T/CISA 157-2021 Fully processed cold-rolled high-performance oriented electrical steel sheet
T/CISA 157-2021 Fully processed cold-rolled high-performance oriented electrical steel sheet
Basic Information
Scope
Scope: This document applies to cold-rolled high-performance oriented electrical steel strips delivered in a fully processed state for use in magnetic circuit structures, hereinafter referred to as "steel strips"; Main technical content: This document specifies the classification, symbols, and grades of cold-rolled oriented electrical steel strips with a nominal thickness of 0.18 mm, 0.20 mm, 0.23 mm, 0.27 mm, and 0.30 mm, which meet the requirement in YB/T 4767—2019 Green Product Design Specifications that the total loss P1.7/50 of oriented electrical steel products shall not exceed 1.00 W/kg. The strips are coated with insulating layers on both sides. This document also includes general requirements, technical requirements, inspection and testing, determination and re-inspection rules, packaging, marking, and quality certificates for these strips.