GB/T 38815-2020Superalloy powders atomized by plasma rotating electrode process (English PDF)

1 Scope

This standard specifies the order content, size, shape, weight, technical requirements,

Test methods, inspection rules, packaging, marking, storage and transportation, and quality certificates.

This standard is applicable to high-temperature alloy powder for atomization by plasma rotating electrode method (hereinafter referred to as powder).

2 Normative references

The following documents are essential for the application of this document. For dated reference documents, only the dated version applies to this article

Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document.

GB/T 223.5 Determination of acid-soluble silicon and total silicon content of iron and steel-reduced silicomolybdate spectrophotometry

GB/T 223.8 Methods for chemical analysis of iron, steel and alloy-Determination of aluminum content by sodium fluoride separation-EDTA titration

GB/T 223.11 Determination of chromium content of iron, steel and alloy by visual titration or potentiometric titration

GB/T 223.17 Methods for chemical analysis of iron, steel and alloy-The diantipyrylmethane photometric method for the determination of titanium content

GB/T 223.20 Methods for chemical analysis of iron, steel and alloy-The potentiometric titration method for the determination of cobalt content

GB/T 223.25 Methods for chemical analysis of iron, steel and alloy-The dimethylglyoxime gravimetric method for the determination of nickel content

GB/T 223.28 Methods for chemical analysis of iron, steel and alloy-The alpha-benzoin oxime gravimetric method for the determination of molybdenum content

GB/T 223.30 Methods for chemical analysis of iron, steel and alloy-P-Bromomandelic acid precipitation separation-Azoarsine III spectrophotometric determination

Zirconium

GB/T 223.33 Methods for chemical analysis of iron, steel and alloys-Extraction separation-Chlorophosphonazo mA photometric method for the determination of cerium content

GB/T 223.38 Methods for chemical analysis of iron, steel and alloy-Ion exchange separation-gravimetric method for the determination of niobium content

GB/T 223.41 Methods for chemical analysis of iron, steel and alloy-Ion exchange separation-pyrogallol photometric method for the determination of tantalum content

GB/T 223.42 Methods for chemical analysis of iron, steel and alloy-Ion exchange separation-bromopyrogallol red photometric method for the determination of tantalum content

GB/T 223.43 Determination of tungsten content of iron, steel and alloy gravimetric method and spectrophotometric method

GB/T 223.62 Methods for chemical analysis of iron, steel and alloy-The butyl acetate extraction photometric method for the determination of phosphorus content

GB/T 223.70 Determination of iron content in iron, steel and alloys ortho-phenanthroline spectrophotometric method

GB/T 223.72 Determination of sulfur content in iron, steel and alloy gravimetric method

GB/T 223.75 Determination of boron content in steel and alloys Methanol distillation-curcumin photometric method

GB/T 223.85 Determination of sulfur content in steel and alloys Infrared absorption method after combustion in induction furnace

GB/T 223.86 Determination of total carbon content of steel and alloys Infrared absorption method after combustion in induction furnace

GB/T 1479.1 Determination of bulk density of metal powders Part 1.Funnel method

GB/T 1480 Metal powder dry screening method for determination of particle size

GB/T 1482 Determination of metal powder fluidity standard funnel method (Hall flow meter)

GB/T 3500 terminology of powder metallurgy

GB/T 4340.1 Metallic materials Vickers hardness test Part 1.Test method

GB/T 5314 Powder sampling method for powder metallurgy

GB/T 11261 Determination of oxygen content in iron and steel-Pulse heating inert gas fusion-infrared absorption method

GB/T 19077 Laser diffraction method for particle size analysis […]