[modeleng] Re: Model Engineers Laser Company

At 07:47 PM 7/21/07 +0100, you wrote:
>I can understand the Oxy/Acet problem because you can easily get the same
>effect on a weld by using a carburising flame (one too rich in Acet which is
>a Carbon Compound gas).  What you've effectively done is turned the material
>local to the weld into hi-carbon steel and allowed it to rapidly cool from
>white-hot. - Andy

Andy,
       This is obviously what happened, although the blanks were cut on an
electric eye "tracer" cutting machine which was in a commercial steel
fabrication shop so one would assume the gas would be accurately
controlled.   Perhaps they were doing some apprentice training that day.

Regards,
Harry

MODEL ENGINEERING DISCUSSION LIST.

To UNSUBSCRIBE from this list, send a blank email to, 
modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.

Other related posts: