics and mechanisms of a medium carbon alloy steel after quenching at 900 ℃ and low temperature tempering at 200 ℃ were investigated under the condition of impact corrosive wear.
为探讨较高的冲击力对中碳合金钢的冲击腐蚀磨损规律,对中碳合金钢经900℃淬火、200℃低温回火得到的复相组织的磨损特性和机理进行了试验研究。
Study on determination of multi elements in middle-low alloy steel by inductively coupled plasma-atomic emission spectrometry with home-made laser ablation solid sample introduction system;
激光剥蚀进样—电感耦合等离子体原子发射光谱法分析中低合金钢中多元素的研究
Investigation on emission characteristics of radio frequency glow discharge optical emission spectrum for multi elements in middle-low alloy steel;
中低合金钢中多元素的射频辉光放电发射光谱发射谱线性质的研究
Determination of eighteen elements in middle-low alloy steel by glow discharge mass spectrometry;
辉光放电质谱法测定中低合金钢中18种元素
Transformation and morphology of carbides in high carbon medium-alloy steels during transforming process;
三种高碳中合金钢在热处理过程中的碳化物转变及形貌
The investigation shows that M23C6 and M3C in Cr-W-Mo-V high carbon medium-alloy steels gradually dissolve into the matrix during heat process at about αγ temperature, and gradually precipitate again from the matrix during low cooling process.
研究表明,Cr-W-Mo-V高碳中合金钢加热至αγ温度区附近,M23C6和M3C会逐渐溶解于基体中,缓冷过程逐渐析出M23C6、M3C,并在αγ温度区发生M23C6M6C转变,而球状VC则变化不大,其碳化物超细化主要南溶解、形核的转变过程所引起的。
according to the amount of alloy elements (except carbon), alloy steels can be divided into low-alloy steel, medium-alloy steel and high-alloy steel.
根据除碳以外的合金元素的含量，合金钢可以再分为低合金钢、中合金钢和高合金钢。
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。
The principal metal in an alloy, as the iron in steel.
合金中的主要金属，例如钢中的铁
Medium-carbon and high-carbon steels are often used as tool steel. Tool steels include carbon tool steel, alloy tool steel and high-speed tool steel.
中碳钢和高碳钢常用作工具钢。工具钢包括碳素工具钢、合金工具钢和高速工具钢。
DISSOLVE AND AGE PRECIPITATION OF THE MICROALLOYED CARBIDE IN THE MICROALLOYED STEEL
微合金钢中微合金碳化物的溶解与时效析出
Tribological Properties of HS Steel Sliding against N80 Steel under Water-lubricated Condition
高硫合金钢/N80钢在水介质中的摩擦性能学研究
However, the welding of dissimilar steels carbon steel or low alloy steel and stainless composite steel demands more welding high-technologies in fabrication and erection of the hydraulic steel structure.
而碳钢、合金钢的复合钢板及异种钢的焊接在水工金属结构制作安装中要求高、度大。
A new filtration technique for purification of carbon, stainless, high speed, low and high alloy steel castings in investment casting was investigated.
研究了在熔模精密铸造中过滤净化碳钢、低合金钢和高合金钢等铸钢件的过滤新技术。
carbon and low-alloy steel vessels
碳钢及低合金钢容器
high manganese steel
高锰合金钢, 高锰钢
Wwlding material: low carbon steel, high strength steel, medium carbon steel, low alloy steel.
可焊接材料：低碳钢、强度钢、碳钢、合金钢。
SEPARATION AND UTILIZATION OF COBALT AND NICKEL FROM WASTE HIGH MAGNETIC ALLOY STEEL
废高磁合金钢中钴、镍的分离和利用
Control of Relict Element Titanium and Nitrogen in Alloy Spring Steel
合金弹簧钢中残留元素钛与氮的控制
Inclusions in HSLA steel containing 0.065%Ti
含0.065%Ti的高强度低合金钢中夹杂物
Heat Treatment for Medium Alloy Dual-phase Stainless Steel 00Cr22Ni5Mo3N
00Cr22Ni5Mo3N中合金双相不锈钢的热处理
Application of VN Alloy in High-carbon Wire and Rod of WSWRH82B
钒氮合金在高碳钢WSWRH82B中的应用
Chemical Phase Analysis for Nitrogen in Low Alloy Steel Samples of Small Sizes
小尺寸低合金钢样中氮的化学相分析
Corrosion Behavior of Low Alloyed Steels WNHS355 and E36 in Seawater
低合金钢WNHS355和E36在海水中的腐蚀性能