CASE STUDIES H I Fraser, headquartered in Sydney, Australia, manufactures products that are used in pneumatic, hydraulic and hyperbaric ?uid systems. When the company required a material to manufacture nuts in a gas supply system, they turned to Columbia Metals for the supply of DEF STAN 02-833. “We use this material in a NAB nut in a half coupling for a 400 bar gas supply system,” explains Igor Korgo, Manufacturing Manager at H I Fraser. “DEF STAN 02-833 o?ers high strength, corrosion resistance and above all it is readily machinable. We use this alloy in a variety of high pressure gas systems and medium pressure salt water applications. “We use Columbia Metals as our supplier as we always receive a consistent quality of material, as well as excellent certi?cation and documentation and ve

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