COLD-DRAWN NON-ALLOY STEEL WIRE FOR SPRINGS

Henan Friend Metal Products Co., Ltd. is one of the leading manufacturers and suppliers of cold-drawn non-alloy steel wire for springs in China. If you're going to buy cold-drawn non-alloy steel wire for springs made in China, welcome to get more information from our factory. We also accept customized orders.

Suitable for the manufacture of static load and dynamic load application of mechanical spring cold drawn carbon spring steel wire.

Size tolerance

Wire diameter control range: d <4.00mm: ± 0.02mm; d: 4.00mm: ± 0.03mm;

Not roundness: no more than half the diameter of the tolerance

Surface Quality

The surface of the wire shall be smooth and shall not be markedly adversely affected by the use of wire, tear, rust and so on. For dynamic load spring wire (DM and DH), the depth of the crack or other surface defects should not be in radial Greater than 1% of the nominal diameter of the wire; the partial decarburization radial depth is not greater than 1.5% of the nominal diameter of the wire.

Winding test

Nominal diameter of less than 3.00mm wire using winding test, the wire diameter is equal to its diameter on the mandrel tightly wound at least four laps, no cracks

delivery status 

The wire is delivered in coil form

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