If welder do welding on less than minimum 73 mm OD of pipe He able to qualify on minimum 1" pipe 25 mm OD pipe. Below 1" welder will have to do test on whatever doa required.
Kind Regards,
Mohit Aggarwal
On Sat, Aug 31, 2019, 00:23 Raghul <raghul351991@gmail.com> wrote:
Welder made two coupon
1. Coupon with 6 mm thickness on the 1/2" pipe made by gtaw process
2.coupon with 15 mm thickness on 2-7/8" pipe made by gtaw+smaw process.
Is the welder qualify to weld on 1/2" pipe with gtaw+smaw process for qualified thickness?
Please explain
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