Steel recommendation, please?

[tomwalz]

Steel recommendation, please?

We are looking for a hardenable steel that will fully harden when brazed at app. 1300 F.

Plan B. How close can we come?


Thanks,
Tom


Thomas J. Walz
Carbide Processors, Inc.

http://www.carbideprocessor.com

 

[TVP]

Tom,

Just to clarify, you want a steel that will develop very high strength after exposure to 1300 F brazing temperature, or basically tempering at 1300 F?

 

[Salvatio]

perhaps he is looking for secondary hardening steels?

 

[arunmrao]

I visited your website and liked the products. What perhaps you are looking for is that steel gets hardened during a tempering cycle. As I find that your applications look for tool steels category. Please suggest if this line of thinking is correct.

 

[swall]

Just curious about the brazing. Didn't think there were any that melted as low as 1300F, now that cadmium containing alloys have kind of gone away.

 

[tomwalz]

Thank you all.

We are brazed tungsten carbide people and definitely not steel people. In some saw blades they cut slots in the body and braze in strob strips that are the width of the saw teeth. These serve to move the sawdust out of the cut and to help center the saw blades.

The company that used to sell these in steel no longer does. They are available in carbide but steel is preferable since the saw bodies flex.

These parts are brazed in using braze alloys (filler metals ) that work at about 1300 F see:

http://www.carbideprocessors.com/Brazing/book/12.htm

Currently the customer is cutting them out of old M2 knives using an abrasive wheel. We have done the same and this is not a good project.

Ideally we would have a steel that is easy to cut and that will be hard after we braze it on at 1300F.

0186 from Sharon steel and Boron steel called Tuff Steel form Plaanja have been recommended from one source. Another source recommended 1090. As I understood it the 1090 should be readily available and have the ability to retain sharp edges under wear even after brazing.

We currently have an order for 500 parts .125” x .155” x 2.00” in whatever steel we recommend.

We would like to help a customer and this could be a nice, small product line but we are definitely not steel people.

Thanks,
Tom

P.S. Since they drastically reduced exposure limits for Cadmium its use in braze alloys has dropped precipitously but there are other braze alloys.


Thomas J. Walz
Carbide Processors, Inc.

http://www.carbideprocessor.com