2009年11月6日 · Working on an application for a CV axle. Material called out for the cage in the supplier print in the CV joint is 20CrMnTi. This material was said to be equal to SAE 8620. I …

2005年3月24日 · Have been told this is equal or better than 8620 for gears which have hardness of RC 58-62. Can anyone comment on this? Chemicals are quite different. The 20CR material …

2005年9月14日 · Hi, I was asked this question by a friend who works with gears. They use to make gears with 20CrMn steel (carburized+quenched) and their usual suppliers are off