Sharon

Topic: Solution for NSST above 240H with wearable surface

We are now in the situation to get a finish solution to meet 240H NSST for a steel shaft. The tolerance of its diameter is 0.01mm. The finish calls for high hardness and good wearable function. Any idea is welcome.

Thanks in advance.

skip

Re: Solution for NSST above 240H with wearable surface

Sharon; Isn't this a maritime spec. Like provided by 'Deep Blue' marine hardware and by 'Buck Marine Hardware'?

I'm dumb enough to not know what a "a finish solution to meet" really means. Is this just the hardness of the stock or a coating process applied to the stock.

Confused skip. I just reread all of your former posts and am really way in over my head. Hope someone can help out here.

Just guessing..

Last edited by skip (12/18/2009 - 04:47 PM)

Your Best Finish Starts Here

Sharon

Re: Solution for NSST above 240H with wearable surface

Thanks for your interested in my post and response.

It is not a spec, we are trying to find an appropriate surface treatment to get high corrosion resistance ability on heat treated steel shaft with thickness as thin as possible.

jimtrottier

Re: Solution for NSST above 240H with wearable surface

Sharon,

Sounds like a hard chrome job to me.

    Jim