Satisfies 1 requirement
Factory Sheet Laminated Transformer Low Iron Loss CRGO Ei Lamination
US$2,400.00-2,500.00
25 Tons(MOQ)
Ei lamination
I have found results from5000+products and1000+suppliers aboutEi lamination
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Customization Available
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Manufacturer First
Product Attributes:
Oriented Silicon Steel
Type: Cold Stamping
Non-oriented Silicon Steel
Standard: GB
Technique: Cold Rolled
Shape: EI Lamination
Processing Type: Shaping Metal
Multistep Progressive Dies
Process: Forming Process
Metal Stamping Parts
Tolerances: 0.01mm
Customized: Customized
Application: Power
Phase: Single
Core: Core-type Transformer
Cooling Method: Dry-type Transformer
Separated Winding Transformer
Certification: ISO9001-2000
Usage: Single-phase Transformer
Frequency Characteristics: Power Frequency
Shape of Core: EI
Standard: AISI
Standard: ASTM
Application: Electronic
Application: Instrument
Application: Lighting
Application: Rectifier
Application: Audio
Phase: Three
Certification: ISO9001
Certification: CCC
Usage: Rectifier Transformer
Usage: Combined Transformer
Usage: Power Transformer
Usage: Distribution Transformer
Satisfies 1 requirement
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Sourcing guidance for Ei Lamination
How to choose the right material grade for Ei Lamination?
Selecting the correct material is critical for electrical efficiency. You should prioritize Silicon Steel (Electrical Steel) with high permeability and low core loss. For high-frequency applications, look for Cold-Rolled Non-Oriented (CRNO) steel, while power transformers often require Cold-Rolled Grain-Oriented (CRGO) steel to maximize magnetic flux. Always verify the grade thickness (e.g., 0.35mm or 0.5mm), as thinner laminations effectively reduce eddy current losses.
What are the key technical specifications to verify for Ei Lamination?
Buyers must focus on dimensional precision and burr height. Ensure the stamping process maintains a burr height of less than 0.05mm to prevent short circuits between layers. Additionally, confirm the stacking factor, which should ideally be above 95%, and check for the quality of the insulation coating (C3, C4, or C5) applied to the surface of each sheet to ensure long-term performance and heat resistance.
Which compliance standards are essential for international trade of Ei Laminations?
To ensure market access and safety, products should comply with IEC 60404 (Magnetic materials) and ASTM A664. If the laminations are used in consumer electronics, RoHS and REACH compliance are mandatory to ensure the absence of hazardous substances. For suppliers, look for ISO 9001:2015 certification to guarantee consistent manufacturing quality and IATF 16949 if you are sourcing for automotive applications.
How can I evaluate the economic feasibility of bulk Ei Lamination procurement?
Calculate the Total Cost of Ownership (TCO) by factoring in the raw material price (linked to global steel indices), stamping die costs, and shipping weight. Since steel is heavy, sea freight is the most viable option for bulk orders. Seek suppliers on Made-in-China.com who offer tiered pricing, where orders exceeding 5-10 tons can yield discounts of 10-20% compared to small-batch prototype runs.
Cross-Border Purchasing Considerations for Ei Lamination
What are the primary risks in cross-border sourcing of Ei Laminations?
The biggest risks are oxidation (rust) during sea transit and dimensional deviation. To mitigate this, insist on vacuum packaging with VCI (Volatile Corrosion Inhibitor) paper and moisture-absorbent silica gel. Always request a Pre-Shipment Inspection (PSI) to verify that the dimensions match your technical drawings exactly before the balance payment is made.
How should I negotiate with Chinese suppliers for customized Ei cores?
Focus on tooling ownership and life cycles. Clarify who owns the stamping mold and ensure the supplier guarantees a specific number of 'hits' (e.g., 1 million) before maintenance is required. Use Made-in-China.com's Secured Trading services to protect your deposit and ensure that the final product meets the agreed-upon magnetic induction (B-H curve) specifications.
What are the best practices for shipping and logistics for heavy steel products?
Due to the high density of Ei Laminations, use reinforced wooden pallets or crates that comply with ISPM 15 (fumigation standards). Ensure the gross weight per package does not exceed the limit of your local warehouse's forklifts. For Incoterms, FOB (Free On Board) is recommended if you have a reliable freight forwarder, as it gives you better control over the heavy-lift shipping costs and customs clearance.