Advanced High Technology, Metals
Mitsubishi Alloy No. 6B
Alloy 6B exhibits resistance to abrasive wear approximately ten times that of Type 316 stainless steel. It is excellent in metal-to-metal wear and cavitation-erosion, as well. The alloy performs exceptionally well in wear at elevated temperatures.
Alloy 6B has excellent corrosion resistance at temperatures up to boiling in Acetic and Formic acids at all concentrations, and in Nitric and Phosphoric acids ad concentrations up to 30%; it is resistant to sulfuric acid at room temperature at al concentrations, and at 150 F (66 C) p to 30% concentration of Sulfuric acid.
Alloy 6B can be machined using tungsten-carbide tools, and can be readily ground. A highly reflective surface finish can be attained by lapping with appropriate abrasives.
Forming of alloy 6B is usually done at temperatures of 1500 F (816C) or above to increase ductility and reduce resistance to deformation. Thinner plates and sheets can be press or roll-formed at room temperature if the radius of bend in not unreasonably small.
Welding by TIG, MIG, SMAW, and A-0 methods in that order of performance can be accomplished with alloy 6B. The alloy should be preheated to 1000 F (538 C) and slowly cooled after welding to avoid cracking.
The alloy can also be brazed satisfactorily employing silver brazing
compounds and taking care to slowly cool from the brazing temperature.
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