Patented Cold drawn Carbon Spring Wire for Mattress Spring Standard ISO 8458
Specifications:
This specifications are based on the following documents:
a. ISO 8458 Steel Wire for Mechanical Springs
3.1.1.1. Part 1 General Requirement
3.1.1.2 Part 2 Cold Drawn Carbon Steel Wire
b. B.S. 5216 Patented cold drawn carbon steel wires
Nominal Diameter
1.10mm 1.30mm 1.40mm 1.90mm 2.20mm
Or as per client's require
Chemical composition
( according to ISO 8458 )
|
Carbon |
D < 1.40mm |
0.36 -0.60 |
|
|
D > 1.40mm |
0.60-0.80 |
|
Silicone |
0.07 – 0.38 |
|
|
Manganese |
0.24 – 1.56 |
|
|
Phosphorus |
Max 0.048 |
|
|
Sulfur |
Max 0.048 |
|
Mechanical Properies
1. Wrapping : 20 turns min.
2. Torsion ( in accordance with ISO 8458/2)
|
Wire diameter |
No of twists |
|
D < = 1.9 |
28 |
|
D < = 2.15 |
25 |
3. Tensile Strength
- 1.10mm 1750 -1850 MPa
- 1.30mm 1650 -1890 MPa
- 1.40mm 1625 -1775 MPa
- 1.90mm 1650 - 1720MPa
- 2.15mm 1600 - 1700MPA
- 2.20mm 1650 - 1750Mpa
Surface
- smooth and glossy
Package
- 1.10mm 1.30mm 1.40mm
400kgs +/-20kgs with spooless cores Z-2 Packs, 2 coils in one pallet
ID: 355mm Min.
OD: 737mm Max.
Wire reel Width: 280 mm
- 1.90mm 2.15mm 2.20mm
700-900kgs each coil
Description
GUANGHUA mattress wire is patented cold drawn carbon spring wire, with consistent high quality for efficient manufacture of mattress spring and spiral connecting wires. we may supply a series of wire prodcus in accordance with clients' request.
Applications
- mattress wire
- Spiral connecting wire
Competitive Advantage
- Material consistentcy
- Trouble-free pay off
- Trouble free forming
