Cold drawn Carbon Mattress Spring Wire  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 

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

Applications

• mattress wire
• Spiral connecting wire

Competitive Advantage

• Material consistentcy
• Trouble-free pay off 
• Trouble free forming