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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
- non - quenched and tempered steel 非调质钢
- Alloy steel 40Cr quenched and tempered to HRC 28 was chosen to investigate the regularities of the change of surface integrity after grinding. 本文叙述了40Cr合金结构钢在调质处理状态(HRC28)下,经磨削加工后表面质量的变化规律。
- 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。
- The practice shows that it is reliable,convenient and efficient when used in heat treatment process,especially in quenched and tempered process. 实践证明,将之应用于热处理生产过程,特别是淬回火过程时,不仅安全、可靠,而且灵活、高效。
- 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 plates shall be fully killed and shall be fine austenitic grain treated. They shall be normalized, normalized and tempered or quenched and tempered. 钢板应为全镇静钢且经奥氏体精细粒度处理。规格化的,规格化及回火的或淬火及回火。(译文请指正)
- All heat treatment by quenching and tempering. 所有萃取和回火的热处理方法。
- 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。
- This research studied the effects of quenched and tempered microstructure on the medium and low temperature impact toughness of grade CA-is martensitic stainless steel. 摘要本研究系探讨CA-15麻田散铁不锈钢铸件,经沃斯田铁化与回火处理后,材料组织改变及中/低温冲击韧性变化的情形。
- The result shows that the satisfactory weld quality of the quenched and tempered 30CrMnSiA steel with LBW will be got easily. The weld crack and the obvious change of performance at the heat-affected zone are not appeared. 结果表明 ,采用激光焊接调质状态下的 30CrMnSiA钢 ,易获得质量优良的焊缝 ,不会出现常见的焊接裂纹和明显的热影响区性能变化 ;
- 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。
- quenched and tempered (Q&T) steel 调质钢
- quenched and tempered 40Cr steel 40Cr调质钢
- non- quenched and tempered steel 非调质钢
- quenched and tempered high tensile strength plate 调质高强度钢板
- N80 Grade Non- Quenched and Tempered Steel N80级非调质钢