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 )

Mechanical Properies

1. Wrapping :  20 turns   min.

2. Torsion            ( in accordance with ISO 8458/2)

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