GB/T 1222-2016
Spring steels
- 实施日期
- —
- ICS 分类
- 77.040.99
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 1222-2016
GB/T 1838-2008
GB/T 30834-2022
Rating and classifying of inclusions in steel—Scanning electron microscope method
GB/T 3656-2022
Methods of coercivity measurement of magnetic iron and magnetically soft alloy by pulling out procedure
GB/T 41079.2-2022
Test methods for physical properties of liquid metals—Part 2: Determination of electrical conductivity
GB/T 41739-2022
Test method for dimensional stability of metal matrix composites—Thermal-cold cycling method
GB/T 41737-2022
Aluminum matrix composites-Test method for volume fraction of SiC-Dissolution method
GB/T 3658-2022
Methods of measurement of the magnetic properties of magnetically soft metallic and powder materials at frequencies in the range 20 Hz to 100 kHz by the use of ring specimens
GB/T 2523-2022
Measuring method of surface roughness, peak count and waviness for cold-rolled metal sheet and strip
GB/T 13299-2022
Determination of free cementite, pearlite and Widmanstaten structure in steel
GB/T 17473.7-2022
Test methods of precious metals pastes used for microelectronics—Part 7: Determination of solderability and solder leaching resistance
GB/T 41079.1-2021
Test methods for physical properties of liquid metals—Part 1: Determination of density
GB/T 40404-2021
Slag material—Measurement of melting temperature—High temperature metallographic method
GB/T 40304-2021
Determination of content of nonmetallic inclusions in steel—Billet full section method
GB/T 40296-2021
Practical superconducting wires—Twist pitch measurement method of Nb-Ti and Nb3Sn composite superconductors
GB/T 40281-2021
Determination of content of nonmetallic inclusions in steel—Extremum analytical method
GB/T 24488-2021
Test method for electrochemical properties of magnesium alloys sacrificial anode
GB/T 1425-2021
Determination of melting temperature range for precious metals and their alloys—Testing method of thermal analysis
GB/T 21115-2007
GB/T 39077-2020
Test methods for detecting detrimental phases in lean duplex austenitic-ferritic stainless steels