4340 Alloy Steel Sheet

Alloy 4340 plate is another general purpose grade of steel used for industrial and machining applications.

4340 alloy steel sheet.

10 18 to 24. The high fatigue strength makes e4340 ideal for highly stress parts as it maintains it s strength and hardness at elevated temperatures. Aisi 4340 e4340 alloy steel is a medium carbon low alloy steel known for its toughness and strength. Alloy steel 4340 heat treatment including.

In addition the nickel in alloy 4340 increases hardenability of the steel. This specification is for a premium aircraft quality low alloy steel in the form of bars forgings mechanical tubing and forging stock. 4340 alloy steel ams 6414 var unsg43406 data sheet general characteristics. 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.

Buy 4130 e4130 steel 4340 e4340 steel sheet plate or bar from benedict miller largest in stock aircraft quality steel metal cutting finishing. 4340 steel is mainly iron based. As 4340 a specific type of alloy steel is a heat treatable low alloy kind of steel that contains chromium molybdenum and nickel. 4340 alloy steel also known as aisi 4340 is a low alloy steel with high toughness in an annealed state.

4340 stress relieved plate. 10 18 to 24. The inclusion of nickel in alloy 4340 helps simplify heat treatment. This alloy is a part of a diverse family of alloy steel types that have been developed for a wide variety of purposes.

Grade shape min in max in width max in lengths ft 4340 hr qt rd. Itemdimension is thickness in inches find your closest store 0 19 alloy 4340 steel. Alloy e 4340 is a widely used deep hardening constructional steel. 4340 steel properties offer good ductility in the annealed condition allowing it to be bent or formed.

Other sizes may be available. Please note all items are subject to availability. Contact your local metal supermarkets store to confirm availability and pricing. Its uns designation is g43400.

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 heat treat normalizing. Machining is done typically in the annealed condition. Standard mill sizes for alloy steel 4340 steel plate range from 19 all the way up to 6.

An additional grade of alloy 4340 is alloy e 4340. The 4340 alloy steel is heavily used in aerospace. Normalizing annealing hardening tempering spheroidization stress relief etc. Due to e 4340 s high alloy content it obtains a uniformed hardness by heat treatment.