Gleason hob material marked as: G30 what material?
Tool design post ASP 2030 is closer to S590
Gleason mark tool materials are: REX45, REX54 general REX76, G30, G50 but the same tool, G30 tool label tagging REX54 price than the price is much lower, and the M35 tool almost, so I suspect that this material is M35
Durability of the tool depends on the tool material and heat treatment hardness, different processing conditions, the selected material is different, the price tool of different materials are not the same, as consumers should have the right to know the Gleason, G30, G50 in terms of customers do not know what material, how to know and price.
The estimate is similar to M35, because there is a higher grade of G70, which is equivalent to powder metallurgy high speed steel! I have seen their material introduction, and now I forgot