High quality of ultra-high-strength steel structures can be produced by choosing welding method and processing parameters as well as enhanced quality control of welding and manufacturing process including causes of cold cracks,prevention measures and reasonable choice of processing parameters.
针对超高强钢的焊接作出了较详细的介绍和分析,合理地选择焊接方法及工艺参数,加强焊接与制作过程质量的控制,完全能制造出高质量的超高强钢结构件,主要包括其焊接时易产生焊接冷裂纹的原因及防止措施和如何合理选择工艺参数。
Using the data collected in weld ability test of 37 mm WEL-TEN610CF steel for the first set of domestic 10 000 m3 nature gas spherical tank,a synthetic evaluation to cold crack sensitivity of WEL-TEN610CF steel was given,it can be reference to preparing welding procedure.
WEL-TEN610CF钢是日本新日铁公司生产的低裂纹敏感性高强钢,结合我国首台国产化10 000 m3天然气球罐用37 mm厚WEL-TEN610CF钢焊接性试验研究,对该钢焊接冷裂纹敏感性进行了综合评定,为其焊接工艺的制订提供了可靠的依据。
On the basis of welding interlayer temperature range,the method of prevention cold crack in the welded joint is established.
针对涩北至格尔木天然气管道复线建设中采用的X60管线钢,根据试验,分析了常温与低温焊接时层间温度变化对管口焊接质量的影响,并指出了防止涩格天然气管道焊接产生冷裂纹的工艺措施。
Study of cold cracking susceptibility of CO_2 gas shielded arc welded SA106C cast steel using implant tests;
用插销法研究CO_2气保焊条件下SA106C铸件的冷裂纹敏感性
By using implant test, a mass of implant samples of super-high strength steel 30CrMnSiNi2A were applied to study cold cracking.
对超高强钢30CrMnSiNi2A抗冷裂纹能力进行了大量的插销试验,结果表明:在退火和调质两种热处理状态下,熔合区是对冷裂纹最敏感的区域;同时发现采用光滑插销试样评估超高强钢抗冷裂纹能力的尝试是可行的。
The implant test of welding cold cracking was adopted in this paper to study the sensibility of welding cold cracking about steel20MnMo .
采用焊接冷裂纹插销试验方法,研究了20MnMo钢的焊接冷裂纹敏感性。
Samples of hot rolled steel plate Q235 in various specifications having cold bending cracks are examined by means of Metallographical test and electron probe analysis.
对不同规格的Q2 3 5热轧钢板冷弯裂纹试样进行了金相检验和电子探针等分析。
Formation of cold bending crack of EAF-CSP hot rolled strip was studied.
分析了珠钢EAF—CSP工艺生产的热轧带钢冷弯裂纹的形成原因。
To counter this problem of cold bending crack of the hot rolled ribbed bar (HRB335),the main cause and the appropriate measure are taken to solve the problem.
针对新钢公司HRB335热轧带肋钢筋冷弯裂纹问题,找出了影响的主因,采取了一系列相应措施后,冷弯裂纹问题得到解决,并进一步提出了改进建议。
The Study of Cold Cracking Susceptibility of 11MnNiCrMoV Steel Plates;
11MnNiCrMoV钢冷裂纹敏感性研究
The results show that the steel has low weld cold crack sensitivity.
结果表明,该钢具备低的冷裂纹敏感性。
The steel had low sensitivity to welding cold cracking.
该钢具有很低的焊接冷裂纹敏感性。
Study on Cold Cracks Sensibility of Spherical Tanks by Re-welding
在役球罐再次组焊冷裂纹敏感性研究
Study of cold crack initiation and propagation of compacted graphite iron weld
蠕墨铸铁同质焊缝冷裂纹启裂与扩展研究
The results suggested that the steel has low weld cold crack sensitivity.
结果表明,该钢具备较低的冷裂纹敏感性。
Generation Reason Analysis of Cold Crack in Welding Joint of Automobile Variable Speed Control Handle
汽车变速操纵杆焊接接头冷裂纹产生原因分析
Cold cracks will be avoided when the width and height of cavity is accurately chosen.
文章通过试验确定了最佳的空腔尺寸，此时可防止冷裂纹的产生。
Research on the Welding Cold Crack Sensitivity of the New Type of WNQ570 Steel for Railway Bridge
新型铁路桥梁用WNQ570钢焊接冷裂纹敏感性试验研究
Study on Formation Mechanism of Gray Iron Welding Cold Crack by Finite Element Method
基于有限元法对灰口铸铁焊接冷裂纹形成机理的研究
CRACKING ANALYSIS OF STAINLESS STEEL BELLOW IN A BLAST FURNACE COOLING SYSTEM
某高炉冷却用不锈钢波纹管开裂分析
The Analysis of Crystal Crack of T23 Waterwall Tube-fin
T23水冷壁管排鳍片焊缝裂纹的分析
CAUSE ANALYSIS OF THE CRACK ON THE FLANGE FOR MEDIUM TEMPERATURE SHIFT COOLING SYSTEM
中变空冷入口管线法兰裂纹原因分析
Analysis and treatment for crack defects in bending waterwall tube of cold ash hopper
锅炉冷灰斗水冷壁弯管裂纹缺陷的分析处理
Summarization on Fatigue Grack Growth of Graphites in HTGR
高温气冷堆石墨材料的疲劳裂纹扩展综述
Research on cold bending and re bending crack of remained heat treated reinforced bar and the elimination measures
余热处理钢筋冷弯反弯裂纹消除措施研究
Analysis and Control on Surface Crack of Cold Heading Steel;
冷镦钢的表面裂纹成因分析及其控制方法
Examination and Treatment for Fatigue Cracks in Water-fall Rising Tubes
锅炉水冷壁上升管插座疲劳裂纹检验及处理
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