HUBEI FUXING NEW MATERIAL TECHNOLOGY CO.,LTD
HUBEI FUXING SCIENCE AND TECHNOLOGY CO.,LTD
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PRODUCTS DESCRIPTION:
Soft Annealed Wire known as black oil iron wire or black annealed wire. The soft annealed wire is more
economic than the Cold drawing hard wire for making nails.Black annealed wire is mainly processed into
coil wire, spool wire or big package wire. Or further straightened and cut into cut wire and U type wire. Black
iron wire is mostly used in construction or used as tie wire or baling wire in building, parks and daily binding.
TECHNOLOGY DETAIL
Tensile strength table of steel wire(Mpa)
| Group | Tensile strength |
| A1 | 1180-1380 |
| A2 | 1380-1580 |
| A3 | 1580-1780 |
| A4 | 1780-1980 |
| A5 | 1980-2180 |
| A6 | 2180-2380 |
Diameter tolerance of steel wire
| Diameter of steel wire(mm) | Grade of allowable tolerance | ||
| h10 | h11 | h12 | |
| Allowable tolerance | |||
| >0.30-0.60 | ±0.01 | ±0.02 | ±0.03 |
| >0.60-1.00 | ±0.01 | ±0.02 | ±0.03 |
| >1.00-3.00 | ±0.02 | ±0.03 | ±0.05 |
| >3.00-5.00 | ±0.02 | ±0.03 | ±0.05 |
PRODUCTION LINE
