High carbon steel wire, cold drawn, processed with the international standard ASTM A-407, which specifies round wire, cold drawing quality properties and planned manufacturing steel springs for mattresses and upholstery.
RECOMMENDED USES For the manufacturing of Bonell type springs, offset springs, cosiflex, assembly, automatic assembly springs, Zelfa type springs, bedframes and mattress frames.
Technical Specifications
|
Gauge |
Diameter (inch / mm) |
Tensile Strength (KSI) |
Tensile Strength (MPa) |
|
Cal. 17 ½ |
0.051 / 1.30 mm |
255 – 295 |
1800 – 2060 |
|
Cal. 17 |
0.054 / 1.37 mm |
250 – 290 |
1760 – 2010 |
|
Cal. 15 |
0.072 / 1.83 mm |
230 – 265 |
1650 – 1890 |
|
Cal. 14 |
0.080 / 2.03 mm |
225 – 260 |
1500 – 1740 |
|
Cal. 13 ½ |
0.087 / 2.20 mm |
220 – 255 |
1517 – 1758 |
|
Cal. 13 |
0.091 / 2.32 mm |
215 – 250 |
1460 – 1680 |
|
Cal. 12 |
0.106 / 2.68 mm |
205 – 235 |
1420 – 1640 |
|
Cal. 11 |
0.120 / 3.06 mm |
225 – 265 |
1551 – 1827 |
|
Cal. 10 |
0.135 / 3.43 mm |
190 – 220 |
1350 – 1560 |
|
Cal. 9 |
0.148 / 3.77 mm |
185 – 215 |
1300 – 1530 |
|
Cal. 8 |
0.162 / 4.12 mm |
180 – 220 |
1241 – 1448 |
|
Cal. 7 |
0.177 / 4.50 mm |
175 – 205 |
1206 – 1435 |
|
Cal. 6 |
0.192 / 4.88 mm |
170 – 200 |
1172 – 1380 |
|
Cal. 5 ½ |
0.197 / 5.00 mm |
165 – 195 |
1138 – 1344 |
