AISI 4140

AISI 4140is a versatile chromium-molybdenum (chromoly) alloy steel renowned for its high strength, toughness, and fatigue resistance. It is widely used in applications requiring exceptional mechanical performance under stress, particularly after heat treatment.

Descriptions

1. Chemical Composition

AISI 4140 contains chromium and molybdenum for enhanced hardenability, strength, and wear resistance. Its composition allows for tailored properties through heat treatment.

2. Mechanical Properties

AISI 4140 forgings achieve exceptional mechanical properties through heat treatment. Values vary based on processing conditions (e.g., normalized, quenched, and tempered).

3. Key Advantages

High Strength & Toughness: Suitable for dynamic and impact loads.

Heat Treatability: Properties tailored via quenching, tempering, or annealing.

Wear Resistance: Ideal for abrasive environments.

Fatigue Life: Performs well under cyclic stress (e.g., rotating machinery).

4. Typical Product Names

Forged Gears

Heavy-Duty Axles

Hydraulic Cylinder Rods

High-Strength Fasteners

Turbine Shafts

CONTACT US

Address

B-2007,Chuanmei Building,Taishan Street,Taian City,Shandong, China

Call Us

+86 0538 6368027

Email Address

Sales@tiptopforging.com

Applications

Aerospace

Landing gear parts, engine mounts, and structural fittings.

Automotive

Crankshafts, axle shafts, gears, and suspension components.

Oil & Gas

Drill collars, valve bodies, and pump shafts.

Industrial Machinery

Hydraulic rods, spindles, heavy-duty bolts, and dies.

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Our Products

All kinds of forgings

Materials

Carbon steel, Alloy steel, Stainless steel, Copper steel, Aluminum steel, Nickel steel

Industries

Oil&gas, Mining, Power generation, Aerospace