IDEA #2TOOYG Technology Of High-strength Railway Wheel Manufacture

Areas of Application Manufacture of steel wheels for rail transport Specifi cation The steel composition for railway wheel manufacture and modes of thermal hardening provide the following mechanical properties: σв, МРа δ, % Ψ, % KCU, J/cm2 НВ 1170 9.8 14.0 30 336 Advantages The optimal composition of wheel steel and improved heat treatment of wheels ensure a hardness of ≥ 320. The products manufactured using the technology surpass the well-known brands in plasticity and toughness: elongation by 41.5%, contraction by 68%, and impact strength of disc and tread by 70% Stage of Development. Suggestions for Commercialization IRL8, TRL8 Terms of reference for railway wheel heat treatment and steel composition IPR Protection IPR3