1 Scope
This standard specifies the requirements, test methods, inspection rules, labeling, packaging, transportation, storage and quality certificate and contract (or order) contents of tungsten base, high-density alloy plate.
This standard is applicable to the tungsten base, high-density alloy plate manufactured by rolling the powder metallurgy slab.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition applies.
GB/T 228 Metallic materials - Tensile testing at ambient temperature
GB/T 3850 Impermeable sintered metal materials and hardmetals - Determination of density
GB/T 4193 Method for measuring the density of the fine wire and ribbon of tungsten and molybdenum used in electric light sources and vacuum tubes
GB/T 4324 (all parts) Methods for chemical analysis of tungsten
GB/T 8170 Rules of rounding off for numerical values & expression and judgment of limiting values
3 Requirements
3.1 Product classification
3.1.1 Product designation
Foreword i
1 Scope
2 Normative references
3 Requirements
4 Test methods
5 Inspection rules
6 Marking, packaging, transportation, storage and quality certificate
