The invention discloses a high-frequency resistance welding (HFW) steel pipe welding production process for a low-temperature-resistant station. The process comprises the following steps of: analyzing physical and chemical properties of a rolling plate to guarantee the weight percentage of the chemical...
Friction stir welding is a solid state joining process. HFW Solutions creates high quality, cost effective friction stir welded solutions. Learn more > Contact HFW
and In the welding process, HFW steel pipes do not need to add filling meta. So it has fast welding speed and high efficiency in production. HFW pipe is widely used in the fields of oil and gas transportation, oil well pipeline, building structure and various kinds of mechanical pipe. How...
metal may reach the same level of toughness, which is submerged arc welding process can not be achieved.
treatmentprocess.Thestrengthandimpactof theseamcompletelymeetsthehighrequirements. Furthermore,the performanceoftheseamreachesthatofpipebody. KeywordsOff-shorelinepipe,forming,welding,seamheat treatment,impact,tensile 1引言 随着板材性能的提升和焊管质量的提高,HFW焊管 ...
After optimizing HFW steel pipe forming and welding process, X60M grade Φ323.9 mm×10 mm HFW steel pipe for supercritical carbon dioxide conveying has been developed. The low temperature impact toughness, tensile strength, hardness, flattening and hydrostatic blasting tests are carried out. The ...
ERW tube is "high frequency resistance welded steel tube", which is different from the welding process of ordinary welded tube. The weld is made of the base material of the steel belt body, and the mechanical strength is better than that of...
%The properties of C90 grade corrosion resistance HFW (high-frequency welding) casing, by adopting HFW+ hot stretch reducing+quenched-tempered heat treatment for the pipe full body process were analyzed and researched from several aspects, such as properties of strength and toughness, microstructure,...
4) High frequency welding 高频焊接 1. Study on process control for high frequency welding based on expert system; 基于专家系统高频焊接过程控制的研究 2. The micro-character of weld line in copper tubes with inner grooved by high frequency welding for air-conditionings and refrigerators was ...
ERW piperefers to electric resistance welding pipe. It’s one kind of welded pipe without flux.ERW pipe is manufactured from the longitudinal welding of steel. The welding process for ERW/HFW pipe is continuous as opposed to welding of distinct sections at intervals.ERWprocess uses steel coil ...