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ỤWA BOILER

  • Boiler Tube A179 A192

    Ọkụ ọkpọ ọkpọ A179 A192

    ASTM A179——– Standard nke American Society for Testing & Materials
    A na-eji tubed okpomọkụ Exchanger, condenser na ihe ndị yiri okpomọkụ na-ebuga ngwá ọrụ; Isi ọkwa: A179
    ASTM A192-—- Standard of American Society for Testing & Materials na-eji maka elu mgbali min. Wall ọkpụrụkpụ enweghị nkebi carbon steel ji esi mmiri ọkụ na Superheater tube; Isi ọkwa: A192