Ultra-Thin Electrical Steel Sheet
SXY Steel Group manufactures mill-certified Ultra-Thin Cold Rolled Grain Oriented (CRGO) and Non-Oriented (CRNGO) electrical silicon steel sheets, precision-engineered for ultra-high frequency aviation generators, drone motors, high-efficiency transformer cores, and advanced medical equipment. We guarantee elite directional magnetic permeability, microscopic core loss thresholds, and high stacking factor execution under direct [2-Hour Rapid Quote] mill terms.
Struggling with slow factory responses while your commercial bidding deadline or critical high-frequency lamination production schedule collapses? Eliminate eddy current core losses and acquire your verified ultra-thin electrical steel testing certificates immediately.
PRODUCT DETAILS
Premium Ultra-Thin Electrical Steel Three-Standard Cross Matrix
| European Standard (EN 10107 / 10106) | American Standard (ASTM A876 / A677) | Japanese Standard (JIS C2553 / C2552) | Nominal Thickness | Core Loss Threshold Limits |
|---|---|---|---|---|
| EN M140-30S (Oriented) | ASTM 30H140 | JIS 30H140 | 0.30 mm | ≤ 1.40 W/kg (at 1.7T/50Hz) |
| EN M120-23S (Oriented) | ASTM 23H120 | JIS 23H120 | 0.23 mm Super-Thin | ≤ 1.20 W/kg (at 1.7T/50Hz) |
| EN 35M250 (Non-Oriented) | ASTM 36F190 | JIS 35A250 | 0.35 mm Thin-Gauge | ≤ 2.50 W/kg (at 1.5T/50Hz) |
Technical QA/QC Verification
• 100% Verifiable Mill Certificates: Every batch is accompanied by comprehensive EN 10204 3.1 Mill Test Certificates (MTC) documenting explicit heat chemistry numbers, verified core loss logs, and coating insulation thickness performance. Fully prepared for inspection by SGS, Bureau Veritas, or Intertek.
• Financial Security Guarantee: We eliminate cross-border transaction risk completely by processing high-volume manufacturing export supply agreements through 100% Irrevocable Letters of Credit (L/C) at sight.
Anti-Rust Packaging & Ocean Logistics
• Industrial Seaworthy Radial Packaging: Products are enclosed within heavy-gauge outer steel covers, utilizing hard-tempered internal and external metal corner shrouds, high-load tension strapping, and fortified timber export pallet configurations.
• Extended Port Demurrage Allocations: SXY Steel Group secures 14 to 21 days of complimentary container demurrage at your destination terminal to shield local logistics workflows and customs clearance steps from storage surcharges.
Specifications
| Item | Specification |
|---|---|
| Product Name | Electrical Steel, Lamination Steel, Silicon Electrical Steel, Silicon Steel, Relay Steel, Transformer Steel |
| Category | Grain-Oriented Electrical Steel; Non-oriented electrical steel |
| Standard | AISI, ASTM, BS, DIN, GB, JIS, EN |
| Thickness | 0.27-0.50 mm |
| Width | 900-1230 mm |
| Brand | Gnee |
| Origin | China |
Product Advantages
1.Stable performance
2.Excellent processing performance: High precision dimension and excellent mechanical properties make it easy to be sheared, punched and stacked by high speed punch machine. It also have good welding performance.
3.Excellent performance of Insulating coating: Uniform color, good insulation, high adhesion, excellent heat resistance and excellent processing performance
Mechanical Property
| Grade | Ultra-Tension Strength (N/mm²) | Ductility (%) | Hardness (HV1) |
|---|---|---|---|
| M35W230 | 430 | 20 | 225 |
| M35W250 | 415 | 20.5 | 220 |
| M35W270 | 400 | 20.5 | 215 |
| M35W300 | 360 | 21.5 | 195 |
| M35W360 | 350 | 23.5 | 190 |
| M35W440 | 275 | 27.5 | 165 |
| M35W550 | 265 | 33.5 | 160 |
| M50W250 | 430 | 19 | 230 |
| M50W270 | 410 | 21.5 | 225 |
| M50W290 | 395 | 22.5 | 220 |
| M50W310 | 385 | 24.5 | 210 |
| M50W350 | 350 | 26.5 | 190 |
| M50W400 | 320 | 36 | 170 |
| M50W470 | 295 | 35 | 160 |
| M50W600 | 280 | 37 | 140 |
| M50W800 | 285 | 38.5 | 135 |
| M50W1300(D) | 250 | 40 | 11 |
Insulating Coating
| Coating Property | M11 | M21 |
|---|---|---|
| Component | Chromium containing, semi organic coating | Chromium free, semi organic coating |
| Coating thickness (µm) | 0.7~1.5 | 0.8~5.0 |
| Interlayer resistance (Ω·mm²/slice) | ≥100 | ≥100 |
| Adhesive property | Class A or class B | Class A or class B |
| Punching property | Excellent | Excellent |
| Antirust property | Excellent | Excellent |
| Heat resisting property | Resistant annealing at 750 C, N₂ protection, for 2h | Annealing resistance in general |
Product Application
| Application Field | Purpose / Application |
|---|---|
| Rotary machine | Large motor |
| Medium motor | |
| Compressor motor | |
| General Motors | |
| Small precision motor | |
| Motor for electric vehicle | |
| The Immobilizer | High frequency working motor |
| Miniature power supply transformer | |
| Instrument use transformer | |
| Reactor | |
| Welding machine use transformer | |
| Power switch | |
| Manostat | |
| Magnetic sealing unit | |
| Electromagnet for accelerator |

Packing and shipping
Our company has passed ISO9001 quality management system certification, Our Mill product with CE/EN10204 / ASTM/Classification society certificate/CASO/BIS etc certificate.All the customers give good appreciation to our products.We are glad to be your good partner.

Application Areas
Steel is widely used in steel structure workshops, bridge frames, main structures of high-rise buildings, and infrastructure construction (such as highways, oil and gas pipelines). Its high strength properties ensure load-bearing stability and seismic performance. In ship manufacturing, steel is used to build hull structures, decks, and internal components. Hot-rolled coils rely on their load-bearing capacity to adapt to harsh environments.

Factory workshop
With a commitment to excellence, innovation, and sustainability, the company has established itself as a trusted partner in the international steel industry.After nearly two decades of relentless endeavour, our client base now spans over 110 countries and regions across Europe, the Middle East, South America, and Southeast Asia.

Free Core Stator Slitting Optimization & Lamination Stacking Efficiency Report
Submitting technical parameters for electrical transformer frames, rotating motor assemblies, high-speed stamping operations, or specialized magnetic laminations? Provide your exact slit width criteria, coil weight limitations, internal roll diameter specifications, or raw material Bill of Materials (BOM) designs below. The engineering department at SXY Steel Group will quickly provide a material layout optimization report to eliminate manufacturing scrap and protect total production margins.









