What Is Binding Wire? Gauge Chart, Sizes & Uses
23 September 20262 min read
Binding wire is soft annealed steel wire used to tie reinforcement bars in construction. A guide to binding wire, its gauge-to-mm sizes, and how to choose the right one.
Binding wire is soft annealed steel wire used to tie reinforcement bars together in construction. It is known as "tie wire" in the US and "binding wire" in the UK, India, the Middle East and Africa. It is the same product: soft black annealed wire that bends by hand and does not snap when twisted.
Binding wire sizes — gauge chart
Export buyers usually specify diameter by gauge (SWG). The most common binding wire sizes:
| Gauge (SWG) | Diameter (mm) | Use |
|---|---|---|
| 18 | 1.20 | Light tying, thin rebar |
| 16 | 1.60 | Medium-heavy rebar |
| 14 | 2.00 | Heavy rebar, strong tie |
AFA Çelik produces binding wire in the 1.00-2.00 mm range. See our full wire gauge chart for more conversions.
Technical specifications
| Property | Value |
|---|---|
| Material | SAE 1006 |
| Tensile strength | 300-450 MPa |
| Structure | Annealed (soft, black) |
| Packaging | Coil, mastercoil, pallet (export) |
Frequently asked questions
Is binding wire the same as tie wire?
Yes. "Binding wire" and "tie wire" are two names for the same product — soft annealed wire for tying rebar.
What gauge is binding wire?
Commonly 18 gauge (1.20 mm), 16 gauge (1.60 mm) or 14 gauge (2.00 mm), depending on rebar size.
Is binding wire galvanised?
AFA Çelik binding wire is black annealed (bare), soft and economical. It is not galvanised; for permanent outdoor use, galvanised wire is required.
AFA Çelik manufactures binding wire in Adana, Türkiye, with export packaging. Request a quote or contact us.
