Stainless Steel Friction

[UAK]

Hello,

I am looking for the friction factor between stainless steel to carbon steel. Any thoughts are greatly appreciated.

Thank you.
AKU.

 

[nickelkid]

clean steel on steel 0.8, lubricated 0.16 - Machinery's Handbook

I imagine stainless versus carbon steel may be a bit different, but the above is what I would start with

 

[UAK]

Thanks RobinHandy. but if you know any info about carbon steel to stainless... we are designing a guide support so wanted to use stainless steel as to reduce friction.

 

[nickelkid]

UAK, If you are trying to reduce friction why would you not use a PTFE or other slide plate material suitable for the application?

 

[BigInch]

Sanity check!
I wouldn't count on steel/steel of any kind reducing friction to any significant amount to be important to your final result. If that is the difference of pass/fail, you're in deep trouble.

"People will work for you with blood and sweat and tears if they work for what they believe in......" - Simon Sinek

 

[UAK]

I want to use stainless steel material as guide bars and base plate. There going to be a slide bearing underneath the base plate.

 

[DSB123]

Here we go again on the subject of friction between steel surfaces. I agree with BigInch on this point. Friction factors vary vastly dependant upon the condition of the surfaces. In an industrial situation steel to steel can be as high as the 0.8 value given by RobinHandy. What amazes me is the insistance on certain Companies to adopt the value of 0.3 for steel to steel friction factors for situations where , for example, the pipework is located on an offshore platform. It might be 0.3 for the initial installation but after a few years the friction factor would be well above 0.3. When you bring this up and say the assessment is incorrect using 0.3 the response is generally "That's what we always use" .