GB/T 3658-2022

Active

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

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

Standard Type

GBT

ICS

77.040.99

CCS

H21

Status

现行

Issue Date

2022-10-12

Implementation

2022-10-12

Responsible Dept

中国钢铁工业协会

Drafting Unit

N/A

🔗 Related Standards / 同类标准

GB/Z 38434-2019 Metallic materials—Guide to test pieces preparation for mechanical testing GB/Z 40387-2021 Metallic materials—Principles and designs for multiaxial fatigue testing GB/T 1814-1979 Inspection method for steel work fractures GB/T 3771-1983 Conversion of hardness and strength for copper alloys GB/T 4197-1984 Method for measuring the average grain size of sintered bar and rod of tungsten molybdenum and alloys GB/T 4196-1984 Method for testing the density of tungsten and molybdenum bars GB/T 4195-1984 Method for measuring the distribution of the powder size of tungsten and molybdenum method by the balance for the fall of the particles GB/T 4194-1984 Creep testing，high temperature treatment and metallographic examination of the tungsten wires