- All
- Product Name
- Product Keyword
- Product Model
- Product Summary
- Product Description
- Multi Field Search
| Grade: | |
|---|---|
| Technique: | |
| Tolerance: | |
| Processing services: | |
| Surface Treatment: | |
| Material : | |
| Material Grade: | |
| Quantity: | |
GuoYu Steel specializes in cold-rolled carbon steel coil manufacturing and distribution, equipped with cutting-edge production lines and a professional technical team. Our cold-rolled coils feature meticulous processing, ensuring a flawlessly smooth surface, precise dimensional tolerances, and superior strength and durability. From cutting and welding to various forming processes, our products guarantee consistent, reliable performance. Customized solutions are also available to fulfill your unique application needs and exact specifications.
| Grade | ASTM A284 Grade D Carbon Steel Coils |
| Technique | Cold Rolled |
| Tolerance | ±1% |
| Delivery Time | 7 Days |
| Application | Ship Plate |
| Processing Service | Bending, Welding, Decoiling, Cutting, Punching |
| Special Use | High-Strength Steel Plate |
| Standard | ASTM |
| Surface Treatment | Black/Galvanized/Coated/Oiled/painting |
| Material | ASTM/AISI |
| Material Grade | A36 |
| Surface finish | polished,coated,galvanized,2b,ba,NO.1,checkered,embossed |
Reliable quality. Flexible order quantities.
As a manufacturer, we provide consistent quality and responsive support for every order.
Large or small, we treat each inquiry with the same attention.
Send us your requirements and receive a quick quotation.
Quality Control
Tianjin Guoyu Steel enforces strict quality control across the full production cycle of cold-rolled carbon steel coils—from raw material sourcing to final shipment inspection.
All raw substrates for cold-rolled coils undergo rigorous testing for chemical composition, mechanical performance, and surface integrity before production. Non-compliant materials are rejected outright to safeguard subsequent manufacturing quality.
Critical production parameters (thickness uniformity, flatness, width tolerance, surface smoothness) are continuously tracked during rolling and forming. Real-time line adjustments ensure full adherence to both industry standards and custom customer specifications.
