voestalpine Böhler Welding

焊条

Böhler Welding DRY SYSTEM is the efficient alternative for costly climate controlled storage and handling procedures, providing “oven dry” stick electrodes straight from the vacuum packaging. DRY SYSTEM avoids the necessity of re-drying, and use of holding ovens and quivers in welding applications with a potential risk of hydrogen induced or hydrogen assisted cracking. Safe welding with low-hydrogen weld metal is assured up to nine hours after opening the vacuum pack.

使用焊条的手工电弧焊流程

在手工电弧焊流程中,涂覆棒电极的主要功能在于形成保护气罩,此外,其会形成熔渣,以防护焊接金属小滴与空气中的氧气接触。涂覆的其它功能包括焊接金属的脱氧、金属回收率的提高、零下温度的机械性能、定位焊接性能及流动性能。涂覆类型主要分为三种:金红石、基础或纤维素涂层棒电极以及上述类型的混合。

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