优质钢

采用COREX设备生产低成本优质钢

COREX based Mini mills low cost production of high quality steel

试验证明，海绵铁能够稀释钢中S、P等有害残余元素，适合于生产优质钢，其用量以不超过20%为宜。

The experiments prove that the sponge iron can dilute of harmful impurity in liquid steel , for example , sulphur , phosphorus , etc. It is applicable for quality steel production and its used quantity of no excess of 20 % is better .

以理论为依据，通过采用多种二冷方案，优选出Q235B319mm×410mm的二冷工艺参数，为生产同类型的优质钢提供参考。

On the basis of relevant theory , through some programs of the second cooling water , optimizing the plan for the second cooling technology parameters of 319 × 410 strand and supplying reference for producing the same type quality steel , a contrast test is made .

坩埚法：生产优质钢或工具钢的工艺。

Crucible process : Technique for producing cast or tool steel .

为炼出优质钢他完善地改进了生产流程。

He perfects the process for making high - grade steel .

半熔态铸造法生产优质钢产品

High Quality Steel Products Produced by the Semi-Molten Casting Process

氮化对优质钢轧制的影响

The influence of nitrogen treatment to high quality steel

为优质钢生产服务的中国铁合金工业

Chinese ferroalloy industry serving high quality steel production

工厂生产了更多的钢材，而且都是优质钢。

The factory produced more steel , and all of fine quality at that .

该直接还原铁是电炉冶炼优质钢和特殊钢的理想原料。

Such DRI is a high quality charge for electric arc furnace steel making .

转炉优质钢顶锻质量与低倍缺陷分析及控制

Analysis and Control on Heading Quality and Low-time Defects of Quality Steel Produced with Converter

冶炼试验也证明：海绵铁更适用于巧炼优质钢和纯净钢；

Smelting experiments also prove that sponge iron is more applicable to smelt high-grade steel and pure steel .

结果表明，采用磁粉检验方法对航空优质钢进行纯洁度检验是可信的。

The final results show that the magnetic particle inspection method is acceptable for the cleanliness inspection of aircraft-quality steels .

重钢制定特殊优质钢冶炼、浇注工艺一般规定的实践

Practice of constitution of the common regulation about the steelmaking and CC process of the specific high quality steel in Chongqing Steel

所有传动轴、辊材质均为优质钢，高精度动平衡校正，镀硬铬、表面研磨。

All the transmission axle and rollers are made of high-quality steel with high-precision dynamic balance , plated with rigid chrome and grinded surface .

本公司生产的轴承全部采用优质钢，100%经过探伤处理。严格按照工艺规程生产，执行国家和机械部轴承行业标准。

The company adopts quality steel and100 % crack detection , and produces in line with trade standards of the State and Machinery Department .

阐述了优质钢及合金钢连铸坯热装时产生热脆的机理及解决连铸坯热送热装时钢的热脆的途径。

The mechanism of hot-shortness of high-quality steel and alloy steel continuous casting billet in hot charging and the ways to resolve it are discussed .

液压缸体用优质钢焊接而成，活塞式液压泵活塞杆、泵芯镀硬铬，耐磨、耐腐蚀。

Top quality hydraulic pump with welded construction , pistion hydraulic pump , Hard chrome plated pistion and pump plunger ensure durability and corrosion resistance .

滚筒采用优质钢，内部调质表面研磨并平衡处理，增加运转平稳性；

The roller is made of the high-quality steel , and the inner quenched and tempered surface is ground and balanced to improve the operation stability ;

当叶片转子与传统的优质钢定子共同配套使用时，它不会产生粘连，噪音低。

When the rotor blade with the traditional high quality steel stator supporting the use of common , it does not produce adhesion , low noise .

采用优质钢线，制造出质量上乘的铁单线圈，并能符合欧美环保、安全检测要求。

Quality steel wire , to create a high quality iron single coil , and conform with Europe and the United States environmental protection , safety testing requirements .

大缸径油缸全部采用优质钢整体锻打结构，密封结构采用当前世界上最先进的无泄漏七层组合密封技术。

Large diameter steel tanks , all of the overall quality of Beating structure , Seal structure without using the world 's most advanced combination of the7-leak sealing technology .

经过上述处理后，再向结晶器喂稀土包芯线，就可生产管线钢、汽车大梁板和耐候钢等优质钢。

After treatments above , the rare earth cored wire is fed into mold when the quality steels such as line pipe , automobile frame steel plate and weather-resistant steel etc.

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 .

经生产检验，采用中间包内型优化方案（优化挡墙+湍流控制器），提高铸坯内在质量效果显著，为生产优质钢创造有利条件。

The practical application indicates that the inner profile optimization ( including the optimized weir and the turbulence inhibitor ) has a distinct promotion to the slab quality and makes a favorable condition for production of high quality steels .

介绍了中国铁合金工业发展概况，重点叙述了近年来为满足合金钢、特殊钢和优质钢炼钢工艺的需求，所投入工业化生产的纯净铁合金和工艺性能优良的特种复合合金。

A survey of development of Chinese ferroalloy industry is presented in this paper , emphasis on the pure ferroalloy and the particular compound alloys with excellent working properties commercial produced in recent years to meet the requirement of quality and special steel making process .

刺刀刃是用最优质的钢锻造的。

A bayonet blade is forged from the finest steel .

RH真空精炼是大批量生产优质纯净钢的重要手段。

RH vacuum refining technology is a powerful method of producing clean steel .

HDPE及优质镀锌钢钉。

HDPE with zinc coated steel nail .

阐述45优质窄带钢的开发，结合CCT曲线介绍轧制变形量、冷却强度对产品性能的影响。

It is introduced the development of 45A narrow strip and introduced the influence on the production performance by the deformation and the strength of cooling by CCT curve .