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- The effect of rolling processes on microstructure and properties of non quenched and tempered steels for oil well tube with various composition was studied. 研究了轧制工艺对不同成分的非调质油井管钢组织与性能的影响,并分析了不同组织对韧性的影响。
- Keywords non quenched and tempered steel;conver tersmelting;development; 非调质钢;转炉冶炼;开发;
- non quenched and tempered steel 非调质钢
- The methods of control of sulphide inclusions in S - bearing non - quenched - tempered steel manufactured byconverter are investigated in this paper. 本文研究了转炉生产含硫非调质钢中硫化物夹杂的控制方法。
- non quenched tempered 非调质钢
- non - quenched and non - tempered steel 非调质钢
- non - quenched and tempered steel 非调质钢
- Being compared with the normalized steel,the quenched and tempered steel can led to a joint with higher strength and toughness. 正火态与调质态母材相比,后者可得到强韧性较高的接头。
- Relier of welding residual stress by using strip-shaped dynamite has been investigated on low-carbon steel, low-alloy steel, quenched and tempered steel and autstenite steel. 用条状炸药对碳钢、低合金钢、调质钢和奥氏体不锈钢进行爆炸消除焊接残余应力试验。
- The quenched and tempered steel WH80Q offers high strength, excellent low temperature impact toughness, lamellar tearing resistance and lower aging sensitivity factor. 舞钢研制开发的调质钢WH80Q具有高强度、良好的低温冲击韧性、抗层状撕裂性能、较低的时效敏感性系数。
- The evaluation of measuring uncertainty in metallic material Brinell hardness test is studied by testing the hardness of the 45 quenched and tempered steel. 以45%23调质钢硬度试验为例,研究了金属材料布氏硬度试验中测量不确定度的评定。
- easy - cutting non - quenched - and - tempered steel 易切削非调质钢
- The application of nonhardened and tempered steel is predicted. 并预测了非调质钢的应用前景。
- Workers tempered steel at various temperatures to increase its strength. 工人们用各种温度使钢回火来增大其强度。
- It's a new process for tempering steel. 这是一种新的炼钢方法。
- It is a new process for tempering steel . 这是一种新的炼钢方法。
- It is a new process for tempering steel. 这是一种新的炼钢方法。
- non- quenched and tempered steel 非调质钢
- Un- quenched and un- tempered steel 非调质钢
- Carbon steels do not require precise temperature accuracy, but induction or radium heaters, maximum and minimum preheat temperatures must be followed closely for quenched and tempered steels. 碳钢不需要精确的温度准确性,但感应或镭暖炉,最高和最低预热温度必须紧随其后,为调质钢。