About Us
Eastern Steel Manufacturing Co.,Ltd is a leading manufacturer and distributor of seamless steel pipe, welded steel pipe, OCTG products and fittings. We supply first-step processing, semi-finished parts and finished parts to help our clients meet fabrication requirements beyond their capacity or to improve operations by moving forward the pre-production processing.
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In this column you can find the steel pipe related articles you need, including industry trends, product standards and materials, and some technical guidelines.
Services
Eastern Steel Manufacturing Co.,Ltd not only improve product production and sales services, but also provide additional value-added services. As long as you need, we can complete your specific needs together.
Facility
Eastern Steel Manufacturing Co.,Ltd not only improve product production and sales services, but also provide additional value-added services. As long as you need, we can complete your specific needs together.
Projects
Many years of large-scale project experience in various fields（Oil & Gas, Construction, Power Energy, Marine & Offshore, Water Treatment, Exploration & Drilling Services, Pipeline & Petrochemical etc.）, professional project team is responsible from receiving until the end of the project.
Non-Oriented Electrical Steel
General Series: 0.30, 0.35, 0.50 and 0.65 mm
High-Efficiency Series: 0.35 and 0.50 mm
Stress-Relief Annealing Series: 0.35 and 0.50 mm
New Energy Vehicle (NEV) Series: 0.20, 0.25, 0.27, 0.30 and 0.35 mm
The tables below list electrical steel grades, nominal thicknesses, densities and magnetic properties by product series. Confirm the test conditions against the original technical datasheet before publication.
| Grade | Nominal Thickness (mm) | Nominal Density (kg/dm³) | Core Loss 1 (W/kg) | Core Loss 2 (W/kg) | Magnetic Induction 1 (T) | Magnetic Induction 2 (T) | Magnetic Induction 3 (T) |
|---|---|---|---|---|---|---|---|
| 30SW230 | 0.30 | 7.65 | 2.30 | 2.90 | 1.49 | 1.60 | 1.70 |
| 35SW230 | 0.35 | 7.60 | 2.30 | 2.90 | 1.49 | 1.62 | 1.70 |
| 35SW250 | 0.35 | 7.65 | 2.50 | 3.14 | 1.49 | 1.62 | 1.70 |
| 35SW270 | 0.35 | 7.65 | 2.70 | 3.36 | 1.49 | 1.62 | 1.70 |
| 35SW300 | 0.35 | 7.65 | 3.00 | 3.74 | 1.49 | 1.62 | 1.70 |
| 35SW330 | 0.35 | 7.65 | 3.30 | 4.12 | 1.50 | 1.62 | 1.71 |
| 35SW360 | 0.35 | 7.65 | 3.60 | 4.55 | 1.51 | 1.63 | 1.72 |
| 35SW400 | 0.35 | 7.65 | 4.00 | 5.10 | 1.53 | 1.64 | 1.74 |
| 35SW440 | 0.35 | 7.70 | 4.40 | 5.60 | 1.54 | 1.65 | 1.74 |
| 50SW230 | 0.50 | 7.60 | 2.30 | 3.00 | 1.49 | 1.62 | 1.70 |
| 50SW250 | 0.50 | 7.60 | 2.50 | 3.21 | 1.49 | 1.62 | 1.70 |
| 50SW270 | 0.50 | 7.65 | 2.70 | 3.47 | 1.49 | 1.62 | 1.70 |
| 50SW290 | 0.50 | 7.65 | 2.90 | 3.71 | 1.49 | 1.62 | 1.70 |
| 50SW310 | 0.50 | 7.65 | 3.10 | 3.95 | 1.49 | 1.62 | 1.70 |
| 50SW330 | 0.50 | 7.65 | 3.30 | 4.20 | 1.49 | 1.60 | 1.70 |
| 50SW350 | 0.50 | 7.65 | 3.50 | 4.45 | 1.50 | 1.62 | 1.70 |
| 50SW400 | 0.50 | 7.70 | 4.00 | 5.10 | 1.53 | 1.64 | 1.73 |
| 50SW470 | 0.50 | 7.70 | 4.70 | 5.90 | 1.54 | 1.65 | 1.74 |
| 50SW530 | 0.50 | 7.70 | 5.30 | 6.66 | 1.56 | 1.65 | 1.75 |
| 50SW600 | 0.50 | 7.75 | 6.00 | 7.55 | 1.57 | 1.67 | 1.76 |
| 50SW700 | 0.50 | 7.80 | 7.00 | 8.80 | 1.60 | 1.69 | 1.77 |
| 50SW800 | 0.50 | 7.80 | 8.00 | 10.10 | 1.60 | 1.70 | 1.78 |
| 50SW1000 | 0.50 | 7.85 | 10.00 | 12.60 | 1.62 | 1.73 | 1.81 |
| 50SW1300 | 0.50 | 7.85 | 13.00 | 16.40 | 1.62 | 1.74 | 1.81 |
| 65SW400 | 0.65 | 7.65 | 4.00 | 5.20 | 1.52 | 1.65 | 1.72 |
| 65SW600 | 0.65 | 7.75 | 6.00 | 7.71 | 1.56 | 1.68 | 1.76 |
| 65SW700 | 0.65 | 7.75 | 7.00 | 8.89 | 1.57 | 1.67 | 1.76 |
| 65SW800 | 0.65 | 7.80 | 8.00 | 10.26 | 1.60 | 1.70 | 1.78 |
| 65SW1000 | 0.65 | 7.80 | 10.00 | 12.77 | 1.61 | 1.71 | 1.80 |
| 65SW1300 | 0.65 | 7.85 | 13.00 | 16.60 | 1.61 | 1.71 | 1.80 |
| Series | Grade | Nominal Thickness (mm) | Nominal Density (kg/dm³) | Maximum Core Loss (W/kg) | Minimum Magnetic Induction (T) |
|---|---|---|---|---|---|
| High-Efficiency | 35SWH250 | 0.35 | 7.65 | 2.50 | 1.68 |
| High-Efficiency | 50SWH470 | 0.50 | 7.70 | 4.70 | 1.72 |
| High-Efficiency | 50SWG470 | 0.50 | 7.75 | 4.70 | 1.72 |
| High-Efficiency | 50SWH600 | 0.50 | 7.75 | 6.00 | 1.72 |
| High-Efficiency | 50SWH800 | 0.50 | 7.80 | 8.00 | 1.74 |
| High-Efficiency | 50SWH1300 | 0.50 | 7.85 | 13.00 | 1.76 |
| Stress-Relief Annealing | 35SWR300 | 0.35 | 7.80 | 3.00 | 1.73 |
| Stress-Relief Annealing | 50SWR350 | 0.50 | 7.80 | 3.50 | 1.74 |
| Stress-Relief Annealing | 50SWR450 | 0.50 | 7.85 | 4.50 | 1.72 |
| Grade | Nominal Thickness (mm) | Nominal Density (kg/dm³) | Maximum Core Loss (W/kg) | Minimum Magnetic Induction (T) |
|---|---|---|---|---|
| 20SW1200 | 0.20 | 7.60 | 12.0 | 1.61 |
| 20SW1500 | 0.20 | 7.65 | 13.0 | 1.64 |
| 25SW1250 | 0.25 | 7.60 | 12.5 | 1.63 |
| 25SW1250H | 0.25 | 7.60 | 12.5 | 1.65 |
| 25SW1300 | 0.25 | 7.60 | 13.0 | 1.63 |
| 27SW1400H | 0.27 | 7.60 | 14.0 | 1.65 |
| 27SW1400 | 0.27 | 7.60 | 14.0 | 1.64 |
| 27SWH1400 | 0.27 | 7.65 | 14.0 | 1.64 |
| 27SWG1400 | 0.27 | 7.65 | 14.0 | 1.67 |
| 30SW1500 | 0.30 | 7.60 | 15.0 | 1.64 |
| 30SWH1500 | 0.30 | 7.65 | 15.0 | 1.65 |
| 30SWG1500 | 0.30 | 7.65 | 15.0 | 1.67 |
| 35SW1700 | 0.35 | 7.60 | 17.0 | 1.64 |
| 35SWG1700 | 0.35 | 7.65 | 17.0 | 1.68 |
| 35SW1700H | 0.35 | 7.60 | 17.0 | 1.63 |
| 35SW1900 | 0.35 | 7.65 | 19.0 | 1.66 |
| 35SWH1900 | 0.35 | 7.65 | 19.0 | 1.67 |
Eastern Steel offers four series of non-oriented electrical steel for motor cores and other electrical equipment. Applications vary by grade, thickness and magnetic performance.
| Product Series | Typical Applications |
|---|---|
| General Series | Industrial motors and household appliance motors |
| High-Efficiency Series | High-efficiency motors and compressors |
| Stress-Relief Annealing Series | Motor cores requiring post-stamping annealing |
| New Energy Vehicle (NEV) Series | Automotive traction motors and other vehicle electric-drive components |
Electrical steel coils are packed with anti-rust paper, protective wrapping, paper corner protectors, steel guards and steel strapping to help reduce the risk of corrosion and mechanical damage during storage and transportation.
| Packaging Component | Description |
|---|---|
| Coil | Electrical steel coil |
| Anti-Rust Protection | Inner anti-rust paper; outer anti-rust paper |
| Protective Wrapping | Plastic protective wrapping |
| Paper Edge Protection | Inner and outer paper corner protectors |
| Steel Plate Protection | Inner, outer and end steel plate guards |
| Steel Corner Protection | Inner and outer steel corner protectors |
| Strapping | Radial steel strapping |
Packaging materials and configuration can be confirmed according to coil dimensions, transportation conditions and order requirements.
The tables below list reference grade designations across selected electrical steel manufacturers. They can help buyers identify grades for technical comparison and sourcing.
Similar grade designations do not necessarily guarantee equivalent magnetic properties or interchangeability. Before substituting one grade for another, verify the applicable standard, nominal thickness, core-loss limits and magnetic properties with the relevant manufacturer.
| Nominal Thickness (mm) | Shougang | NSC | JFE | TKS | POSCO | NI&Sco / NLMK | AK Steel |
|---|---|---|---|---|---|---|---|
| 0.35 | 35SW230 | 35H230 | 35JN230 | M235-35A | 35PN230 | — | — |
| 0.35 | 35SW250 | 35H250 | 35JN250 | M250-35A | 35PN250 | 2413 | M-15 |
| 0.35 | 35SW270 | 35H270 | 35JN270 | M270-35A | 35PN270 | 2412 | M-19 |
| 0.35 | 35SW300 | 35H300 | 35JN300 | M300-35A | 35PN300 | 2411 | M-22 / M-27 |
| 0.35 | 35SW360 | 35H360 | 35JN360 | — | 35PN360 | — | — |
| 0.35 | 35SW440 | 35H440 | 35JN440 | — | 35PN455 | — | — |
| 0.35 | 35SW550 | — | — | — | 35PN560 | — | — |
| 0.50 | 50SW230 | 50H230 | 50JN230 | M230-50A | 50PN230 | — | — |
| 0.50 | 50SW250 | 50H250 | 50JN250 | M250-50A | 50PN250 | — | — |
| 0.50 | 50SW270 | 50H270 | 50JN270 | M270-50A | 50PN270 | 2414 | — |
| 0.50 | 50SW290 | 50H290 | 50JN290 | M290-50A | 50PN290 | 2413 | M-15 |
| 0.50 | 50SW310 | 50H310 | 50JN310 | M310-50A | 50PN310 | 2412 | M-19 |
| 0.50 | 50SW350 | 50H350 | 50JN350 | M350-50A | 50PN350 | — | M-22 |
| 0.50 | 50SW400 | — | — | M400-65A | 50PN400 | — | M-27 / M-36 |
| 0.50 | 50SW470 | 50H470 | 50JN470 | M470-50A | 50PN445 | 2214 | — |
| 0.50 | 50SW600 | 50H600 | 50JN600 | M600-50A | 50PN595 | 2212 | — |
| 0.50 | 50SW700 | 50H700 | 50JN700 | M700-50A | 50PN760 | — | M-47 |
| 0.50 | 50SW800 | 50H800 | 50JN800 | M800-50A | 50PN890 | 2011 | — |
| 0.50 | 50SW1000 | 50H1000 | 50JN1000 | M940-50A | 50PN1015 | — | — |
| 0.50 | 50SW1300 | 50H1300 | 50JN1300 | M1100-50A | 50PN1270 | — | — |
| 0.65 | 65SW400 | — | — | — | 65PN400 | — | — |
| 0.65 | 65SW800 | — | 65JN800 | M800-65A | 65PN890 | — | M-47 |
| 0.65 | 65SW1000 | — | 65JN1000 | M1000-65A | 65PN1015 | — | — |
| 0.65 | 65SW1300 | — | 65JN1300 | M1300-65A | 65PN1270 | — | — |
| Product Series | Nominal Thickness (mm) | Shougang | NSC | JFE | TKS | POSCO | NI&Sco / NLMK | AK Steel |
|---|---|---|---|---|---|---|---|---|
| High-Efficiency | 0.35 | 35SWH250 | — | — | — | — | — | — |
| High-Efficiency | 0.35 | 35SWH300 | — | — | — | — | — | — |
| High-Efficiency | 0.50 | 50SWH470 | — | 50JNE470 | — | — | — | — |
| High-Efficiency | 0.50 | 50SWH600 | — | — | — | — | — | — |
| High-Efficiency | 0.50 | 50SWH1300 | — | — | — | — | — | — |
| Stress-Relief Annealing | 0.50 | 50SWR350 | — | 50JNA350 | — | — | — | — |
| Stress-Relief Annealing | 0.50 | 50SWR1300 | — | — | — | — | — | — |
Q1. What Is Non-Oriented Electrical Steel Used For?
It is used in motor cores and other electrical equipment, including industrial motors, household appliance motors and automotive traction motors.
Q2. How Do I Choose the Right Electrical Steel Grade?
Compare the nominal thickness, core loss and magnetic induction requirements with the intended application.
Q3. What Information Is Needed for an Electrical Steel Quotation?
Provide the required grade, thickness, coil width, quantity and magnetic property requirements.
E-mail: sales@eastern-steels.com
