Alloy AL-6XN SS Weldability

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All techniques except oxyacetylene welding have been effectively utilized with Alloy AL-6XN. While a filler metal of type 316 stainless may be adequate for some applications, it is preferable to employ a higher alloy for example 625, or C-276 for maximum performance.

Applications
  • Reverse osmosis desalination equipment and pumps
  • FGD Scrubbers
  • Chemical process tanks and pipelines
  • Seawater heat exchangers
  • Tall oil distillation columns and packing
  • Offshore oil and gas production equipment
  • Pulp bleaching plant washers, vats, press rolls and pipelines


Chemical Composition %

GradeCN Si PS CrMnFe NiCuMo
Alloy AL-6XN 0.030 max 0.18-0.251.0 max 0.040 max0.030 max 20.0-22.0 2.0 max Remainder 23.50 - 25.500.75 max6.0 - 7.0
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