It also includes application steels for bridges , pipes , pressure vessels , automotive manufacturing , shipbuilding and welding steel grades 它还包括应用于桥梁、管道、压力容器、汽车制造、造船以及焊接钢种等钢材。
Sn - free cutting steel , bi - free cutting steel and graphite free cutting steel without harmful element to human and surroundings will be friendly development material 锡易切削钢、铋易切削钢、石墨易切削钢由于不添加对人和环境有害的元素，是一种非常友好的开发钢种。
This article tells of current situation of cr - mn stainless steel , the price of which is low , the using of which is practical , including the views and prospect of these products 摘要铬锰系不锈钢是一种适合现阶段国内民需使用、价廉、实用美观、具一定耐蚀性的钢种。文章简述了我国铬锰系不锈钢发展近况，铬锰系不锈钢发展的思考与展望。
We are also developing new technologies and products and positively tackling the needs of the era by attempting to reduce the environmental load and supply environmentally friendly materials by developing easy - to - recycle steel 新技术和新产品的开发理所当然的是消减环境负荷物值，开发能方便重新利用的钢种，供应有利于环境的素材等，也积极的致力于时代的需求。
This paper measures the probability fatigue life of steel wh530 and steel wh6 1 odl which come from wuhan steel and iron company and make out their p - s - n curve based on the basic principle of probability fatigue 本文运用概率疲劳的基本原理，对武汉钢铁公司wdl钢种中的wh530钢和wh610d2钢的标准疲劳试样，通过成组试验方法，测定上述两种材料的概率疲劳寿命，分别做出他们的p - s - n曲线。
Continuous casters are capable of producing square shape billet square billet , rectangle billet slab billet and round shape billet round billet , and the steel brands consist of common carbon steel , high carbon steel , low alloy steel , high alloy steel , stainless steel and etc 连铸机可生产方型钢坯方坯矩型钢坯板坯圆型钢坯圆坯。生产的钢种有：普碳钢高碳钢低合金钢高合金钢不锈钢等。
This kind of steel is a casting material of p91 , with the better performances of high temperature anti - oxidation , high - temperature creep rupture strength , t hermal conductivity and the lower performances of t hermal expansion . there is no casting in chinese 该钢种为p91对应的铸材牌号，材料具有良好的高温抗氧化性能，较高的高温蠕变强度、持久强度和韧性，低的热膨胀性，良好的导热性、加工性等特点。
To study the series wdl steel ? property of probability fracture mechanics , it is not only the foundation of safety assessment and probability analysis to pressure vessel but also the foundation of the study of assessment criterion on pressure vessel 对wdl钢种进行系列规范性的概率断裂力学试验研究，不仅为压力容器的安全评定和可靠性分析打下基础，同时为压力容器评定规范研究打下基础。特别是对首都周围的石化企业中的压力容器安全评定研究。
Annealing cooling processes are classified in accordance with material and thickness of each steel coil in annealing plan , then multi - input and single - output modeling problem for cooling time prediction of hood - type annealing furnace is simplified to a group of single - input and single - output modeling problem 摘要按照退火计划内各钢卷的钢种和厚度对退火中的冷却工艺进行分类，将罩式退火炉冷却时间预报的多入单出建模问题化为一组单入单出建模问题。
Abstract : under the industrial scale test conditions the low carbon bainite steel having characteristics of bainite texture , high strength and toughness is produced by means of adjustment and control of the hot rolling process and the appropriate rolling schedule of the steel accordingly determined 文摘:在工业性试制的条件下，通过对热轧工艺的控制和调整，获得具有贝氏体组织特征的低碳贝氏体钢，该钢种具有高强度、高韧性的性能，并确定了其热轧工艺制度。
