Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Moderate-strength steel rail and production method thereof
The invention discloses a moderate-strength steel rail which comprises the following chemical components in percentage by weight: 0.70 to 0.90 percent of carbon, 0.08 to 0.65 percent of silicon, 0.69 to 1.31 percent of manganese, 0.10 to 0.25 percent of chromium, less than or equal to 0.020 percent of phosphorus, less than or equal to 0.020 percent of sulfur and 96.85 to 98.41 percent of iron. According to the production method of the moderate-strength steel rail, the hardness of the produced moderate-strength steel rail is 350-370 HB, the abrasion loss is smaller than or equal to 0.40 g, the contact fatigue life is larger than or equal to 50000 times, and the rail web opening degree of the 610 mm long steel rail is smaller than or equal to 3.0 mm/400 mm.
一种中等强度钢轨，中等强度钢轨的化学成分的重量百分比为：碳0.70‑0.90％、硅0.08‑0.65％、锰0.69‑1.31％、铬0.10‑0.25％、磷≤0.020％、硫≤0.020％、以及铁96.85‑98.41％。本发明的中等强度钢轨生产方法，生产的中等强度钢轨的钢轨硬度350‑370HB，磨损量≤0.40g，接触疲劳寿命≥50000次，610mm长钢轨轨腰张开度≤3.0mm/400mm。
Moderate-strength steel rail and production method thereof
The invention discloses a moderate-strength steel rail which comprises the following chemical components in percentage by weight: 0.70 to 0.90 percent of carbon, 0.08 to 0.65 percent of silicon, 0.69 to 1.31 percent of manganese, 0.10 to 0.25 percent of chromium, less than or equal to 0.020 percent of phosphorus, less than or equal to 0.020 percent of sulfur and 96.85 to 98.41 percent of iron. According to the production method of the moderate-strength steel rail, the hardness of the produced moderate-strength steel rail is 350-370 HB, the abrasion loss is smaller than or equal to 0.40 g, the contact fatigue life is larger than or equal to 50000 times, and the rail web opening degree of the 610 mm long steel rail is smaller than or equal to 3.0 mm/400 mm.
一种中等强度钢轨，中等强度钢轨的化学成分的重量百分比为：碳0.70‑0.90％、硅0.08‑0.65％、锰0.69‑1.31％、铬0.10‑0.25％、磷≤0.020％、硫≤0.020％、以及铁96.85‑98.41％。本发明的中等强度钢轨生产方法，生产的中等强度钢轨的钢轨硬度350‑370HB，磨损量≤0.40g，接触疲劳寿命≥50000次，610mm长钢轨轨腰张开度≤3.0mm/400mm。
Moderate-strength steel rail and production method thereof
一种中等强度钢轨及其生产方法
YUAN JUN (Autor:in) / DENG YONG (Autor:in) / CHEN CHONGMU (Autor:in) / WANG YUAN (Autor:in)
28.01.2022
Patent
Elektronische Ressource
Chinesisch
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