[TowerTalk] Help identifying alloy in mast

[Charles Gallo]

On 2020-02-10 10:35, john at kk9a.com wrote:
> ... They have an analysis gun that can show the chemical
> composition of carbon steel....

They are known as a XRF gun, or a Metal Alloy tester - They cost in the 
ballpark of 30K-50K new.  I see them on eBay for 3K-8K.  They basically 
are doing X-Ray Floroscopy, hence the XRF


-- 
Charles Gallo
http://www.thegallos.com