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Ansi Astm A216 Wcb Valve

Astm a216 standard for steel casting suitable for fusion weld.Astm a216 covers carbon steel castings for valves, flanges, fittings, or other pressure-containing parts for high-temperature service and of quality suitable for assembly with other castings or wrought-steel parts by fusion welding.Three grades, wca, wcb, and wcc, are covered in this specification.