WebMax. Hardness After Heat Treatment: Rockwell C54 Specifications Met: ASTM A579 A modified version of 4340 alloy steel, 300M is used in applications that require high yield strength, such as torsion bars and drive shafts. This material has been normalized for consistent hardening and machining. WebBased on experimental measurements, a maximum surface hardness of 60.8 HRC was attained. Furthermore, the maximum depth of the hardened zone was observed as 500 µm.
SAE AISI 4340 Steel Properties, Heat Treatment, …
Web4340 is a 1.8% nickel - chromium - molybdenum high hardenability high tensile steel - generally supplied hardened and tempered in the tensile range of 930 - 1080 Mpa … WebAISI 4340 Steel, oil quenched 855°C (1570°F), 230°C (450°F) temper for 4 hrs., tested at -195°C (-320°F) alloy steels, UNS G43400, AMS 5331, AMS 6359, AMS 6414, AMS … predni h tablinen anwendung
properties of AISI 4340 steel for numerical parameter computation ...
WebA modified version of AISI 4340 steel, 300M has high content of molybdenum and silicon in comparison to AISI 4340 steel. This alloy steel demonstrates high strength, good … WebAISI 4340 Heat Treatment. Normalizing For AISI4340 1.Nominal normalizing temperature:840-900°C 2.Hold the temperature for several hours 3.Cooling in the air. Annealing For AISI4340 1.Nominal Annealing temperature:800 … 4340 steel is an ultra-high strength steel classified a medium-carbon, low-alloy steel. 4340 steel has high strength, ductility, toughness, creep resistance, and fatigue resistance relative to most other steels. Hardness ranging from 24 to 53 HRC can be achieved, depending on the heat treatment. prednis ace