鋼材預熱 的英文怎麼說
中文拼音 [gāngcáiyùrè]
鋼材預熱
英文
steel preheating-
With an introduction of the influences of the final quality of rail aluminothermic welding, such as : the quality of welding kits ( esp. the portion ), the result of pre - heating, the welding operation and the level of operators etc., this paper analyzes some problems when rail welding under special conditions
摘要介紹了焊接材料質量、預熱效果、操作人員水平等因素對鋼軌鋁熱焊接接頭質量的影響，以及幾何誤差不同、軌頭寬度不等、寒冷氣候等特殊條件下進行鋁熱焊接應注意的問題。The new developments of htm station technique were introduced from the aspects such as changing the htm pipeline type in pet htm station, increasing the switch forms of steam atomization and compressed air atomization, increasing the steam generator, sending stripping tower off - gas to combination and using new material nd steel in air preheater
摘要從改變聚酯熱媒站的熱媒爐熱媒管線形式、增加蒸汽霧化與壓縮空氣霧化的切換形式、增加蒸汽發生器、汽提塔尾氣送燒、空氣預熱器採用新型材質nd鋼等方面介紹熱媒站技術的新發展。Prepainted hot - dip zinc - coated steel sheets and coils
預塗膜熱浸鍍鋅薄鋼板和卷材Bell type furnace is mainly used to steel strips, steel plantes, copper strips, copper plates and other metal parts for bright anneal and normal anneal heat treatments. according to the technics, the process of preevacuation. heating, protecting atmosphere gew or non oxidation heating, air cooling, fast colling and slow cooling treaments can be executed
罩式爐主要是用於鋼帶、鋼盤圓、銅帶、銅盤圓及其它金屬材料及零件的光亮退火和一般退火工藝，根據熱處理工藝的要求，可對熱處理工件進行預抽真空、加熱、保護氣氛少無氧化加熱、空冷、快冷及緩冷處理。This segregation behavior of sn accords with the mechanism of non - equilibrium segregation. it can be obtained through the theoretical calculations that the critical time of sn non - equilibrium segregation is 124 seconds at 750 and the critical cooling rate is 8 / s when cooling from 1320. it is suggested that controlling the cooling rate during continuous casting to avoid the critical cooling rate ( 8 / s ) and avoiding high stress near the trough temperature ( 750 ) may control the form
通過研究殘留元素sn的偏聚機制及其對o . 15wt . % c鋼熱塑性的影響，對試驗鋼進行脆性預測:建議在該鋼的連鑄過程中彎道矯直溫度盡量避開塑性谷底溫度750 ，二冷區的冷速盡量避開臨界冷卻速率8 / s ，從而可以減少該低碳鋼連鑄坯表面裂紋和橫向裂紋，提高其成材率。Prepainted hot - dip zinc - 5 % aluminium alloy - coated steel sheets and coils
預塗膜熱浸鍍鋅. 5 %鋁合金鍍層薄鋼板和卷材分享友人