ASTM Standard A876 Cold Rolled Grain-Oriented Electrical Silicon Steel(GOES) Coil

Short Description:

ASTM A876 Silicon Steel Coil is grain-oriented electrical steel (GOES) designed for use in transformer cores and static electromagnetic devices. Especially, it has excellent magnetic properties in RD and is one of the most commonly using high grade electrical steel in power industry due to its excellent properties.

Standard: ASTM

Thickness: 0.18mm-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

Product Tags

Product Detail

General Information

Item	Description
Product Name	ASTM A876 Silicon Steel Coil
Steel Type	Grain-Oriented Electrical Steel (GOES)
Manufacturing Process	Cold-Rolled Grain-Oriented (CRGO)
Standard	ASTM A876 / A876M
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	Highly oriented along rolling direction (GOES)
Core Loss	Very low for high-efficiency transformers
Magnetic Permeability	Excellent along rolling direction
Magnetic Induction	High
Performance Stability	Stable under long-term continuous operation

Available Thickness

Thickness (mm)	Typical Application
0.18 – 0.20	Small power transformers, distribution transformers
0.23 – 0.27	Medium power transformers, industrial transformers
0.30 – 0.35	Large power transformers, high-efficiency transformers

ASTM A876 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 (%)
A876-180	0.18	7.65	0.60	≥ 1.85	≥ 96.0
A876-200	0.20	7.65	0.65	≥ 1.85	≥ 96.0
A876-230	0.23	7.65	0.70	≥ 1.86	≥ 95.5
A876-270	0.27	7.65	0.75	≥ 1.87	≥ 95.0
A876-300	0.30	7.65	0.80	≥ 1.88	≥ 94.5
A876-350	0.35	7.65	0.85	≥ 1.88	≥ 94.0

ASTM A876 Silicon Steel Coil Customized Content

Customization Category	Available Options	Description / Notes
Dimensions	Thickness, width, coil weight	Thickness: 0.18 / 0.20 / 0.23 / 0.27 / 0.30 / 0.35 mm; Width: 600–1,250 mm; Coil weight: 3–10 MT or as required
Magnetic Grade	Core loss levels (W/kg), B50 induction	Magnetic loss grades customized for power transformers, distribution transformers, and high-efficiency applications
Processing	Slitting, cut-to-length, edge trimming, stress relief annealing	Coils can be slit into narrow strips or cut into sheets for transformer core lamination
Surface Insulation	C2, C3, C5 insulation coatings	Coatings improve interlaminar resistance and reduce eddy current loss
Grain Orientation	Grain-oriented (along rolling direction)	Ensures maximum magnetic performance along the rolling direction for transformer cores
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

Power Transformers: Excellent for distribution and power transformer cores; boasts very low core loss, high magnetic induction along the rolling direction and very high permeability, resulting in high efficiency.

Energy-Efficient Industrial Transformer: Medium to large industrial transformers with low energy loss and excellent magnetic performance.

Reactors and Chokes: Great for laminated cores in inductors and reactors, magnetic stability and low iron loss under continuous operation.

Renewable Energy Transformers: Transformer cores for wind turbines, solar inverters and other renewable energy devices, providing stable operation and energy-saving solutions.

Electrical Distribution Equipment: Switchgear, voltage regulators and industrial control transformers all benefit from their high stacking coefficient and superb magnetic stability.

Power Transformers

Energy-Efficient Industrial Transformer

Reactors and Chokes

Renewable Energy Transformers

Electrical Distribution Equipment

Why Choose Royal Steel Group

1.Consistent and Dependable Supply of ASTM A876 Silicon Steel

2.Excellent Magnetic Performance

3.Broad Range of Specifications and Customizable Processing

4.Strict Quality Control with Complete Traceability

5.Proven Experience in Export and International Logistics

6.Technical Support Tailored to Your Applications

Packaging & Shipping

Packaging

Maintenance-Free Protection: Each coil is covered by thick layer of high intensity plastic film, protecting the coil from moisture, rust, and surface damage during transportation.

Seaworthy Packing for Export: Coils are packed in wooden or steel pallets for container loading.

Identification & Traceability: Every coil is stamped with grade, thickness, width, batch/heat no, and any customers specific project code.

Customized Packaging (optional): The packaging can be customized based on the transportation distance, weather conditions or any other special requests from customers.

Shipping & Logistics

Transport Adapted: For the size of your order, select from FCL (Full Container Load), LCL (Less than Container Load) or by truck.

Reliable Delivery: Royal Steel Group is able to maintain its customers’ schedules without interruption, not delay them, by partnering with experienced shippers.

Broad Experience: We have made a very good job in shipping to North America, Latin America, South East Asia, Europe and etc.

Customized Documentation: We are able to issue full export documentation including MTC (EN 10204 3.1), packing list, invoice and certificates.