AISI 1040
It is a medium-carbon steel renowned for its balance of strength, toughness, and machinability.
Descriptions
1. Chemical Composition
AISI 1040 complies with the following chemical composition (weight %):

2. Mechanical Properties
Mechanical properties vary with heat treatment. Typical values for hot-forged and heat-treated AISI 1040:

3. Key Advantages
Excellent Weldability: Suitable for on-site repairs and modifications.
Cost-Effective: Lower material and processing costs compared to alloy steels.
Machinability: Easy to machine into complex shapes with standard tools.
Ductility: Resists fracture under bending or forming operations.
4. Limitations
Low Strength: Not suitable for high-stress or dynamic-load applications (e.g., drill collars, crusher jaws).
Poor Wear Resistance: Requires surface treatments (e.g., carburizing) for abrasive environments.
Corrosion Susceptibility: Needs coatings (galvanizing, painting) for outdoor or humid conditions.
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CONTACT US
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B-2007,Chuanmei Building,Taishan Street,Taian City,Shandong, China
Call Us
+86 0538 6368027
Email Address
Sales@tiptopforging.com
Standards & Certifications
ASME B16.5 (Pipe Flanges and Flanged Fittings).
API 6A (Limited to non-critical components).
Applications
Drill Collars and Tool Joints:
Moderate-depth drilling components requiring torsional strength.
Valve Stems and Actuators:
Pressure-retaining parts for low-to-medium pressure systems.
Crankshafts and Connecting Rods:
High-strength forgings for engines and transmissions.
Gears and Axles:
Case-hardened components for drivetrains and differential systems.
Hydraulic Cylinder Rods:
Wear-resistant rods for construction and mining equipment.
Forged Shafts and Spindles:
Used in industrial pumps, compressors, and conveyor systems.