牌号 | Sandvik 21.11.LNb |
厂家 | Sandvik Materials Technology |
分类 | Steel |
介绍 | Sandvik 21.11.LNb is a strip electrode used to obtain a corrosion resistant overlay weld deposit on C-, CMn- and low-alloy steels using electroslag welding (ESW) with the flux Sandvik 47S. It gives a 347/E347 chemical composition when used in single-layer technique. It can also be combined with Sandvik 19.9.LNb for the second layer to obtain a 347/E347 weld deposit. There are also other possible combinations and conditions. Applications Sandvik 21.11.LNb is used for corrosion resistant weld surfacing of components in the chemical, petrochemical industry. Typical components are pressure vessels, heat exchangers, shafts, industrial piping etc. It is very common in petrochemical applications. It is often used as transition layer on which a second layer is welded, using 19.9.LNb for better corrosion resistance |
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