Spring Wire

Steel wire for springs is a product with specifications and technical characteristics that enables various applications, particularly in the manufacture of springs and frames for the mattress industry as well as other industrial applications.

Steel wire for springs is manufactured according to the specific demands of customers. These demands are achieved through strict criteria when selecting raw-material, resulting in a uniform finishing.

Material can be commercialised in rolls, coils or wire carriers.

Mechanical and Geometrical Values
Nominal diameter Tolerances Tensile strenght Minimum number of twists
SL SM SH
mm mm MPa MPa MPa d
1.20 < d ≤ 1.25 ± 0.020 1660-1900 1910-2140 2150-2380 25
1.25 < d ≤ 1.30 1640-1890 1900-2130 2140-2370
1.30 < d ≤ 1.40 1620-1860 1870-2100 2110-2340
1.40 < d ≤ 1.50 1600-1840 1850-2080 2090-2310 22
1.50 < d ≤ 1.60 1590-1820 1830-2050 2060-2290
1.60 < d ≤ 1.70 1570-1800 1810-2030 2040-2260
1.70 < d ≤ 1.80 ± 0.025 1550-1780 1790-2010 2020-2240
1.80 < d ≤ 1.90 1540-1760 1770-1990 2000-2220
1.90 < d ≤ 2.00 1520-1750 1760-1970 1980-2200
2.00 < d ≤ 2.10 1510-1730 1740-1960 1970-2180
2.10 < d ≤ 2.25 1490-1710 1720-1930 1940-2150
2.25 < d ≤ 2.40 1470-1690 1700-1910 1920-2130
2.40 < d ≤ 2.50 1460-1680 1690-1890 1900-2110
2.50 < d ≤ 2.60 1450-1660 1670-1880 1890-2100
2.60 < d ≤ 2.80 ± 0.030 1420-1640 1650-1850 1860-2070
2.80 < d ≤ 3.00 1410-1620 1630-1830 1840-2040
3.00 < d ≤ 3.20 1390-1600 1610-1810 1820-2020
3.20 < d ≤ 3.40 1370-1580 1590-1780 1790-1990 16
3.40 < d ≤ 3.60 1350-1560 1570-1760 1770-1970
3.60 < d ≤ 3.80 1340-1540 1550-1740 1750-1950
3.80 < d ≤ 4.00 1320-1520 1530-1730 1740-1930
4.00 < d ≤ 4.25 ± 0.035 1310-1500 1510-1700 1710-1900
4.25 < d ≤ 4.50 1290-1490 1500-1680 1690-1880 12
4.50 < d ≤ 4.75 1270-1470 1480-1670 1680-1860
4.75 < d ≤ 5.00 1260-1450 1460-1650 1660-1840
standard: EN 10270-1: 2011

Other specifications on request.

Some examples:

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