GB/T 3990-1983
abolished_transferred
T/CEC 398-2020
Active
Group standards
T/CEC 398-2020 High frequency transformer with nanocrystalline alloy strip product technical specification
T/CEC 398-2020 High frequency transformer with nanocrystalline alloy strip product technical specification
Price:
$ 20.00
Basic Information
Standard Code:
T/CEC 398-2020
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
Other steel products
Publish Date:
2020-10-28
Implement Date:
2021-02-01
Scope
Main technical content: This document specifies the classification and designation methods of nanocrystalline alloy strips for high-frequency transformers, general requirements, technical requirements, measurement methods, sampling and inspection, as well as packaging, storage, marking, and quality certificates. This document is applicable to iron-based nanocrystalline alloy strips (hereinafter referred to as strips) used in the iron cores of high-frequency transformers with a manufacturing frequency of not less than 1 kHz and a capacity of not less than 80 kVA.
Development Information
Related Standards
GB/T 3991-1983
abolished_transferred
GB/T 3991-1983 Cobalt-coated tungsten carbide composite powders
GB/T 3992-1983
abolished_transferred
GB/T 3992-1983 Nickel-coated chromium composite powders
GB/T 3993-1983
abolished_transferred
GB/T 3993-1983 Nickel-coated copper composite powders
GB/T 11072-1989
Replaced
GB/T 11072-1989 Indium antimonide polycrystal, single crystals and as-cut slices
GB/T 2073-1993
abolished_transferred