ASTM Standard A683 Cold Rolled Non-Oriented Electrical Silicon Steel(CRNGO) Coil

Short Description:

ASTM A683 Silicon Steel Coil is a high-quality non-oriented electrical steel (CRNGO – Cold Rolled Non-Oriented), designed for rotating electrical machines, motors, generators, and industrial transformers. It delivers uniform magnetic properties in all directions, ensuring stable performance for high-efficiency electrical applications.

Standard: ASTM

Thickness: 0.27mm-0.35mm

Width: 600mm-1200mm

Length: Coil Or As Required

Supply Ability: 5000 tons Per Month

Process: Coll Rolled

Delivery Time: In stock or 10-25 working days

Payment Term: 30% T/T Advance + 70% Balance

Certificate: ISO

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Product Detail

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Product Detail

General Information

Item	Description
Product Name	ASTM A683 Silicon Steel Coil
Steel Type	Non-Oriented Electrical Steel (CRNGO)
Manufacturing Process	Cold-Rolled Non-Oriented (CRNGO)
Standard	ASTM A683 / A683M
Application Frequency	50 / 60 Hz

Chemical Composition (Typical)

Element	Content
Silicon (Si)	2.5 – 3.2 %
Carbon (C)	≤ 0.005 %
Sulfur (S)	Strictly controlled
Nitrogen (N)	Strictly controlled
Iron (Fe)	Balance

Physical & Magnetic Properties

Property	Description
Grain Orientation	Non-oriented for uniform magnetic properties
Core Loss	Low
Magnetic Permeability	Good
Magnetic Induction	High
Performance Stability	Stable under continuous operation

Available Thickness

Thickness (mm)	Typical Application
0.35	Small & medium motors, generators
0.50	Industrial motors, general-purpose transformers
0.65	Large motors, generators, industrial equipment
0.80	High-performance motors, automotive EV drive motors

ASTM A683 Silicon Steel Coil Size

Trademark (Reference)	Nominal Thickness (mm)	Density (kg/dm³)	Typical Core Loss W/kg (1.7T / 50Hz)	Minimum Magnetic Induction B50 (T)	Minimum Stacking Coefficient (%)
A683-350	0.35	7.65	1.10	≥ 1.65	≥ 95.0
A683-500	0.50	7.65	1.25	≥ 1.66	≥ 95.0
A683-650	0.65	7.65	1.40	≥ 1.67	≥ 94.5
A683-800	0.80	7.65	1.55	≥ 1.68	≥ 94.0

ASTM A683 Silicon Steel Coil Customized Content

Customization Category	Available Options	Description / Notes
Dimensions	Thickness, width, coil weight	Thickness: 0.35 / 0.50 / 0.65 / 0.80 mm; Width: 600–1,200 mm; Coil weight: 3–8 MT or as required
Magnetic Grade	Core loss levels (W/kg), isotropic properties	Magnetic loss grades customized for motors, generators, and industrial equipment
Processing	Slitting, cut-to-length, edge trimming, stress relief annealing	Coils can be slit into narrow strips or cut into sheets for motor and generator core manufacturing
Surface Insulation	C2, C5, C6 insulation coatings	Coatings improve interlaminar resistance and reduce eddy current loss
Grain Orientation	Non-oriented (uniform in all directions)	Ensures consistent magnetic performance for rotating machinery
Marking & Packing	Heat number, coil ID, magnetic grade labels, seaworthy packing	Each coil labeled with standard, grade, size, batch number; packed for long-distance export

Application

Electric Motors: Suitable for AC, DC, and servo motors; provides uniform magnetic properties, achieving smooth rotation and low energy loss.

Generators and AC Generators: Non-oriented silicon steel sheets ensure stable performance in rotating magnetic fields, suitable for power generation.

Industrial Transformers and Reactors: For small to medium-sized industrial transformers and reactors requiring isotropic magnetic properties.

Electric Vehicle Drive Motors: High-performance motors suitable for electric and hybrid vehicles, featuring low iron losses and uniform magnetic induction.

Renewable Energy Generators: Wind turbines, hydroelectric generators, and other renewable energy generators requiring high consistency in magnetic properties.

Electric Motors

Generators and AC Generators

Industrial Transformers and Reactors

Electric Vehicle Drive Motors

Renewable Energy Generators

Why Choose Royal Steel Group

1. Reliable Supply of ASTM A683 Silicon Steel

2. Good Magnetic Properties

3.Wide Specification & Custom Processing

4.Stringent quality control & full traceability

5.Experience in exporting and global logistics support

6.Application-oriented Technical support

Packaging & Shipping

Packaging

Maintenance-Free Protection: Each Coil covers by High Intensity Plastic Film, prevent moisture and rust and surface damage while transportation.

Seaworthy Packing for Export:Coils are packed by wooden or steel pallet for the container shipment.

Identification & Traceability: Each coil is marked with grade, thickness, width, batch/heat number and any customer specific project code.

Optional Customized Packaging: The packaging may be customized according to the distance of transportation, weather conditions and any other special requirements from customers.

Shipping & Logistics

Transport Adapted: For the size of your project, choose between FCL (Full Container Load), LCL (Less than Container Load) or by truck.

Reliable Delivery: Royal Steel Group partners with seasoned shippers to keep customers’ projects on schedule, not delayed.

Extensive experience: We have been very successful in shipping to North America, Latin America, South East Asia, Europe and more.

Tailored Documentation: We can provide full export documentation including MTC (EN 10204 3.1), packing list, invoice and certificates.