What are the main applications for M4 steel?

It is ideal for power transformers, distribution transformers, electrical cores, and renewable energy equipment like solar and wind systems.

How do you ensure product quality?

We select top state-owned or private mills, conduct visual and dimensional tests for each order, and ensure consistent performance through stringent testing.

What is the lead time for delivery?

The average lead time is one month for both peak and off-peak seasons.

Grain-Oriented Silicon Steel CRGO M4

Name: Grain-Oriented Silicon Steel CRGO M4
Brand: Promisteel (Tianjin) Import and Export Co., Ltd
SKU: 2145250852

Tianjin, ChinaPromisteel (Tianjin) Import and Export Co., Ltd

US$1,350.00

20-49 Tons

US$1,320.00

50-99 Tons

US$1,290.00

100+ Tons

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Type

Oriented Silicon Steel

Standard

GB, AISI, ASTM, DIN, BS, JIS

Model NO.

Technique

Cold Rolled

Shape

in Coil

Width

30-1200mm

Coil Weight

Max. 2/5mt

Application

Ferrite Core

Shipment

by Containers

Max. Core [email protected]/50Hz

65/70/75/80/85/90/95/100/110/120W/Kg

Invoicing

on Actual Net Weight Basis

MOQ

20mt

Mill

Baosteel, Wisco, Tisco, Shougang, Angang

Surface

Lasering Scribing

Transport Package

Standard Seaworthy Export Packing

Specification

0.2/0.23/0.27/0.3mm

Trademark

PromiSiS

Origin

China

HS Code

72261900

Production Capacity

100000mt/Year

Key features

Customizable Dimensions: Offers tailored widths from 30-1200mm and specific thicknesses to match project requirements.

Premium Mill Source: Sourced from top mills like Baosteel, Wisco, and Tisco, ensuring consistent high quality.

Versatile Applications: Ideal for power transformers, distribution grids, and renewable energy systems like solar and wind.

Precision Thickness Control: Consistent thickness ranging from 0.23-0.35mm ensures improved performance and stability.

Robust Durability: Resistant to wear and stress, ensuring a long service life for electrical core assemblies.

Secure Packaging: Water-proof paper, plastic films, and desiccants prevent rusting during container shipping.

Company profile

Customization from SamplesManagement CertificationFast DeliveryHigh Repeat Buyers Choice

Promisteel (Tianjin) Import and Export Co., Ltd

Tianjin, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 2 Years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤8.04h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company operating in wholesale and retail, with a business scope covering hardware, plastic, chemical, wood, environmental-protection equipment, and insulation or soundproofing materials. It reports flexible customization services and a clear complaint-handling procedure, but has only one R&D engineer, launched no new products in the past year, provides no SDK, ODM, or popular-brand OEM services, and has no quality-control testing equipment. An ISO 9001:2015 certificate and documented supplier-service procedures are reported, although some certification and quality-control details remain unclear. Financial records are indicated for 2022–2024, but the provided information does not establish financial strength. The supplier has no overseas warehouse, showroom, agent, or branch, but has participated in the Canton Fair.

Supplier typeThe supplier is explicitly described as a trading company, and its stated scope covers wholesale and sales of multiple product categories, including hardware, plastics, chemicals, wood, environmental-protection equipment, and insulation or soundproofing materials. This indicates a broad trading and distribution profile rather than confirmed in-house manufacturing.

CertificationsThe supplier reports holding an ISO 9001:2015 certificate. However, no additional certification details, scope, validity, or issuing-body information are provided, so the assessment is limited to the stated certification.

After-Sales capabilityThe supplier has a documented complaint-handling procedure with followed records and states that it has written procedures and records for service-capability assessment and corrective/preventive actions. However, it lacks overseas warehouses, showrooms, agents, and branches; its overseas service coverage is therefore limited, although it has attended the Canton Fair.

R&D capabilityInnovation resources appear limited: the supplier has one R&D engineer, launched no new products in the past year, has no available SDK, and does not provide ODM services. These are explicit indicators of weak recent product-development activity.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. This supports a broad stated customization service capability, although the information does not document specific technical resources or completed customization projects.

Product Q&A

Q:How is M4 different from other grades?

M4 strikes a balance between performance and cost, offering lower core loss than M5 or M6, making it suitable for medium to high-efficiency transformers.

Q:Can I request specific thicknesses or widths?

Yes, Promisteel offers customization to meet your unique project needs, including tailored dimensions and coatings.

Q:What packaging options are available?

Products are delivered in secure, moisture-resistant packaging to maintain quality during transportation.

Q:Can the product be customized?

Yes, we can provide customized services OEM and ODM according to customer needs, including product slitting width and packaging.

Q:What is the minimum order quantity?

The minimum order quantity is 20mt for the product itself, though general company terms may list 25 tons depending on specific agreements.