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8620 material being carburized at a .015/.030 case depth with a agma level of 11/13 is seen alot in turbine engines also most transmisions have helical planet and sun gears. this case depth seems to work really well.The only problem we see with carb is distortion. Aerospace Gear and Spline...

Thats right "gear and spline specialist" not material. I have never worked with British standard material, we specialise in material such as inco718, vasomex,4340,17-4,15-5,h-11,a-286,8620,9310,300m,titanium,and other american standard material. I see alot of 8620,4340,17-4 turbine shafts...

Thanks guys you really know your stuff, I found out through chemical analysis what material they were using that is still breaking. The analysis gave a material closes to the analysis and it was bs.835m30, I have never heard of it all I know is it is a British material. Does anyone know what...

The stress it is under can be impulsive. These trucks can put down 600+ hp and 1500+ foot lbs of torque at 1600 rpm. I have noticed companys like sunstrand nitride alot of there spline shafts, but I have delt with the down side of chipped nitrided parts. Also what about shot peening the weak...

probably 8620, of 9310

I have been working with a high performance company. They are having a problem with shaft failure. They have been using 300m you know the material that you cant hardly find for aerospace because the race industery is buying it all up. Well the shafts are still failing, and they came to me to...