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AWS D1.1/D1.1M

AWS D1.1/D1.1M

AWS D1.1/D1.1M

(OP)
Has anyone purchased the AWS D1.1/D1.1M for 2004?  What is the purpose of the "M" in D1.1M?  Is the D1.1M essential?
Is the D1.1 alone sufficient?

I don't like to be cheap.  But I don't like to spend an extra $200 if not necessary.

Any comments?

Thank you!

RE: AWS D1.1/D1.1M

M - Metric

RE: AWS D1.1/D1.1M

D1.M denotes metric units inclusive to the code (similar to ASTM A 6/A 6M).

There are a few changes between the 02 and 04. The most notable being:
*Text is revised to clarify the Engineer's approval requirements.
*CV power supplies are now required for GMAW/FCAW.
*Additional prequalified material specifications.
 

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