Tuesday, April 1, 2014

[MW:20451] qw 403.9

Dear expert

Can anybody tell me the meaning of qw 403.9
 for single pass or multipass welding  in which any pass is greater than 13mm thick, an increase in base metal thickness beyond 1.1 times that of the qualification test coupon.

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[MW:35346] Cast-iron welding

Any advice for cast iron welding Sent from Yahoo Mail for iPhone