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目前生产的钢筋钢丝分B-1和B_(p-1)组,B_(p-1)组抗拉强度540兆帕,延伸率2～4%。新开发的钢筋钢丝在保持延伸率δ=2～4%不变的情况下,强度800～900兆帕这种新的钢筋钢丝用目前生产的线材(热轧的或被快速冷却到720～770℃的)是生产不出的。有关资料表明,用降低热轧线材冷却温度的方
The current production of steel wire B-1 and B_ (p-1) group, B_ (p-1) group of 540 MPa tensile strength, elongation of 2 to 4%. The newly developed steel wire retains the elongation δ = 2 to 4% unchanged at 800 ~ 900 MPa strength of the new steel wire with the current production of wire (hot-rolled or be rapidly cooled to 720 ~ 770 ℃) is not produced. The information shows that the use of hot wire rod to reduce the cooling temperature of the party