Oil Tempered Alloy Spring Steel Wire

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

Size allowance deviation

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

Roundness: not greater than half of the diameter tolerance

surface quality

Steel surface should be smooth, no stretch marks, tearing, rust of steel wire has obvious defects in adverse effects, the dynamic load of spring steel wire (DM and DH), cracks or other defects on the surface of steel wire should be nominal diameter less than the radial depth of 1%; 1.5% radial depth of partial decarburization is not greater than the nominal diameter of steel wire the.

Winding test

The steel wire with nominal diameter less than 3.00mm is used for winding test. The steel wire is tightly wound at least four circles on the mandrel whose diameter is equal to its own diameter without any cracks

Delivery status

The steel wire is delivered by wire coil

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