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Black annealing wire is made of drawn Q195 wire as raw material. After selecting the raw materials, pass through high temperature of about 1000°. And then cool to a suitable speed.
The purpose: Reduce hardness and improve workability; Reduce residual stress, stabilize size, reduce deformation and cracking tendency.
| Material | Low Carbon Steel Q195 |
| Shape of cross section | Round |
| Size (Wire diameter) | 2.0mm-5.5mm |
| The product inside diameter | 180mm |
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