Valid

GB/T 37593-2019Cold-rolled grain-oriented electrical steel strip specialized for UHV transformers (English PDF)

特高压变压器用冷轧取向电工钢带

Preview PDF

This is a limited preview

Buy now to download the full PDF (15 pages)

Need quotation for your management?

Get a formal quotation for GB/T 37593-2019 in 30 minutes.

Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

June 4, 2019

Implementation date

May 1, 2020

Scope

GB/T 37593-2019 is the English-translated version of 特高压变压器用冷轧取向电工钢带.

GB/T 37593-2019 is the Chinese standard "Cold-rolled grain-oriented electrical steel strip specialized for UHV transformers". Its scope clause reads: This standard specifies the terms and definitions, classifications, symbols and grades, general requirements, and techniques for cold rolled oriented electrical steel strips for UHV transformers.

Requirements, inspection and testing, re-inspection and determination, packaging, marking and quality certificates. This standard is applicable to the manufacture of cold-rolled oriented electrical steel for AC converters of 500kV and above and DC converters of ±400kV and above.

Belt (hereinafter referred to as steel belt). Its clauses include terms and definitions; classification; symbols and grades.

Found what you need?

Document preview — GB/T 37593-2019

National Standard of the People's Republic of China

ICS
77.140.40
Classification
H 53

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Contents

  • 1 Scope
  • 2 Normative references
  • 3 Terms and definitions
  • 4 classification
  • 5 symbols and grades

1 Scope

This standard specifies the terms and definitions, classifications, symbols and grades, general requirements, and techniques for cold rolled oriented electrical steel strips for UHV transformers.

Requirements, inspection and testing, re-inspection and determination, packaging, marking and quality certificates.

This standard is applicable to the manufacture of cold-rolled oriented electrical steel for AC converters of 500kV and above and DC converters of ±400kV and above.

Belt (hereinafter referred to as steel belt).

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.

Pieces. For undated references, the latest edition (including all amendments) applies to this document.

General provisions for GB/T 247 steel and steel strip packaging, marking and quality certificates

GB/T 2521.2 Full-process cold-rolled electrical steel - Part 2. Grain-oriented steel strips (sheets)

GB/T 2522 electrical steel strip (sheet) surface insulation resistance, coating adhesion test method

GB/T 2900.60 Electrotechnical terminology electromagnetics

GB/T 3655 Method for measuring the magnetic properties of electrical steel sheets (belts) with Epstein square

GB/T 9637 Electrotechnical terminology Magnetic materials and components

GB/T 13789 single piece electrical steel sheet (belt) magnetic performance measurement method

General technical requirements for the delivery of GB/T 17505 steel and steel products

GB/T 18253 Types of inspection documents for steel and steel products

GB/T 19289 Electrical steel sheet (belt) density, resistivity and stacking factor measurement method

YB/T 4292 electrical steel strip geometry test method

3 Terms and definitions

The terms and definitions defined in GB/T 2900.60, GB/T 9637 and GB/T 2521.2 apply to this document.

4 classification

The grade of the steel strip is based on the magnetic polarization of 1.7T, the maximum specific loss value of P1.7/50 at 50Hz, and the nominal thickness of the material.

(0.23mm, 0.27mm, 0.30mm) is classified and subdivided into high magnetic polarization level and magnetic domain fine according to the maximum specific loss value P1.7/50.

Two levels of classification.

5 symbols and grades

5.1

The symbols and corresponding descriptions of this standard are shown in Table 1.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Similar standards

How to Download GB/T 37593-2019

  1. 1

    Add to cart

    Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.

  2. 2

    Checkout

    Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).

  3. 3

    Instant delivery (0–9 sec)

    Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.

  4. 4

    Invoice included

    A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.

Related Standards

English PDF
15 pages
Instant delivery (0–9 sec)
Invoice included
View Cart

Secure payment via Stripe

Payments accepted

VisaMastercardAmerican ExpressApple PayGoogle PayStripe

GB/T 37593-2019

$205.00