GB/T 38941-2020Superalloy rods for powders atomized by plasma rotating electrode process (English PDF)

1 Scope

This standard specifies the order content, size, shape, weight, and technical requirements of high-temperature alloy bar stock for atomizing powder by plasma rotating electrode method

Requirements, test methods, inspection rules, packaging, marks and quality certificates.

This standard is applicable to the preparation of high-temperature alloy bar stock (hereinafter referred to as bar stock) of powder atomized by the plasma rotating electrode method.

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

GB/T 20066 Sampling and preparation methods of samples for determination of chemical composition of steel and iron

GB/T 20124 Determination of nitrogen content in iron and steel. Inert gas fusion thermal conductivity method (conventional method)

GB/T 20127.3 Determination of trace elements in iron, steel and alloys. Part 3.Determination by inductively coupled plasma emission spectrometry

Calcium, magnesium and barium content

GB/T 38939 Determination of multi-element content of nickel-based alloys Spark spark atomic emission spectrometry (conventional method)

Technical requirements for selection of raw materials for HB/Z131 casting superalloys […]