国家标准题录

GB/T 42271-2022

半绝缘碳化硅单晶的电阻率非接触测试方法

Test method for resistivity of semi-insulating monocrystalline silicon carbide by contactless measurement

实施日期

2023-04-01

ICS 分类

77.040

GB/T 38719-2020

Metallic materials—Tube—Determination of biaxial stress-strain curve of tube by hydro-bulging test

实施日期

—

ICS 分类

77.040.10

GB/T 1222-2016

Spring steels

实施日期

—

ICS 分类

77.040.99

GB/T 34477-2017

Metallic materials—Sheet and strip—Dent resistance test method

实施日期

—

ICS 分类

77.040.10

GB/T 34644-2017

Eddy current testing method for zirconium and zirconium alloy tube

实施日期

—

ICS 分类

77.040.20

GB/T 33965-2017

Metallic materials—Tensile testing—Determination of thickness reduction ratio for rectangular specimen

实施日期

—

ICS 分类

77.040.10

GB/T 1838-2008

Test methods of tin coating mass for electrolytic tinplate

实施日期

—

ICS 分类

77.040.99

GB/T 33163-2016

Metallic materials—Residual stress—With ultrasonic impact treatment

实施日期

—

ICS 分类

77.040.10

GB/T 32660.1-2016

Metallic materials—Webster hardness test—Part 1: Test method

实施日期

—

ICS 分类

77.040.10

GB/T 30834-2022

钢中非金属夹杂物的评定和统计 扫描电镜法

Rating and classifying of inclusions in steel—Scanning electron microscope method

实施日期

2023-02-01

ICS 分类

77.040.99

GB/T 41641-2022

力学性能测量 REBCO带材室温拉伸试验方法

Mechanical properties measurement—Room temperature tensile test on REBCO wires

实施日期

2023-05-01

ICS 分类

29.050;77.040.01

GB/T 3656-2022

电磁纯铁及软磁合金矫顽力的抛移测量方法

Methods of coercivity measurement of magnetic iron and magnetically soft alloy by pulling out procedure

实施日期

2023-02-01

ICS 分类

77.040.99

GB/T 41079.2-2022

液态金属物理性能测定方法 第2部分：电导率的测定

Test methods for physical properties of liquid metals—Part 2: Determination of electrical conductivity

实施日期

2023-02-01

ICS 分类

77.040.99

GB/T 41765-2022

碳化硅单晶位错密度的测试方法

Test method for dislocation density of monocrystalline silicon carbide

实施日期

2023-05-01

ICS 分类

77.040

GB/T 41751-2022

氮化镓单晶衬底片晶面曲率半径测试方法

Test method for radius of curvature of crystal plane in GaN single crystal substrate wafers

实施日期

2023-02-01

ICS 分类

77.040

GB/T 41739-2022

金属基复合材料尺寸稳定性检测方法 冷热循环法

Test method for dimensional stability of metal matrix composites—Thermal-cold cycling method

实施日期

2023-02-01

ICS 分类

77.040.99

GB/T 41737-2022

铝基复合材料 碳化硅体积分数试验方法 溶解法

Aluminum matrix composites-Test method for volume fraction of SiC-Dissolution method

实施日期

2023-02-01

ICS 分类

77.040.99

GB/T 16825.1-2022

金属材料 静力单轴试验机的检验与校准 第1部分：拉力和（或）压力试验机 测力系统的检验与校准

Metallic materials—Calibration and verification of static uniaxial testing machines—Part1:Tension/compression testing machines—Calibration and verification of the force-measuring system

实施日期

2023-05-01

ICS 分类

19.060;77.040.10

GB/T 20568-2022

金属材料 管环液压试验方法

Metallic materials—Tube ring hydraulic pressure test

实施日期

2022-10-12

ICS 分类

77.040.10

GB/T 3658-2022

软磁金属材料和粉末冶金材料20Hz～100kHz频率范围磁性能的环形试样测量方法

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

实施日期

2022-10-12

ICS 分类

77.040.99