Premium Baosteel 0.85W/Kg Iron Loss Silicon Steel Lamination Transformer Sheet Core Supplier
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Product Highlights
- Premium Raw Material Source: Meticulously crafted from top-tier CRGO silicon steel sourced exclusively from Baosteel and WISCO.
- Advanced Manufacturing Technology: Utilizes advanced German slitted cutting systems and Georg 800 cross-cutting E-stack machines.
- Extensive Production Capacity: Annual production capacity exceeds 100,000 tons with 3 production lines and 18 years of export experience.
- Comprehensive Quality Assurance: ISO9001:2015 certified with 100% visual and function inspection by 9 dedicated QA/QC inspectors.
- Customization Capabilities: Offers full customization, minor customization, and flexible options based on samples or designs.
- Wide Product Range: Provides CRGO mother coils, slit coils, transformer laminations, and assembled transformer cores.
- Flexible Payment Terms: Accepts LC, T/T, D/P, PayPal, Western Union, and small-amount payment methods.
Product Attributes
- Customization
- Available
- Type
- Oriented Silicon Steel
- Standard
- GB, AISI, ASTM, DIN, BS, JIS
- Model NO.
- B23R085
- Technique
- Cold Rolled
- Shape
- Sheet
- Thickness
- 0.23mm
- Iron Loss
- 0.85W/Kg(1.7t/50Hz)
- Brand
- Baosteel,Wisco
- Width
- 35-1060mm
- Transformer Lamination
- OEM(According to Drawing)
- Transport Package
- Export Wood Box
- Specification
- 1000*1000*600mm
- Trademark
- Julong
- Origin
- China
- HS Code
- 85049019
- Production Capacity
- 30000tons/Month
Product Images of Premium Baosteel 0.85W/Kg Iron Loss Silicon Steel Lamination Transformer Sheet Core Supplier
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Premium Baosteel 0.85W/Kg Iron Loss Silicon Steel Lamination Transformer Sheet Core Supplier -
Premium Baosteel 0.85W/Kg Iron Loss Silicon Steel Lamination Transformer Sheet Core Supplier -
Premium Baosteel 0.85W/Kg Iron Loss Silicon Steel Lamination Transformer Sheet Core Supplier -
Premium Baosteel 0.85W/Kg Iron Loss Silicon Steel Lamination Transformer Sheet Core Supplier -
Premium Baosteel 0.85W/Kg Iron Loss Silicon Steel Lamination Transformer Sheet Core Supplier -
Premium Baosteel 0.85W/Kg Iron Loss Silicon Steel Lamination Transformer Sheet Core Supplier -
Premium Baosteel 0.85W/Kg Iron Loss Silicon Steel Lamination Transformer Sheet Core Supplier
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Product Description
Our oriented silicon steel is a premium low-carbon silicon iron alloy with a silicon content ranging from 0.5% to 4.5%. Celebrated for its outstanding high permeability, this exceptional material significantly reduces Joule loss in power equipment, thereby enhancing efficiency and ensuring substantial energy savings. It also boasts remarkably lower iron loss and a superior resistance coefficient, making it the optimal choice for a diverse range of applications.
Raw Material: Our products are meticulously crafted from top-tier CRGO silicon steel, exclusively sourced from Baosteel and WISCO, ensuring unmatched quality and performance.
| Type | Grade | Width | Max Core [email protected]/50Hz | Lamination Factor(%) | Min Induction@B800 |
| Common Type | 23Q110 | 35-1200mm | 1.10w/kg | 97.2 | 1.82T |
| 23Q120 | 1.20w/kg | 97.2 | 1.82T | ||
| 27Q120 | 1.20w/kg | 97.5 | 1.82T | ||
| 30G120 | 1.20w/kg | 98 | 1.82T | ||
| High Induction Type |
B20P085 | 35-1200mm | 0.85w/kg | 97 | 1.86T |
| B23P085 | 0.85w/kg | 97.2 | 1.88T | ||
| B23P090 | 0.90w/kg | 97.2 | 1.88T | ||
| B23P095 | 0.95w/kg | 97.2 | 1.88T | ||
| B23P100 | 1.00w/kg | 97.2 | 1.88T | ||
| B27P095 | 0.95w/kg | 97.5 | 1.89T | ||
| B27P100 | 1.00w/kg | 97.5 | 1.89T | ||
| B30P120 | 1.20w/kg | 98 | 1.89T | ||
| Domain Refined High Induction Type(Laser) |
B20R070 | 35-1200mm | 0.70w/kg | 97 | 1.86T |
| B23R085 | 0.85w/kg | 97.2 | 1.88T | ||
| B27RK085 | 0.85w/kg | 97.5 | 1.89T |
- Maximum Weight of Automatically Stacked Core: An impressive 60 Tons
- Maximum Weight of Manually Stacked Core: A robust 120 Tons
- Gap Limit at the Joint: Precision engineering ensures a gap limit of less than 1mm
- Window Height Precision: Exacting standards yield a precision of ±1mm
- Window Width Precision: Unmatched precision with a tolerance of ±1mm
1.Which products can we provide?
We offer a range of products including CRGO mother coils, slit coils, transformer laminations, and OEM transformer cores.
2. Who are we?
We are the pioneers of CRGO silicon steel products in China since 1988. As the exclusive user of Bao-steel and in collaboration with Baosteel, we have established a joint laboratory to ensure the highest quality standards.
3.How can we guarantee quality?
We adhere to the ISO9001:2015 Standard. Our engineers conduct meticulous calculations before production, and each product undergoes rigorous testing before dispatch to guarantee quality.
4. Why should you choose us over other suppliers?
With over 30 years of expertise in producing transformer cores, we leverage advanced German slitted cutting systems and the Georg 800 cross-cutting E-stack machine. Our annual production capacity exceeds 100,000 tons, ensuring reliability and quality.
Purchasing a good-quality transformer core is critical because it directly affects no-load loss, efficiency, noise, temperature rise, and service life. Below is a practical, industry-oriented guide you can use when sourcing cores from any supplier.
1. Define Your Technical Requirements First
Before contacting suppliers, be very clear about:
(a) Electrical parameters
-
Transformer type: distribution / power / dry-type / amorphous
-
Rating (kVA / MVA)
-
Frequency: 50 Hz or 60 Hz
-
Voltage class
-
Target no-load loss (W) and exciting current (%)
-
Noise limits (especially for distribution transformers)
(b) Core structure
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Core type: 3-leg, 5-leg, shell type
-
Joint type: step-lap (preferred) or mitred
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Stacking factor requirement (≥ 0.97 for GO steel)
-
Lamination thickness:
-
GO silicon steel: 0.23 / 0.27 / 0.30 mm
-
Amorphous: ~0.025 mm
-
2. Select the Right Core Material
(a) Grain-Oriented Silicon Steel (GOES)
Key points:
-
Use Hi-B or Laser-scribed Hi-B
-
Check steel brand and grade:
-
Examples: 23ZH90, 23ZH100, 27Q120, 30Q130
-
-
Request original mill test certificate (MTC)
Important parameters to verify:
-
Core loss (W/kg) @ 1.7 T
-
Magnetic induction (B800 or B1000)
-
Aging factor
-
Coating type (C-5 / C-6)
(b) Amorphous Alloy (for ultra-low loss)
-
Confirm alloy brand and ribbon source
-
Check annealing process and brittleness control
-
Ensure supplier has experience in amorphous cut-core handling
3. Evaluate the Core Manufacturer (Very Important)
A good core is not only about steel-it's about processing capability.
Ask about:
-
Core cutting line (Georg, Föppl, or equivalent)
-
Automatic step-lap cutting & stacking
-
Annealing furnace (temperature control & atmosphere)
-
Quality inspection equipment
Factory quality system:
-
ISO 9001 mandatory
-
ISO 14001 / ISO 45001 preferred
-
Experience with utility / EPC / export projects
4. Key Quality Checks Before Purchase
Request the following before mass order:
(a) Prototype or sample core test
Ask for:
-
No-load loss (W)
-
Exciting current (%)
-
Noise level (dB)
-
Core weight & dimensions
(b) Documentation
-
Steel MTC from original mill
-
Core loss test report
-
Dimensional drawing
-
Packing & rust-prevention method
(c) Joint & stacking inspection
-
Step-lap consistency
-
No burrs on lamination edges
-
Uniform pressure on yokes
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Proper insulation coating (no peeling)
5. Packaging & Logistics (Often Overlooked)
Poor packing can destroy a good core.
Ensure:
-
Anti-rust protection (VCI paper / oil film)
-
Strong wooden crate with shock protection
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No lamination displacement during transport
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Moisture protection for sea shipment
6. Supplier Qualification Checklist (Quick Use)
Uses branded GO steel (not mixed grades)
Provides mill certificates
Has step-lap cutting lines
Offers loss guarantee (contractual)
Supports FAT / third-party inspection
Has stable export experience
7. Recommended Purchasing Process
-
Shortlist 2-3 qualified core manufacturers
-
Compare technical proposal, not only price
-
Request sample core or reference projects
-
Place trial order
-
Approve supplier for long-term cooperation
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI2441024". Items marked "
" are certified.
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Company Profile
Since 1988, Wuxi Julong Silicon Steel Co., Ltd concentrated on oil immersed transformer cores, dry-type transformer cores, and 800KV ultra-high voltage power transformer cores, also supplies grain oriented silicon steel slit coil, OEM lamination and assembled core. We are exclusive user of Bao-steel and has Bao-steel Julong Joint Laboratory, engaged in deep cooperation in the field of ultra thin and ultra thick oriented silicon steel for high energy efficiency transformer, low noise silicon steel processing market adaptability. We have cooperated with Siemens Energy, ABB, Schneider, Wujiang Transfromer. We have 30, 000tons oriented silicon steel in our warehouse and 58 international and domestic advanced longitudinal and transverse cutting production lines, including German GEORG Precision Cut TBA800 E-Stacker, TBA1000, and TBA800, with an annual output of over 100, 000 tons of oriented electrical steel products. Wuxi julong silicon steel Co., Ltd is located in wuxi city, Jiangsu province, covers an area of about 68, 000 square meter.
About Our Factory & Business Background
- Address
- Five Star Industrial Development Zone of Donggang Town, Wuxi, Jiangsu, China
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month -
Nearest Port
- Shanghai Port
-
Minimum Order Quantity
- 1 Ton
-
Supply Chain Partners
- 100
Our Production Capability & Technical Expertise
- Main Products
- Oriented Silicon Steel Coil, Oriented Silicon Steel Lamination, Transformer Core, Goes, Oriented Silicon Steel Mother Coil, Oriented Slitted Silicon Steel, Oriented Electrical Steel, CRGO Silicon Steel, Transformer Core Lamination, Oriented Silicon Steel
-
Production Lines
- 3
-
Production Machines
- Cutting machine, Laminating machine, Testing machine, Uncoiling slitting machine
-
QA/QC inspectors
- 9 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 5 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Export Year
- 18 Years
-
Main Markets
- Europe, Domestic
-
Number of Foreign Trading Staff
- 3
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015, ISO50001
FAQ
- Which products can we provide?
- We offer a range of products including CRGO mother coils, slit coils, transformer laminations, and OEM transformer cores.
- Who are we?
- We are the pioneers of CRGO silicon steel products in China since 1988. As the exclusive user of Bao-steel and in collaboration with Baosteel, we have established a joint laboratory to ensure the highest quality standards.
- How can we guarantee quality?
- We adhere to the ISO9001:2015 Standard. Our engineers conduct meticulous calculations before production, and each product undergoes rigorous testing before dispatch to guarantee quality.
- Why should you choose us over other suppliers?
- With over 30 years of expertise in producing transformer cores, we leverage advanced German slitted cutting systems and the Georg 800 cross-cutting E-stack machine. Our annual production capacity exceeds 100,000 tons, ensuring reliability and quality.
- What are the minimum order quantity and lead time?
- The minimum order quantity is 1 Ton. The average lead time is one month for both peak and off-peak seasons.
- What payment terms do you accept?
- We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payment.
- Do you offer customization services?
- Yes, we offer customization from samples, designs, full customization, minor customization, and flexible customization options.
- What certifications do you hold?
- We hold ISO9001:2015 and ISO50001 management system certifications.
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