Properties & Uses for the 4340 Grades of Steel Sciencing
Apr 24, 2017 · Composition. Steel alloy 4340 is composed of (descending in order by weight)iron, nickel, chromium, manganese, carbon, molybdenum, silicon, phosphorus and sulfur. It can be hardened by a heat treatment followed by an oil quench, or simply by working it while cold. 4340 has average density for a steel alloy, melts at a relatively high temperature
4340 steel is nickel-chromium-molybdenum alloy steel. It is also called JIS SNCM439 and DIN 1.6563 steel. It will get high strength after the heat treat. And it has good toughness, fatigue resistance, impact toughness and etc. 4340 steel properties and 4340 steel composition as below.
4340 steel is nickel-chromium-molybdenum alloy steel. It is an alloy structural grade which used by the SAE International(SAE), and it is chrome-nickel low alloy steel. 4340 steel will get high tensile strength, hardness and toughness after heat treatment.
ER 4340 - Mild Steel TIG Welding Rod - 1lb. Pack ER 4340
ER 4340 - AISI 4340. ER4340 is a low alloy, copper-coated wire designed for the welding of heat-treatable, low alloy steels such as the SAI / AISI 4300 series where higher carbon grades are used or where greater tensile strengths are desired. A pre-heat of 400°F - 550°F is required for some of the higher carbon grades to prevent cracking.
Alloy 4340 plate is another general purpose grade of steel used for industrial and machining applications. The inclusion of Nickel in Alloy 4340 helps simplify heat treatment. In addition, the Nickel in Alloy 4340 increases hardenability of the steel. An additional grade of Alloy 4340 is Alloy E-4340.
AISI 4340 is a low carbon and high nickel steel alloy. It contains 1.65% – 2% Nickel, 0.7% - 0.9% Chromium and 0.3% to 0.4% Carbon. Initially a stack of AISI 5160 & AISI 4340 is formed. The stack is then heated and hammer forged.
4340 Alloy Steel Is a King of Among Alloys Known for its
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. 4340’s richer alloy content provides it with much deeper harden ability than the 4100 series of alloys.
4340 (E4340) Alloy Steel, AISI 4340, Plate, Round Bar AQ
AISI 4340 (E4340) alloy steel is a medium carbon, low alloy steel known for its toughness and strength. Machining is done typically in the annealed condition. 4340 steel properties offer good ductility in the annealed condition, allowing it to be bent or formed. Fusion and resistance welding is also possible with our 4340 steel from stock.
4340 alloy steel (also known as AISI 4340) is a low alloy steel with high toughness in an annealed state. 4340 alloy steel is characterized by its outstanding ductility, formability, and weldability rendering it an excellent metal for a variety of structural applications and components including power transmission gears and shafts, aircraft parts, and machinery. 4340 steel is mainly iron based, with nickel being the
ASTM A36 Carbon Steel vs. Normalized SAE-AISI 4340
Both ASTM A36 carbon steel and normalized SAE-AISI 4340 are iron alloys. They have a very high 96% of their average alloy composition in common. For each property being compared, the top bar is ASTM A36 carbon steel and the bottom bar is normalized SAE-AISI 4340.
Alloy 4340 plate is another general purpose grade of steel used for industrial and machining applications. The inclusion of Nickel in Alloy 4340 helps simplify heat treatment. In addition, the Nickel in Alloy 4340 increases hardenability of the steel.
AISI 4340 alloy steel is a heat treatable and low alloy steel containing chromium, nickel and molybdenum. It has high toughness and strength in the heat treated condition. AISI 4340 Fasteners Chemical Composition. The chemical composition of AISI 4340 alloy steel Fasteners is listed in the following table.