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GB/T 5686.4-2022
Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal—Determination of phosphorus content—Molybdenum blue spectrophotometric method and bismuth phosphomolybdate blue spectrophotometric method
GB/T 5686.2-2022
Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal—Determination of silicon content—Molybdenum blue spectrophotometric method , silicon potassium fluoride titrimetric method and perchloric acid dehydration gravimetric method
GB/T 41079.2-2022
Test methods for physical properties of liquid metals—Part 2: Determination of electrical conductivity
GB/T 41704-2022
Test methods of cathode materials for lithium ion battery—Determination of magnetic impurities content and residual alkali content
GB/T 41883-2022
Additive manufacturing tantalum and tantalum alloy by powder bed fusion
GB/T 21182-2022
Scraps of cemented carbide
GB/T 41750-2022
Titanium and titanium alloy square and rectangular tubes
GB/T 25080-2022
Specification for niobium-titanium alloy billets and bars for superconducting applications
GB/T 41765-2022
Test method for dislocation density of monocrystalline silicon carbide
GB/T 41751-2022
Test method for radius of curvature of crystal plane in GaN single crystal substrate wafers
GB/T 712-2022
Structural steel for ship and ocean engineering
GB/T 41756-2022
Corrosion of metals and alloys—Method for estimating the atmospheric corrosion resistance of low-alloy steels
GB/T 41755-2022
Determination of the susceptibility to cracking of line pipe in sour service—Full ring ovalization test method
GB/T 41702-2022
Extruded-products of in situ nano-sized particle reinforced 6000-series aluminum matrix composites
GB/T 41739-2022
Test method for dimensional stability of metal matrix composites—Thermal-cold cycling method
GB/T 41738-2022
Test method for mode I interlaminar fracture toughness(GIC) of fibre metal laminates
GB/T 41737-2022
Aluminum matrix composites-Test method for volume fraction of SiC-Dissolution method
GB/T 15546-2022
Terms of mill rolls
GB/T 41736-2022
High volume fraction SiC particulate aluminum matrix composites
GB/T 16825.1-2022
Metallic materials—Calibration and verification of static uniaxial testing machines—Part1:Tension/compression testing machines—Calibration and verification of the force-measuring system