Square wire is a solid metal wire with a square cross-section, used in a wide range of technical, functional, and decorative applications. Compared to round wire, square wire offers flat contact surfaces, improved anti-twist stability, and often greater form rigidity.
It is available in various materials, dimensions, and finishes—either drawn, rolled, or ground to specification.
Key properties of square wire:
- Square cross-section – ideal for flat coil windings or stable mounting
- Enhanced edge stability – reduced twisting or slipping under load
- Precise dimensional control – essential for spring elements or precision tools
- Good workability – especially in copper, brass, aluminium, stainless steel
Applications of square wire:
Square wire is commonly used in:
- Electrical and coil applications (e.g. flat wire coils, transformers)
- Spring and contact systems
- Jewelry making and artistic metalwork
- Fencing, grilles, and architectural elements
- Mechanical construction and model building
Common materials:
Depending on the application, square wire is made from:
- Copper – electrically conductive
- Stainless steel – corrosion-resistant and strong
- Brass – decorative and easy to shape
- Aluminium – lightweight and anodizable
- Carbon steel – high mechanical strength
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