HB 5421-1989
General principles and general provisions of chemical analysis methods for metallic materials (English Version)
- Standard No.
- HB 5421-1989
- Language
- Chinese, Available in English version
- Release Date
- 1989
- Published By
- Professional Standard - Aviation
- Status
- Replace By
- HB 5421-1998
- Latest
- HB 5421-1998
- Replace
- HB 5218.1-1982 HB 5219.1-1982 HB 5220.1-1982 HB 5297.1-1984
- Scope
- This standard specifies the general principles and general regulations that must be followed when formulating (revising) and implementing aviation standards for chemical analysis methods of metallic materials. This standard is applicable to the formulation (revision) and implementation of chemical analysis methods for metal materials - steel, high-temperature alloys, aluminum alloys, magnesium alloys, titanium alloys, copper alloys, precious metals and their alloys, etc. It is also applicable to the chemical analysis of other raw materials. method. The units affiliated to the aviation industry department can also refer to it when formulating (revising) and implementing enterprise standards.
HB 5421-1989 history
- 1970 HB 5421-1998 General rules and general regulations for chemical composition analysis methods of metallic materials
- 1989 HB 5421-1989 General principles and general provisions of chemical analysis methods for metallic materials
- 1985 HB 5297.1-1984 General rules and general provisions of chemical analysis methods for titanium alloys
- 1970 HB 5220.1-1982 Determination of Carbon Content by Coulometric Method for Chemical Analysis of Superalloys
HB 5421-1989 General principles and general provisions of chemical analysis methods for metallic materials has been changed from HB 5218.1-1982 Determination of Copper Content by BCO Spectrophotometric Method for Chemical Analysis of Aluminum Alloy.
HB 5421-1989 General principles and general provisions of chemical analysis methods for metallic materials has been changed from HB 5219.1-1982 Determination of Copper Content by BCO Spectrophotometric Method for Chemical Analysis of Magnesium Alloys.
HB 5421-1989 General principles and general provisions of chemical analysis methods for metallic materials has been changed from HB 5220.1-1982 Determination of Carbon Content by Coulometric Method for Chemical Analysis of Superalloys.
HB 5421-1989 General principles and general provisions of chemical analysis methods for metallic materials has been changed from HB 5297.1-1984 General rules and general provisions of chemical analysis methods for titanium alloys.
