Table of Contents
Market Insight: Non Grain Oriented Steel in Power Industry
Market Analysis: Sourcing High-Quality Silicon Steel (Electrical Steel)
Industrial Demand Drivers for Non-Grain Oriented Electrical Steel
Non-grain oriented electrical steel (NOES) is foundational for rotating machinery (e.g., electric motors, generators) and small-to-medium power transformers where magnetic flux direction is dynamic. Global demand is accelerating due to:
Industrial electrification: EV motor production (20% CAGR), renewable energy systems (wind/solar inverters), and industrial automation.
Regulatory pressure: IE4/IE5 efficiency standards mandate ultra-low core losses, directly linking material quality to energy savings.
Cost sensitivity: Motor manufacturers prioritize NOES with optimal cost-per-performance ratios for mass-market applications.
Critical Quality Parameters for Transformer & Motor Efficiency
Suboptimal NOES increases core losses (hysteresis/eddy currents), raising operational costs and thermal stress. Precision in these parameters is non-negotiable:
| Parameter | Impact on Performance | Industry Standard |
|---|---|---|
| Core Loss (W/kg @ 1.5T, 50Hz) | Directly dictates energy waste; 0.1W/kg reduction saves 5–8% lifetime energy costs | ≤2.50 for 0.5mm grade |
| Magnetic Induction (B50) | Higher induction enables smaller core designs, reducing material costs and weight | ≥1.65T |
| Thickness Tolerance | ±0.01mm precision ensures uniform stacking, minimizing air gaps and eddy currents | ±0.015mm max |
Why Luoyang Xinzhaohe Delivers Reliable Performance
As a 20+ year ISO 9001-certified manufacturer, we deliver factory-direct NOES engineered for cost-sensitive industrial applications without compromising on critical specs. Our production rigor ensures:
| Metric | Luoyang Xinzhaohe | Industry Average |
|---|---|---|
| Core Loss Consistency | ±3% batch-to-batch | ±7–10% |
| Lead Time | 15–20 days | 30–45 days |
| Cost Efficiency | 15–20% lower than premium brands | Premium pricing |
Key Advantages:
Customizable Grades: Tailored specifications (e.g., 50W470, 35W300) for motor stators, transformer cores, and high-frequency applications.
Global Compliance: Meets IEC 60404-8-5, ASTM A677, and JEITA standards.
Supply Chain Agility: Integrated logistics from Luoyang plant to global ports, ensuring on-time delivery for high-volume orders.
Luoyang Xinzhaohe combines Chinese manufacturing efficiency with German-engineered quality control—delivering industry-leading cost-performance ratios for mission-critical electrical steel applications.
Technical Specs: Non Grain Oriented Steel Parameters
Technical Specifications & Standards for Non-Grain Oriented Silicon Steel
Core Loss Performance
Core loss (iron loss) directly impacts transformer efficiency. Our non-grain oriented silicon steel complies with IEC 60404-8-4 and ASTM A677, ensuring optimal energy savings. Key grades feature industry-leading loss values:
| Grade | 1.5T @ 50Hz (W/kg) | 1.5T @ 60Hz (W/kg) | Standard Compliance |
|---|---|---|---|
| 50H350 | ≤3.50 | ≤4.00 | IEC 60404-8-4, ASTM A677 |
| 35H300 | ≤3.00 | ≤3.40 | IEC 60404-8-4, ASTM A677 |
| 30H250 | ≤2.50 | ≤2.85 | IEC 60404-8-4, ASTM A677 |
Magnetic Flux Density
High saturation flux density enables compact, efficient transformer designs. All grades deliver consistent B50 values per international standards:
| Grade | B50 (Tesla) | Standard Compliance |
|---|---|---|
| 50H350 | ≥1.80 | IEC 60404-8-4 |
| 35H300 | ≥1.82 | IEC 60404-8-4 |
| 30H250 | ≥1.85 | IEC 60404-8-4 |
Lamination Flatness & Surface Quality
Precision lamination flatness ≤0.05 mm/m with surface defects <0.02 mm depth. Strict adherence to IEC 60404-11 ensures seamless core stacking, minimizing air gaps and eddy current losses.
Insulation Coating Specifications
Customizable coatings (C4, C5, C6 per ASTM A677) provide:
Dielectric strength >2.5 kV
Thermal stability up to 200°C
Adhesion strength ≥5 N/mm
Thickness tolerance ±0.5 μm for uniform electrical insulation
Quality Assurance
Luoyang Xinzhaohe leverages 20+ years of manufacturing expertise to deliver batch-to-batch consistency. Every shipment undergoes:
Epstein frame testing for core loss
Hall effect sensors for flux density validation
Automated optical inspection for flatness/coating integrity
ISO 9001-certified process controls
As a China-based manufacturer, we provide transformer manufacturers with a cost-optimized alternative to global brands, without compromising on performance or reliability. All products are rigorously tested to meet or exceed international standards, ensuring seamless integration into your production workflow.
Factory Tour: Manufacturing Non Grain Oriented Steel
Manufacturing Process & Quality Control
Precision Manufacturing Workflow
Slitting: CNC-controlled slitting lines achieve edge quality within ±0.015mm tolerance and zero burr formation, minimizing eddy current losses and maximizing stacking factor.
Annealing: N₂/H₂ atmosphere furnaces operate at 800–850°C with precise cooling profiles, reducing core loss by 5–8% versus industry averages.
Insulation Coating: C5/C6 organic coatings applied via roll-coating with ±0.5μm thickness uniformity. Adhesion validated per ASTM D3359 (4B rating), exceeding standard 3B industry benchmarks.
Precision Cutting: Laser-guided shearing ensures ±0.05mm dimensional tolerance and 0.1mm/m straightness, critical for core assembly efficiency.
Quality Assurance Protocols
Every batch undergoes 100% inspection per ISO 9001 protocols, with traceable test reports for full transparency:
Tensile Testing (ASTM A370): Yield strength controlled within ±10 MPa (vs. industry ±20 MPa)
Thickness Verification: Laser micrometers (0.01mm resolution) for 100% thickness checks
Magnetic Validation: Epstein frame testing (IEC 60404-2) with core loss results 5–10% below industry benchmarks
| Parameter | Generic Market Standard | Luoyang Xinzhaohe Standard | Advantage |
|---|---|---|---|
| Thickness Tolerance | ±0.02mm | ±0.015mm | 25% tighter control |
| Edge Burr | ≤0.03mm | ≤0.015mm | 50% reduction, improved stacking |
| Core Loss (P1.5/50) | ≤3.0 W/kg | ≤2.8 W/kg | 6.7% lower loss |
| Tensile Strength Range | 350–450 MPa | 380–420 MPa | Consistent mechanical properties |
Leveraging 20+ years of specialized expertise, Luoyang Xinzhaohe delivers superior magnetic performance and dimensional consistency at 15–20% lower cost than global brands, ensuring optimal transformer efficiency and lifecycle value.
Packaging & Global Logistics
Export Packaging & Logistics: Ensuring Integrity from Factory to Port
As a leading Chinese manufacturer with 20+ years of experience in electrical steel production and export, Luoyang Xinzhaohe Aluminum CO., Ltd. ensures every shipment of non-grain oriented silicon steel meets rigorous international standards. Our packaging and logistics protocols are engineered to prevent damage during sea freight, preserving material integrity and reducing total cost of ownership. As a factory-direct supplier, we eliminate third-party markups while maintaining compliance with ISO 9001 and ASTM standards—delivering superior value versus global competitors.
Precision Packaging Standards for Electrical Steel
Our packaging system is designed specifically for the sensitivity of electrical steel to moisture and mechanical stress. Each component is optimized for maximum protection:
| Component | Specification | Purpose |
|---|---|---|
| Wooden Pallets | ISPM-15 compliant, 1200×1000mm, 15mm thickness | Prevents moisture ingress, structural support; meets international phytosanitary regulations |
| Moisture-Proof Film | Multi-layer PE (150μm), VCI additive | Corrosion inhibition, humidity barrier; includes desiccant packs for extended voyages |
| Steel Strapping | 19mm width, 1.0mm thickness, tension ≥150kg | Secures coils to pallets, prevents shifting during container loading/unloading |
| Corner Protectors | Reinforced cardboard (100mm height) | Edge protection during forklift handling and stacking |
This multi-layered approach ensures compliance with ISO 6520 for electrical steel packaging, minimizing rust and physical damage during transit.
Sea Freight Protocol & Global Delivery
We leverage established shipping routes and containerized logistics to ensure timely, secure delivery. All processes comply with ISO 9001 and industry best practices:
| Parameter | Detail | Benefit |
|---|---|---|
| Shipping Ports | Qingdao, Shanghai (primary), Ningbo | Efficient export routes; 95% of shipments depart within 48 hours of production |
| Container Type | 20ft/40ft FCL, sealed with tamper-evident seals | Dedicated space; no cross-contamination; optimized coil stacking with spacers |
| Transit Time | Europe: 25-30 days; North America: 20-25 days; SEA: 7-14 days | Predictable delivery schedules with real-time GPS tracking |
| Inland Transport | Rail-to-port coordination, GPS-tracked trucks | Minimizes handling; reduces transit damage risk by 40% vs. truck-only transport |
Our logistics partners maintain strict temperature and humidity controls within containers, with real-time monitoring to prevent condensation. All shipments include detailed packing lists and customs documentation to expedite clearance at destination ports.
By integrating advanced packaging techniques with streamlined logistics, Luoyang Xinzhaohe delivers electrical steel that meets the exacting standards of global transformer manufacturers at competitive pricing. Our proven track record—zero cargo damage claims in 2023 across 12,000+ metric tons shipped—proves our commitment to reliability and cost efficiency. Choose us for seamless, cost-effective supply chain solutions.
Sourcing from Luoyang Xinzhaohe
Why Partner with Luoyang Xinzhaohe Aluminum CO., Ltd.
Two Decades of Specialized Expertise in NGO Electrical Steel
Luoyang Xinzhaohe Aluminum CO., Ltd. brings over 20 years of specialized expertise in manufacturing high-performance non-grain oriented (NGO) electrical steel. Our production processes are refined through continuous R&D and strict adherence to international standards including IEC 60404-8-5 and ASTM A677. We specialize in delivering consistent magnetic properties and mechanical characteristics critical for transformer core efficiency. Our engineers optimize silicon content (2.9–3.3%) and annealing processes to minimize core loss and maximize permeability, ensuring optimal performance in power transformers and motors. Our technical team collaborates closely with clients to optimize material selection for specific applications, whether for distribution transformers, electric motors, or industrial equipment.
Unmatched Cost-Performance Ratio
By operating as a direct manufacturer without intermediary markups, we deliver premium NGO electrical steel at significantly lower costs. Our vertically integrated production process—from raw material sourcing to final inspection—ensures cost efficiency and consistent output. Below is a comparative analysis of key metrics against leading global suppliers:
| Parameter | Global Brands | Luoyang Xinzhaohe | Advantage |
|---|---|---|---|
| Core Loss (P1.5/50, 0.5mm) | 2.0–2.4 W/kg | 1.9–2.2 W/kg | 5–10% lower |
| Thickness Tolerance | ±0.01 mm | ±0.008 mm | 20% tighter |
| Cost per Ton | $800–$1,200 | $650–$900 | 15–25% savings |
| Lead Time | 4–6 weeks | 2–3 weeks | 30–50% faster |
This combination of precision engineering and cost efficiency enables clients to achieve higher transformer efficiency while reducing material costs by up to 25%.
ISO-Certified Quality Assurance
All products comply with ISO 9001:2015 quality management standards. Each coil undergoes comprehensive testing, including core loss measurement (using Epstein frame per IEC 60404-3), thickness uniformity checks (±0.008 mm tolerance), and surface defect inspections. Our quality control protocols include third-party audits and traceability systems, ensuring full compliance with customer-specific requirements. This rigorous process guarantees 99.8% defect-free shipments and consistent performance in critical applications.
Contact Cathy at cathy@transformerstrip.com for a quote and technical datasheet. Leverage our expertise to optimize your transformer design and reduce total cost of ownership.
📉 Import Savings Calculator
Estimate cost reduction by sourcing non grain oriented steel from Luoyang Xinzhaohe.