Flat Spring Wire

We supply flat spring wire in stainless and galvanized material.

High Carbon Steel Flat Spring Wire
Size: T 300mm x W 800mm

72B-High carbon steel
Commodity : Finished Hard rolled flat wire (ungalvinized)
Usage : High tensile cord reel in seat belt of automobile.

Specification – C : 0.680~0.720%, current product (0.711%)
Si : 0.120~0.250%                    (0.180%)
Mn : 0.450~0.700%                   (0.453%)
P : 0~0.030%                         (0.009%)
S : 0~0.030%                         (0.009%)

Dimension (mm) – T1 : 0.290~0.310mm               (0.300mm)
W : 7.900~8.100mm               (8.00mm)

Hardness : 651.0 Hv
Tensile Strength: 212 kg/NM^2
Camber (1M) : 1~2mm

For cord-reel spring of Seat belts
Packed in 200kg roll.