| 摘要 |
The invention concerns a method for manufacturing steel wire comprising the following steps: manufacturing a reinforcing wire of sizeable length by rolling or hot wire drawing from steel containing the following elements: 0.18 % to 0.45 % of C, 0.4 % to 1.8 % of Mn, 1 to 4 % of Cr, 0.1 % to 0.6 % of Si, 0 to 1.5 % of Mo, 0 to 1.5 % of Ni, at most 0.01 % of S and 0.02 % of P, the reinforcing wire having after being rolled or hot drawn a temperature at least higher than the AC3 temperature, preferably between 50 and 200 DEG C and in particular 100 and 150 DEG C; winding the wire in reels before air cooling the raw manufacturing wire to obtain a HRC hardness not less than 40 and preferably higher than 45. In a variant, the method consists in quenching and tempering so that the wire has a hardness between 20 HRC and 35 HRC. The invention also concerns a reinforcing wire and a flexible tube for carrying effluent. |
