Standards

YS/T 423.2-2025 Active

YS/T 423.2-2025 Nuclear-grade boron carbide chemical analysis method - Part 2: Determination of total carbon content by gas capacity method and high-frequency combustion infrared absorption method

Publish Date: 2025-08-19

YS/T 423.1-2025 Active

YS/T 423.1-2025 Nuclear-grade boron carbide chemical analysis method - Part 1: Determination of total boron content - Acid-base titration method

Publish Date: 2025-08-19

YS/T 778-2025 Active

YS/T 778-2025 Vacuum degreasing sintering furnace

Publish Date: 2025-08-19

YS/T 878-2025 Active

YS/T 878-2025 Continuous belt reduction furnace

Publish Date: 2025-08-19

YS/T 537-2025 Active

YS/T 537-2025 Nickel-chromium-phosphorus alloy powder for thermal spraying

Publish Date: 2025-08-19

YS/T 798-2025 Active

YS/T 798-2025

Publish Date: 2025-08-19

YS/T 677-2025 Active

YS/T 677-2025 Lithium manganate

Publish Date: 2025-08-19

YS/T 1031-2025 Active

YS/T 1031-2025 Chemical vapor deposition furnace

Publish Date: 2025-08-19

YS/T 1126-2025 Active

YS/T 1126-2025 Resistive Ultra High Temperature Vacuum Furnace

Publish Date: 2025-08-19

YS/T 1794-2025 Active

YS/T 1794-2025 Titanium carbonitride-based hard material

Publish Date: 2025-08-19

YS/T 1791.3-2025 Active

YS/T 1791.3-2025 Chemical analysis methods for high entropy alloy powders - Part 3: Determination of oxygen and nitrogen content by pulse-heated infrared absorption method and thermal conductivity method

Publish Date: 2025-08-19

YS/T 1791.2-2025 Active

YS/T 1791.2-2025 The Chemical Analysis of High Entropy Alloy Powder - Part 2: Determination of Carbon and Sulfur Content - High Frequency Flame Infrared Absorption Method

Publish Date: 2025-08-19