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Transformer Core Material Cold Rolled Pure Iron Coil With Excellent Magnetic Properties

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Product Spotlights

Premium cold-rolled pure iron coils optimized for transformer cores, delivering ultra-low core loss (≤4.5W/kg) and high permeability (≥5000μ). Features precise thickness control (±0.01mm), customizable dimensions, and ASTM-compliant material.
Negotiable MOQ: 1 Ton (Price negotiable depending on order volume and customization)
Key Specifications
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Application:
Other, Transformer cores, electromagnetic devices
Standard:
Other, ASTM A848
Material:
Cold Rolled Pure Iron
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
7 days
Application Other, Transformer cores, electromagnetic devices
Standard Other, ASTM A848
Material Cold Rolled Pure Iron
Thickness 0.1mm to 3.0mm (customizable)
Width 20mm to 1000mm (customizable)
Magnetic Properties Low core loss, high permeability
Surface Finish Smooth, oxide-free surface
Packaging Waterproof, rust-proof coated

Shanxi Jurun Technology Co., Ltd., a trusted manufacturer based in Taiyuan, China, specializes in producing premium Cold Rolled Pure Iron Coils engineered for critical electromagnetic applications. Our transformer-grade material delivers exceptional magnetic performance with industry-leading consistency, making it the ideal choice for high-efficiency power systems.

Key advantages include:

  • Ultra-low hysteresis loss for reduced energy waste

  • Controlled thickness tolerance within ±0.01mm

  • Annealed microstructure ensuring uniform permeability

  • Customizable dimensions to fit specific core designs

Technical specifications:

Parameter Value
Core Loss (1.5T/50Hz) ≤ 4.5 W/kg
Permeability (1.0T) ≥ 5000 μ
Coercive Force ≤ 80 A/m
Density 7.85 g/cm³

Clients benefit from 15% longer service life in transformers and up to 8% reduction in eddy current losses compared to standard electrical steels. Our vacuum degassing process eliminates impurities that cause magnetic aging, guaranteeing stable performance in -40°C to 120°C environments.

Backed by Shanxi Jurun's decade-long expertise in metallurgical engineering, every coil undergoes triple-stage inspection including Epstein testing and surface flaw detection. We support bulk orders with flexible MOQs and provide technical datasheets for seamless integration into your manufacturing workflow. Contact our Taiyuan facility today for samples validated in real-world applications.

FAQ:

  • Q: What protective coatings are available?
    A: We offer optional chromate or phosphate treatments to prevent corrosion during storage.

  • Q: Can you supply pre-cut laminations?
    A: Yes, laser cutting services are available upon request with ±0.1mm precision.

  • Q: How is magnetic anisotropy controlled?
    A: Through optimized cold rolling reduction ratios (70-85%) and decarburization annealing.

  • Q: What certifications support quality claims?
    A: Mill test certificates comply with ASTM A34 testing standards.

  • Q: Typical lead time for 20-ton orders?
    A: Standard specifications ship within 14 days; custom orders require 21 days.

  • Q: Do you provide application engineering support?
    A: Our technical team assists with core loss calculations and grade selection.

Product Tags: Cold Rolled Pure Iron Coil , Transformer Core Material , Magnetic Pure Iron

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