|Fe 96.785 - 97.77||Si 0.15 - 0.30||MN 0.75 - 1.0||S 0.040||P 0.035||Cr 0.80 - 1.10||C 0.380 - 0.430||Mo 0.15 - 0.25|
Virat Special Steels is the biggest Supplier & Stockiest of AISI 4140.
AISI 4140 is 1% chromium - molybdenum medium harden capability basic cause excessive tensile metal. Its pre hardened and tempered & can be extra surface hardened by flame or induction hardening and by means of nitriding.
4140 is a 1% chromium - molybdenum medium hardenability general purpose high tensile steel - usually provided hardened and tempered in the tensile range of 850 - 1000 Mpa (condition).4140 is currently out there with improved machinability, that greatly increases feeds or speeds, while also extending tool life while not adversely affecting mechanical properties.
|Thermal Conductivity at °C||20||350||700|
|Soft annealing °C||Cooling||Hardness HB|
|Stress-relief annealing °C||Cooling|