40CrMnTi特性及適用范圍：是性能良好的滲碳鋼，淬透性較高，經滲碳淬火后具有硬而耐磨的表面與堅韌的心部，具有較高的低溫沖擊韌性，焊接性中等，正火后可切削性良好。用于制造截面30mm的承受高速、中等或重載荷、沖擊及摩擦的重要零件，如齒輪、齒圈、齒輪軸十字頭等。是38CrMnTi的代用鋼，廣泛用作滲碳零件，在汽車.拖拉機工業用于截面在30mm以下，承受高速.中或重負荷以及受沖擊.摩擦的重要滲碳零件，如齒輪.軸.齒圈.齒輪軸.滑動軸承的主軸.十字頭.爪形離合器.蝸桿等。

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40CrMnTi characteristics and scope of application: It is a well-performing carburized steel with high hardenability. It has a hard and wear-resistant surface and a tough core after carburizing and quenching. It has high low temperature impact toughness and medium weldability. Good machinability after normalizing. It is used to manufacture important parts with high speed, medium or heavy load, impact and friction of 30mm section, such as gears, ring gears, gear shaft crossheads, etc. It is a substitute steel of 38CrMnTi, widely used as a carburizing part. It is used in the automobile and tractor industry for important carburizing parts such as gears. Axis. Ring gear which is subjected to high speed, medium or heavy load and shock and friction. Gear shaft, main shaft of sliding bearing, crosshead, claw clutch, worm, etc.