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  1. thebuckstopshere

    AISI 4130 Pipe Welding Issue

    I agree with gtaw, E8018-B2 is commonly used for low chromes similar to 4130. Root pass can be difficult with SMAW using low-hydrogen electrodes. Technique is very different from cellulose type electrodes. GTAW process is more commonly used for root pass on piping using ER80S-B2 filler material.

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