Heat Treating 4340 Alloy Steel
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Regarded industry wide for its toughness 4340 supplies high strength in the heat treated condition while still maintaining excellent fatigue strength over time.
Heat treating 4340 alloy steel. It has high ductility. Commercial and military aircraft automotive systems forged hydraulic and other machine tool applications forged steel crankshafts. 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. Download certificates from activity after your order ships.
Aisi 4340 is a nickel chromium molybdenum alloy steel specification widely used in the oil and gas sectors. 4340 heat treat normalizing. It can be through hardened in large sections. 4340 alloy steel applications.
It is a nickel chromium molybdenum medium carbon alloy steel with deep hardenability. For technical drawings and 3 d models click on a part number. Aisi 4340 alloy steel aisi 4340 steel stockholders and suppliers delivering to the whole of the uk. The inclusion of nickel improves hardenability.
4340 has been used typically for parts requiring a through hardening capability up to 3 5 inches 89 mm in nominal thickness at time of heat treatment and subject to rigid magnetic particle inspection standards but usage is not limited to such applications. As a quality grade alloy steel it offers toughness and high strength in the heat treated condition with good fatigue strength. Use 4340 alloy steel for power transmission and structural applications that involve extreme impact heat and wear. 4340 heat treated hot rolled cold finished.
Aisi 4340 alloy steel is heat treated at 830 c 1525 f followed by quenching in oil. 4340 steel heat treatment. Heat treated quenched and tempered to high strength or annealed for ease of machining and subsequent heat treatment. Premium aircraft quality is intended for.
A contemporary alternative to 4340 is atlas 6582 through hardening steel that has improved through hardening characteristics and. Aisi 4340 is a heat treatable low alloy steel containing nickel chromium and molybdenum. Atlas 4340 is a nominally 1 8 percent nickel chromium molybdenum low alloy steel of high hardenability with high strength and toughness in relatively large sections achieved with a quench and temper heat treatment. Heat to 845 to 900 c 1550 to 1650 f and hold for a period of time which depends on the thickness of the section.
Certificates with a traceable lot number are available for these products. Aisi 4340 alloy steel is forged at 427 to 1233 c 1800 to 2250 f. Normalizing annealing hardening tempering spheroidization stress relief etc. Alloy steel 4340 heat treatment including.
Pacific 4340 is available in two conditions. Flame or induction hardening.
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Characterised By Its High Shock And Impact Resistance 4340 Steel Is A Very High Strength Steel That Offers A Ve Knives And Swords Carving Tools
