| abstract |
The invention discloses a kind of corrosion-resistant railway bolt and railway spike steel and its manufacturing method, steel at being grouped as and mass percentage: C:0.05~0.10%, Si:0.10~0.15%, Mn:0.10~0.50%, P:0.030~0.045%, S≤0.010%, Cr:0.15~1.00%, Ni:0.10~0.45%, Cu:0.15~0.35%, V:0.04~0.10%, Mo:0.10~0.40%, N:0.010~0.015%, Al >=0.020%, surplus are Fe and inevitable impurity；Manufacturing method includes converter smelting, LF refining, VD vacuum processing, continuous casting, slow cooling, heating and rolling, flaw detection process.Steel produced by the invention has corrosion resistance, can make railway bolt and railway spike steel, is suitable for tunnel and the rainwater higher railway region of humidity such as frequently. |