Introduction
Mild steel coils are rolled carbon steel products with low carbon content. They are widely used in construction, manufacturing, automotive parts, and metal fabrication.
| Tolerance | ±1% |
| Grade | Carbon Steel |
| Standard | JIS, G3302, ASTM, A653M, EN10327, DIN17162, EN10142, EN10147, EN10292 |
| Surface Treatment | Bared, Oiled, Black Painted (varnish coating), Galvanized, Checkered etc. |
| Thickness | 1.0mm-20.0mm, can be customized |
| Width | 50cm-2.2m or as required |
| Application | Automotive Manufacturing, Bridges, Electronic Appliances, Shipbuilding, Automobiles, Roofing, Elevator, Construction |
Key Features
Low Carbon Content for Easy Forming
Mild steel coils contain relatively low carbon levels, allowing the material to be easily bent, formed, and shaped during manufacturing processes.
Good Weldability
The material supports common welding methods, making it suitable for fabrication, structural assembly, and industrial manufacturing.
Smooth Surface and Uniform Thickness
Produced through controlled rolling processes, mild steel coils provide consistent thickness and surface quality for downstream processing.
Materials and Chemical composition
Core chemical composition (mass fraction %):
| Carbon (C) | Silicon (Si) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) | iron (Fe) |
| ≤ 0.25 (core indicator) | ≤ 0.35 | ≤ 1.60 | ≤ 0.050 | ≤ 0.050 | margin |
Mechanical properties
Low-carbon steel coils have the core advantages of "easy processing, high plasticity, and good welding", and their mechanical properties are balanced and suitable for various application scenarios:
| Yield strength (σs) | Tensile strength (σb) | Elongation (δ5) | Impact energy (Akv) | Welding performance |
| 235 - 245 MPa (≥) | 360 - 510 MPa | ≥ 25% | ≥ 27 J | Excellent |
Customization Services
To meet different industrial requirements, we offer flexible customization services for mild steel coils.
Slitting and Cutting Services
Coils can be slit into narrower strips or cut into sheets depending on manufacturing needs.
Surface Treatment Options
Surface finishes such as oiled surface, pickled surface, or coated finishes are available.
Material Grade Options
Different mild steel grades can be provided based on mechanical property and application requirements.
FAQs
Q:What is the difference between mild steel coils and high carbon steel coils?
A:Mild steel coils contain lower carbon content, which makes them easier to form and weld compared to high carbon steel.
Q:How should mild steel coils be stored before processing?
A:They should be stored in dry environments and protected from moisture to prevent surface rust before further processing.
Q:Do mild steel coils require additional processing before use?
A:Depending on the application, coils may undergo processes such as slitting, cutting into sheets or surface treatment before final use.
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