ASTM A876 GB/T 2521 Grain Oriented Silicon Steel Strip High Permeability Option 0.18-0.35mm Thickness Custom Grades Supported
Product Spotlights
Wuxi Yansheng Technology Co., Ltd. is a professional manufacturer specializing in grain oriented silicon steel strips for over 7 years. Our ASTM A876 GB/T 2521 Grain Oriented Silicon Steel Strip features high permeability options and precise thickness control from 0.18mm to 0.35mm. With an annual export value exceeding US$50 million, we serve global markets across North America, Europe, Asia, and beyond. This product is designed to meet the demanding requirements of transformer and inductor core manufacturing, offering consistent magnetic properties and customizable grades to fit your specific application.
Product Overview
Our grain oriented silicon steel strip is manufactured under strict quality control following ASTM A876 and GB/T 2521 standards. It is available in high permeability versions that reduce core losses and improve energy efficiency. The strip thickness ranges from 0.18mm to 0.35mm, with custom grades available upon request. This material is ideal for power transformers, distribution transformers, and high-frequency inductors where low core loss and high magnetic flux density are critical.
Key Features & Benefits
High Permeability Option: Available in HI-B (high permeability) grades for superior magnetic performance, reducing excitation current and core losses.
Precise Thickness Control: Thickness from 0.18mm to 0.35mm with tight tolerances (±0.01mm), ensuring consistent stacking factor and magnetic properties.
Custom Grades Supported: We offer grades such as 23ZH90, 27ZH95, 30ZH105, and custom specifications to match your design.
Excellent Insulation Coating: Optional semi-organic or inorganic coating provides high interlamination resistance and good punchability.
Low Core Loss: Typical core loss values (P1.7/50Hz) range from 0.80 W/kg to 1.20 W/kg depending on grade and thickness.
High Flux Density: Magnetic flux density (B800) typically above 1.85T, ensuring smaller core volume for the same power rating.
Wide Width Range: Standard widths from 50mm to 1000mm, with custom widths available per customer request.
Global Logistics: Shipped from Tianjin, Shanghai, Qingdao, or Ningbo ports, with on-time delivery guarantee.
Technical Specifications
Applications
Power transformers (up to 500kV)
Distribution transformers
Current transformers and potential transformers
High-frequency inductors and chokes
Magnetic cores for inverters and UPS systems
Quality Assurance & Trust
At Wuxi Yansheng Technology Co., Ltd., we operate a factory spanning 1,000–3,000 square meters with a dedicated team of 101–200 employees. Our quality management system is certified under ISO9001, ISO14000, and OHSAS18001 standards, ensuring consistent product quality and responsible manufacturing. We have successfully exported over US$50 million annually to markets including North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East.
Every coil of grain oriented silicon steel strip undergoes rigorous testing for magnetic properties, thickness, and surface quality before shipment. We provide custom grades and tailored dimensions to meet your exact project requirements. Our experienced engineering team offers technical support for core design and material selection.
Backed by multiple certifications (including HACCP, TL900, SA8000, and others), we are committed to delivering reliable, high-performance materials that enhance your transformer efficiency and reduce energy losses. Choose Wuxi Yansheng for a dependable supply partner that values quality, on-time delivery, and customer satisfaction.
Contact us today to request a quotation or discuss your custom grade requirements. We look forward to building a long-term partnership.
Frequently Asked Questions (FAQ)
Q: What standards does your grain oriented silicon steel strip comply with?
A: It meets both ASTM A876 and GB/T 2521 standards, ensuring international compatibility.Q: Can I order a thickness outside the 0.18-0.35mm range?
A: Our standard thickness range is 0.18-0.35mm. Other thicknesses may be available as a custom option upon request.Q: What coating options do you offer?
A: We offer various insulation coatings including C-0 (uncoated), C-2 (semi-organic), C-4 (inorganic), and C-5 (stress-relief annealed). Please specify your requirement.Q: How do you ensure magnetic property consistency?
A: Each coil is tested for core loss and flux density using Epstein frame method. We provide test certificates with each shipment.Q: What is the typical lead time?
A: For standard grades and thicknesses, lead time is 15-20 days after order confirmation. Custom grades may require 25-30 days.Q: Do you offer custom width and slitting services?
A: Yes, we can slit coils to your specified width (minimum 50mm). Slitting tolerance is ±0.5mm.Q: Can you provide samples before bulk order?
A: We offer free sample strips (A4 size or smaller) for evaluation. Shipping cost is negotiable.Q: What payment terms do you accept?
A: We accept T/T, L/C, and other terms as mutually agreed.
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