welding of Nelson studs to HP profiles

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Aug 13, 2016, 1:01:00 AM8/13/16

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We have welding of Nelson studs to HP profiles

do we need to have WPS/PQR?

Please advice

Regards,

H.A

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Sep 1, 2016, 3:15:36 AM9/1/16

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AWS D1.1-2015 chapters 7.
hanyon於 2016年8月13日星期六 UTC+8下午1時01分00秒寫道：