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Standard weight of a wire coil
Method
Weight per metre is the diameter squared divided by 162. Wire is sold in coils, so you enter the length.
The density of steel is 7.85 g/cm³ (7850 kg/m³) throughout. A number is rounded once, when shown; the table below and the calculator above are the same computation.
The "standard weight" is the nominal weight by table or formula. The "mill weight" is what that mill states for its own length; once you pick a mill, the calculation and the amount use it.
Reference table
Common sizes, by the same computation as the calculator.
| Diameter (mm) | kg per metre | kg per 100 m coil |
|---|---|---|
| 1.5 | 0.014 | 1.39 |
| 2 | 0.025 | 2.47 |
| 2.5 | 0.039 | 3.86 |
| 3 | 0.056 | 5.56 |
| 4 | 0.099 | 9.88 |
| 5 | 0.154 | 15.43 |
| 5.5 | 0.187 | 18.67 |
| 6.5 | 0.261 | 26.08 |
| 8 | 0.395 | 39.51 |
| 10 | 0.617 | 61.73 |
wire Ø6.5 weighs 0.261 kg per metre, and a 100 m coil weighs 26.08 kg. Basis: Formula d² ÷ 162.
The standard weight is the nominal weight by table or formula, the same for every mill. The mill weight is what each mill states for its own length. Pick a mill and its weight and today's price become the basis of the amount.
Pick a mill to see the amount at today's price, then use "Add to cart" or "Proforma". There is no online payment; an Ahantime expert calls to complete the purchase.