Tuesday, August 31, 2010

[MW:6797] RE: 6794] Propane or butane to preheat

No you can use either
John du Plessis
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-----Original Message-----
From: materials-welding@googlegroups.com
[mailto:materials-welding@googlegroups.com] On Behalf Of
eduardocalva@hotmail.com
Sent: 30 August 2010 08:31 PM
To: Materials & Welding
Subject: [MW:6794] Propane or butane to preheat

Could all of you tell me the difference between preheat with propane
and butane?, If a WPS is qualified by preheating with propane but
butane is used in production welds is wrong?

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No comments:

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