Description
OK Tigrod B3 SC is a low-alloy chromium-molybdenum copper-plated rod designed for gas tungsten arc welding (GTAW) of heat-resistant low-alloy steels with a content of 2.25% chromium and 1% molybdenum, such as SA-387 type 22, A335 type P22 and similar materials, when it is necessary to achieve the highest values of impact toughness after heat treatment with step cooling. The extremely low content of undesirable impurities ensures a Bruscato factor of no more than 10 ppm. This is required by modern industry to ensure maximum resistance to high-temperature embrittlement of the product with a long estimated service life. Post-weld heat treatment is usually performed after welding. The rod is intended for use in oil refineries, in the petrochemical and chemical industries, energy production, the manufacture of high-pressure vessels, etc.
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