4140 steel is chromium, molybdenum, manganese steel with good toughness, impact resistance and fatigue strength. 1045 has slightly increased tensile strength and yield strength numbers than 1045 as a result of a slightly higher carbon content. Also, as a result of higher carbon content, 1045 is not as easy to weld as 4140.
In addition, the Nickel in Alloy 4340 increases hardenability of the steel. An additional grade of Alloy 4340 is Alloy E-4340. E-4340 is critical for parts in aerospace and other industries where great strength is needed. The annealing of Alloy E-4340 characterizes the grade as containing excellent impact and strength properties with good 4340 (E4340) Alloy Steel, AISI 4340, Plate, Round Bar AQ AMS 6415 round bar cold finished or hot rolled steel 4340 is one of the richer alloy steels, featuring hardenability with high strength characteristics. This steel is an excellent choice for highly stressed parts intended to operate under severe conditions. 4340 steel round bar is used for crankshafts, landing gear struts, valves, connecting
The 4340 alloy steel bar is used heavily in construction across industries because of its ultra-high strength. This nickel-chromium-molybdenum alloy steel attains its high strength when heat-treated and has excellent resistance to fatigue. 4340s richer alloy content provides it with much deeper harden ability than the 4100 series of alloys. 4340 High Tensile Steel Interlloy Engineering Steels 4340 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 (condition U) - (Rc 28 - 36).. Characterised by high strength and toughness in relatively large sections.
5 rows · Capital Steel & Wire is a distributor of 4340 grade hot rolled steel bar stock. The 4340 4340* Round Alloy Steel Bar (Hot Rolled Annealed) - A & C A & C Metals Sawing, Inc. 9170 Davenport Street NE Blaine, Minnesota 55449 Phone:(763) 786-1048 Fax:(763) 786-2949 Toll Free:1 (800) 786-1058
4340 steel is nickel-chromium-molybdenum alloy steel. It will get high strength after the heat treat. And it has good toughness, fatigue resistance, impact toughness and etc. Its equivalent grade is JIS SNCM439 and DIN 1.6563. The properties and composition of 4340 steel round bar sheet plate as below. AISI/SAE 4340 Alloy Steel- 4340 Steel Properties All AISI/SAE 4340 Alloy Steel, 4340, is a nickel-chromium-molybdenum alloy steel known for its toughness and its ability to attain high strengths in the heat-treated condition. Commercial and military aircraft, automotive systems, forged hydraulic and other machine tool applications, forged steel crankshafts.
Tensile Strength, Yield:710 MPa:103000 psi :Elongation at Break:13.2 %:13.2 % :Reduction of Area:36 %:36 % :Modulus of Elasticity:205 GPa:29700 ksi Typical for steel:Bulk Modulus:140 GPa:20300 ksi Typical for steel. Poisson's Ratio:0.29:0.29 Calculated:Machinability:50 %:50 % annealed and cold drawn. Based on 100% Datasheet 4340 ALLOY STEEL AMS 6414 VAR 4340 ALLOY STEEL AMS 6414 VAR UNSG43406 DATA SHEET GENERAL CHARACTERISTICS:4340 VAR AMS 6414 is a low alloy Chromium-Nickel-Molybdenum steel capable of being heat treated to high strength levels. This specification is for a premium aircraft-quality, low-alloy steel in the form of bars, forgings, mechanical tubing, and forging stock.
The following chart gives ultimate strength, yield point and modulus of elasticity data for steel and iron. Engineering Material. A501 Hot Formed Carbon Steel Structural Tubing - Grade B--483. 345. A523 Cable Circuit Steel Piping Grade A--331. 207. 4340 SAE-AISI 4140 Steel vs. SAE-AISI 4340 Steel ::May 30, 2020 · Both SAE-AISI 4140 steel and SAE-AISI 4340 steel are iron alloys. They have a very high 98% of their average alloy composition in common. For each property being compared, the top bar is SAE-AISI 4140 steel and the bottom bar is SAE-AISI 4340 steel.
Steel Grade AISI 4340 4340 is a highly alloyed steel with high nickel and chromium content which assures deep hardening when oil quenched, with high strength characteristics throughout the section. Used for heavily stressed parts operating under strenuous conditions. Tensile / Yield Strength of Steel Chart - AMESYield Strength, Tensile Strength and Ductility Values for Steels at Room Temperature:
4340 steel has high strength, toughness, wear resistance, and fatigue strength. It can be machined in all states other than hardened and it is easily welded. Additionally, 4340 can be cold worked easily in the annealed state.Datasheet for Steel Grades Carbon Steel AISI 4340Steel GradesAISI 4340 Chemical information,Mechanical properties Physical properties, Mechanical properties, Heat treatment, and Micro structure Yield Strength 23 0.2 /MPa Elongation 65 5 (%) - (%) Akv - Akv/J HBS 123-321 - HRC 30 - AISI 4340 Mechanical Properties Tensile strength 231-231 b/MPa Yield Strength 154 0.2 /MPa