Who are the go to companies for non-destructive hardness testing?

marcusja2002

Involved In Discussions
#1
As the title says, we are looking for a hardness tester, and I just became aware of the ultrasonic non-destructive testing (why has no one told me about this before, been around for 50 years).

Any-who, just wondering who the go to companies are / units I should be looking at for best bang for the buck. We have large components that need to be measured so it would be difficult to bring the components to the tester. We also have everything from 16 gauge items to 1000lbs I beams.

Thanks in advance.
 
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John Broomfield

Staff member
Super Moderator
#2
The ASTM A1038 ultrasonic contact impedance (UCI) method to measure the hardness of metals and alloys with a minimum thickness of 2 mm / .08 in.

Ultrasonic hardness testing is considered nondestructive, as it creates a microscopic indentation only visible when using a high-powered microscope.

Why not buy the equipment and do it yourself?
 

marcusja2002

Involved In Discussions
#3
That was the intent of the post. Which companys make the best bang for the buck ultrasonic testers. I'd like to buy one, I just dont know the go to companies. I know the companies to go to for calipers Mahr or Mitutoyo, I just dont know the right companys for ultrasonic hardness testing.
 

John Broomfield

Staff member
Super Moderator
#4
Selection of the most suitable ultrasonic hardness test device depends on the material being assessed and its situation.

TWI offers this advice:

Reliable methods of portable hardness testing - TWI

Our colleagues here may chip in with their experiences.

But ultimately you want a device that provides comparable results, so why not ask your customers, suppliers or competitors what tool they use to test items similar to yours?
 
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