This standard specifies the technical requirements, inspection methods, acceptance rules, packaging, storage and transportation methods for industrial sodium nitrate for heat treatment. This standard applies to sodium nitrate used for heat treatment of aviation product parts.
HB 5411-1988 history
2004HB 5408-2004 Specification for salts of heat treatment for aviation
1988HB 5411-1988 Industrial sodium nitrate for heat treatment
HB 5411-1988 Industrial sodium nitrate for heat treatment was changed to HB 5408-2004 Specification for salts of heat treatment for aviation.