精品视频一区二区在xx视频网站_国模精品视频一区_久久精品一区二区三区_国产成人自拍视频_日韩高清一区二区三区www_日韩一级在线免费观看_99精品国产高清一区二区_日本一区二区三区在线视频亚洲线一区二区三区_色婷婷网_日本人妻在线网址_国产网红主播AV网站_狠狠色丁香婷婷综合_欧美在线视频不卡一区_国产人妻人伦精品久久久_国产精品激情久久

Exothermic Gas Generator Parameters

Main use：

Exothermic atmosphere is a kind of protective atmosphere. Thick exothermic atmosphere is mainly used as heat protector during annealing and normalizing process for casting and forging parts, brightness annealing and quenching process for mild steel and medium carbon steel, tempering process for steel parts. Thin exothermic atmosphere is usually used in brightness treatment process for copper and copper alloys, annealing process for forgeable cast iron, bluing treatment and blacking treatment.

Exothermic Gas Generator Parameters：