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Help CenterSilicon Steel & Electrical Steel，35WW300, 50WW400, 50WW600, 50WW800, 65WW1300, 23QG085, 27QG100, 30QG120, 35QG135
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1. Product Overview
Silicon steel, also known as electrical steel, is a soft magnetic alloy steel containing silicon. It features low iron loss, high magnetic permeability and excellent magnetizing performance. It is an indispensable core material for manufacturing transformers, motors, generators and various electromagnetic equipment.It is divided into non-oriented silicon steel and grain-oriented silicon steel according to crystal grain orientation.
2. Product Classification & Features
2.1 Non-Oriented Silicon Steel
Executive Standards: GB/T 2521, IEC 60404, ASTM A677Thickness Range: 0.35mm, 0.50mm, 0.65mmCore Advantages: Uniform magnetic property in all directions, easy stamping processingApplication: Rotors and stators of household motors, industrial motors, generators, compressors, fans, small transformers
2.2 Grain-Oriented Silicon Steel
Executive Standards: GB/T 2521, IEC 60404, ASTM A665Thickness Range: 0.23mm, 0.27mm, 0.30mm, 0.35mmCore Advantages: Extremely low iron loss, high magnetic flux density, superior magnetic performance along rolling directionApplication: Power distribution transformers, high-voltage transformers, large power transformers, reactor cores
3. Main Grades & Performance
Non-Oriented Silicon Steel Common Grades
35WW300, 50WW400, 50WW600, 50WW800, 65WW1300Low iron loss, stable magnetic performance, good punching property for mass motor lamination production
Grain-Oriented Silicon Steel Common Grades
23QG085, 27QG100, 30QG120, 35QG135Low core loss, high saturation magnetic flux, suitable for energy-saving power transformer manufacturing
4. Key Technical Indicators
Iron Loss Value: Core standard index, lower iron loss means less energy consumption during equipment operation
Magnetic Flux Density: Reflect magnetization capacity, higher value reduces core material usage
Surface Insulation Coating: Uniform inorganic coating on surface, good insulation, heat resistance and stamping resistance
Surface Quality: Smooth surface, no scratches, rust, peeling coating, edge burrs controlled within standard range
Test Certificate: Mill test report including iron loss, magnetic induction, coating resistance, thickness tolerance provided with each batch
5. Application Fields
Power Industry: Distribution transformers, power transformers, reactors, mutual inductors
Motor Manufacturing: Industrial three-phase motors, household appliance motors, new energy vehicle drive motors, generator sets
Electrical Equipment: Air condition compressors, water pumps, fans, power supply inductors, charging pile magnetic components
6. Packing, Marking & Delivery
6.1 Export Packing Standard
Silicon steel coils: Wrapped with inner waterproof paper, plastic film and outer metal protective plate, fixed with steel strips on fumigated wooden pallets
Silicon steel cut sheets: Layered with anti-rust paper, bundled by steel strips, palletized for sea transportation to prevent moisture and collision
6.2 Marking Content
Each coil/pallet label includes grade, thickness, weight, standard, coil number, manufacturer information, iron loss parameter
6.3 Delivery Time (Ship from Tianjin Port)
Conventional stock specifications: 5–7 days deliveryCustom thickness, special coating and cutting sizes: 7–15 days
6.4 Order Terms
Minimum order quantity: 1 ton, mixed grades acceptable; slitting, transverse cutting, lamination stamping processing available; trade terms FOB, CIF, CFR; payment: 30% TT deposit + 70% TT balance before shipment
7. Product Advantages
Stable raw material, strict control of silicon content, consistent magnetic performance of each batch
Complete thickness and grade range, covering motor and transformer full demand
Uniform insulating coating, anti-rust and easy punching, no coating shedding during stamping
Support deep processing: coil slitting, fixed-size sheet cutting, customized lamination
Abundant spot inventory, fast delivery from Tianjin Port, complete official test documents for customs clearance
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