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Spring wire

  1. Standard: DIN17223-1-1984, EN10270-1, ASTM-A227, GB4357-89.
  2. Size: 0.20mm-14.0mm.
  3. Multi-purpose in use.

1. General introduction:
Raw material is rigorously selected and approved before put into processing while five main chemical composition results shown as below:

C Si Mn P S
0.40-1.00 Max 0.35 0.30-1.50 Max 0.04 Max 0.04

Conventional technique integrated with modern leading-ged equipment makes our finished products shines on comprehensive functioning and performance when adopted.

For serving spring and wire form industry, high tensile strength is not the ultimate goal to pursue, but the balance of flexibility and tensile strength to prevent our wire from deformed or broken up during winding in spring machine. In addition, for other usage, our products also have gained a sound reputation from the appliance as controlling cable or connecting wire for automobile industry and hard needle. Hot-dipped and electro-galvanized spring wire available.

2. Range of application:

  1. Mattress spring.
  2. Compression spring.
  3. Extension spring.
  4. Torsion spring.
  5. Mechanical spring.
  6. Wire forms.
  7. Core of controlling cable.
  8. Connecting wire.
  9. Hrd needle.

3. Specifications:

  1. 0.30mm-13.00mm to comply with DIN17223-1-1984 Class B.
  2. 0.30mm-3.50mm to comply with DIN1723-1-1984, Class C, EN10270-SH.
  3. 0.30mm-2.00mm to comply with DIN1723-1-1984 Class D.
  4. 0.30mm-13.00mm to comply with ASTM-A227 grade I and II.
  5. Lightly-oiled or heavily-oiled subject to requirement.
  6. Other standards are subject to requirements, such JIS, AS or GB.

  DIAMETER (MM) TENSILE STRENGTH (MPa) TORSIONS Min./360°
1 0.30mm 2010-3000 20
2 0.45mm 2200-2600 20
3 0.50mm 2200-2600 20
4 0.55mm 2150-2550 20
5 0.60mm 2110-2500 20
6 0.70mm 2060-2450 20
7 0.80mm 2010-2400 20
8 0.90mm 2010-2350 20
9 1.00mm 1960-2300 20
10 1.20mm 1910-2250 20
11 1.40mm 1860-2210 20
12 1.60mm 1810-2160 20
13 1.80mm 1760-2110 15
14 2.00mm 1710-2010 15
15 2.30mm 1660-1960 15
16 2.60mm 1660-1960 15
17 2.90mm 1620-1910 12
18 3.20mm 1570-1860 12
19 3.60mm 1570-1810 12
20 4.00mm 1570-1810  
21 4.50mm 1520-1710  
22 5.00mm 1470-1710  
23 5.50mm 1470-1710  
24 6.0mm-8.0mm 1370-1660  
25 9.0mm-14.0mm  1130-1420  

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