ISO 8458 /  BS 5216  Cold drawn Mattress Spring Wire  Consistent Reliable Quality Material for Mattress Spring

GUANGHUA  - Carbon Spring Wire specialist

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 is a leading carbon spring wire manufacture and exporter, our annual production cappacity of carbon spring wires is over 20,000 tonnes and export about 12,000 tonnes of carbon spring wires to Asia, Amercia, EU, Australia every year.

Applications

• mattress wire
• Spiral connecting wire

Competitive Advantage

• Consistent wire quality for mattress spring 
• Trouble-free pay off 
• Trouble free forming