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Up Topic Welding Industry / Welding Documents & Downloads / WPS
- - By Efrain Garrillo Date 04-03-2019 15:10
Hello,
Material AISI SAE 4130 (unlist in QW-422) can be weld wich P No.1 Gr1 (API 5L Gr. B) , we need:
develop new WPS/PQR?
for this dissimilar material, require preheat and PWSR?
Parent - By 803056 (*****) Date 04-03-2019 21:54
Look at ASTM A387 Grade 11. It may meet the requirements of 4130. ESAB sells filler metal specifically for 4130. Preheat is fairly high and is based on thickness.

Al
Up Topic Welding Industry / Welding Documents & Downloads / WPS

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