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Stainless Steel Spring Wire and Spring Steel

We manufactures high quality stainless steel spring wire from 0.15-16.00 mm in bright as well as in stearate coated surface finish.

The stainless steel spring wire is manufactured as per ASTM A 313, EN 10270-3, JIS G4314, BS 2056 & DIN 17224 and other equivalent international standards. It can be supplied in 1/2 hard, 3/4 hard & full hard conditions as well.

Stainless steel spring wire new sizes:

  • Diameter: 3.00-6.00 mm.
  • Grade: 302.
  • Application: springs.
  • Special characteristics: excellent surface finish (pickled), annealed.

Spring steel wire, DIN 17223, grade 11 no. 1.1211, tolerance DIN 2076. Ø 1.7 mm, Ø 0.85 mm.

Stainless steel 1.4310 wire, × 12 Cr Ni 17-7, Ø 1.8 mm, DIN 17224.
Spring steel wire C 72 UNI 3545 - Ø 0.8 mm.

The spring wire is supplied in coils, weight of each is not to exceed 20 kg inner diam.
For Ø 1.7 mm & 1.8 mm is to be 40 cm.
While inner diam. of Ø 0.8 mm & 0.85 mm is to be 20 cm.
All wrapped in canvas & plastics.

Our popular products:
Spring steel for manufacture mattress industry, wire diameter (mm) 1.40 mm - 2.40 mm, tensile strength 1510-1850 N/mm2, reduction in area 40% - 50%, smooth surface with phosphate coated.
Spring wire in 0.2 mm, 0.25 mm, 0.4 mm and 0.5 mm wire dia. for oil seals.
Spring steel 2.50 mm - 8.00 mm wire diameter with patented treatment for manufacture Industrial screens.

Our spring wire is suitably protected from corrosion and against mechanical damage and/or contamination during transport.

Stainless Steel Spring Wire in small coil
Stainless Steel Springs in different size
Stainless Steel Spring Wire coils
Stainless Steel Spring Wire in coils and on spools
Stainless steel spring wire mechanical & physical properties
Grade Tensile strength ( N/mm2 ) Surface
finish
Tolerance
mm
Nominal diameter mm 1.4310 (302)/304 1.4401 (316) 1.4568 (631)
0.15-0.20 2200-2530 1725-1980 1975-2270 Bright ±0.005
0.20 < d ≤ 0.30 2150-2470 1700-1955 1950-2240 Bright/Coated ±0.005
0.30 < d ≤ 0.40 2100-2415 1675-1925 1925-2210 Bright/Coated ±0.008
0.40 < d ≤ 0.50 2050-2355 1650-1895 1900-2185 Bright/Coated ±0.008
0.50 < d ≤ 0.65 2000-2300 1625-1865 1850-2125 Bright/Coated ±0.008
0.65 < d ≤ 0.80 1950-2240 1600-1840 1825-2095 Bright/Coated ±0.010
0.80 < d ≤ 1.00 1900-2185 1575-1810 1800-2070 Coated ±0.010
1.00 < d ≤ 1.25 1850-2125 1550-1780 1750-2010 Coated ±0.015
1.25 < d ≤ 1.50 1800-2070 1500-1725 1700-1955 Coated ±0.015
1.50 < d ≤ 1.75 1750-2010 1450-1665 1650-1895 Coated ±0.015
1.75 < d ≤ 2.00 1700-1955 1400-1610 1600-1840 Coated ±0.015
2.00 < d ≤ 2.50 1650-1895 1350-1550 1550-1780 Coated ±0.020
2.50 < d ≤ 3.00 1600-1840 1300-1495 1500-1725 Coated ±0.020
3.00 < d ≤ 3.50 1550-1780 1250-1435 1450-1665 Coated ±0.020
3.50 < d ≤ 4.25 1500-1725 1225-1410 1400-1610 Coated ±0.020
4.25 < d ≤ 5.00 1450-1665 1200-1380 1350-1550 Coated ±0.025
5.00 < d ≤ 6.00 1400-1610 1150-1320 1300-1495 Coated ±0.025
6.00 < d ≤ 7.00 1350-1550 1125-1290 1250-1435 Coated ±0.025
7.00 < d ≤ 8.50 1300-1495 1075-1235 1250-1435 Coated ±0.030
8.50 < d ≤ 10.00 1250-1435 1050-1205 1250-1435 Coated ±0.030
10.00 < d ≤ 11.00 965-1170 895-1105 --- Coated ±0.030
11.00 < d ≤ 13.00 930-1140 895-1105 --- Coated ±0.030
13.00 < d ≤ 16.00 895-1105 860-1070 --- Coated ±0.030

Spring wire - EN 10270-1 for manufacture mattress industry.

  1. Chemical composition, % by mass
    C Si Mn P S
    0.45-1.00 0.10-0.30 0.50-1.00 0.020 max 0.025 max
  2. Mechanical properties
    Wire diameter
    (mm)
    Permissible deviations (mm) Tensile strength (N/mm2) Reduction in Area
    (%)
    torsion test
    (number of twist)
    Surface Quantity
    (kg)
    2.30 ±0.025 1510-1740 Min. 40 Min. 22 phosphate coated 17 000
    1.42 ±0.020 1595-1835 Min. 40 Min. 25 -- 5 000
  3. Surface quality: the wire shall be smooth and as free as possible from grooves, tears, rust, welds and other surface defects.
  4. Package: coils (orbits) of 500-800 kg, with cardboard cores. Tied with 4 metallic straps and each containing a ring. Wire shipments shall be suitably protected against mechanical damage and/or contamination during transport.

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