Standards

YS/T 422.4-2024 Active

YS/T 422.4-2024 YS/T 422.4-2024 Chromium Carbide Chemical Analysis Method - Part 4: Determination of Silicon Content by Molybdenum Blue Spectrophotometry。

This document is applicable to the determination of the silicon content in chromium carbide, with a measurement range of 0.10% to 2.00%.

Publish Date: 2024-10-24

YS/T 422.3-2024 Active

YS/T 422.3-2024

This document is applicable to the determination of iron content in chromium carbide, with a measurement range of 0.050% to 2.50%.

Publish Date: 2024-10-24

YS/T 422.2-2024 Active

YS/T 422.2-2024

This document is applicable to the determination of the total carbon content in chromium carbide powder. The measurement ranges of the gas volume method and the high-frequency combustion infrared absorption method are from 5.00% to 30.00%.

Publish Date: 2024-10-24

YS/T 422.1-2024 Active

YS/T 422.1-2024

This document is applicable to the determination of chromium content in chromium carbide, with a measurement range of 80.0% to 90.0%.

Publish Date: 2024-10-24

YS/T 539.9-2024 Active

YS/T 539.9-2024 YS/T 539.9-2024 Chemical analysis methods for nickel-based alloys powder - Part 9: Determination of impurity element content by inductively coupled plasma atomic emission spectroscopy

This document is applicable to the determination of the contents of iron, chromium, molybdenum, aluminum, cobalt, boron, manganese, copper, niobium, titanium, magnesium, zirconium, vanadium, tungsten, and hafnium in nickel-based alloy powders, with a measurement range of 0.010% to 5.00%.

Publish Date: 2024-10-24

YS/T 539.7-2024 Active

YS/T 539.7-2024 YS/T 539.7-2024 Nickel-based alloy powder chemical analysis methods - Part 7: Determination of phosphorus content - Subtance extraction spectrophotometry using butanol-trichloromethane mixture

This document is applicable to the determination of phosphorus content in nickel-based alloy powder, with a measurement range of 0.0005% to 0.050%.

Publish Date: 2024-10-24

YS/T 539.6-2024 Active

YS/T 539.6-2024 YS/T 539.6-2024 Chemical analysis methods for nickel-based alloys powder - Part 6: Determination of iron content - Titration with potassium dichromate using titanium trichloride (Chinese Version) The following English translation is provided: YS/T 539.6-2024 Chemical analysis methods for nickel-based alloys powder - Part 6: Determination of iron content - Titanium trichloride-potassium dichromate titration method (English Version)

This document is applicable to the determination of iron content in nickel-based alloy powders, with a measurement range of 1.00% to 27.00%.

Publish Date: 2024-10-24

YS/T 539.5-2024 Active

YS/T 539.5-2024 YS/T 539.5-2024 Chemical analysis methods for nickel-based alloys powder - Part 5: Determination of copper content - Sodium thiosulfate iodometric method

This document is applicable to the determination of copper content in nickel-based alloy powder, with a measurement range of 1.00% to 42.00%.

Publish Date: 2024-10-24

YS/T 539.4-2024 Active

YS/T 539.4-2024 YS/T 539.4-2024 Chemical analysis methods for nickel-based alloys powder - Part 4: Determination of chromium content - Ammonium persulfate oxidation titration method

This document is applicable to the determination of the chromium content (excluding vanadium) in nickel-based alloy powders, with a measurement range of 2.00% to 35.00%.

Publish Date: 2024-10-24

YS/T 539.3-2024 Active

YS/T 539.3-2024 YS/T 539.3-2024 Nickel-based alloy powder chemical analysis methods - Part 3: Determination of silicon content - Molybdenum blue spectrophotometry

This document is applicable to the determination of the silicon content in nickel-based alloy powder, with a measurement range of 0.010% to 6.00%.

Publish Date: 2024-10-24

YS/T 539.2-2024 Active

YS/T 539.2-2024 YS/T 539.2-2024 Nickel-based alloy powder chemical analysis methods - Part 2: Determination of tungsten content - Xinken weighing method

This document is applicable to the determination of tungsten content in nickel-based alloy powder, with a measurement range of 1.00% to 30.00%.

Publish Date: 2024-10-24

YS/T 539.1-2024 Active

YS/T 539.1-2024

This document is applicable to the determination of boron content in nickel-based alloy powder, with a measurement range of 1.00% to 20.00%.

Publish Date: 2024-10-24