Heat Treated Steel Components
Quick Specifications
Material
4140, 4340, 8620
Process
Heat Treatment, CNC
Tolerance
±0.005mm
Lead Time
7-14 Days
MOQ
1 Piece
Surface Finish
Polished, Black Oxide
Material
4140, 4340, 8620
Process
Heat Treatment, CNC
Tolerance
±0.005mm
Lead Time
7-14 Days
MOQ
1 Piece
Surface Finish
Polished, Black Oxide
Heat treated steel components are engineered to deliver exceptional mechanical properties through advanced thermal processing techniques. Our heat treatment services include quenching, tempering, annealing, and normalizing processes that transform ordinary steel into high-performance parts with superior strength, hardness, and wear resistance. These components are essential for applications that operate under extreme stress, high temperatures, or demanding environmental conditions.
We specialize in manufacturing heat treated steel components from premium alloy steels including 4140, 4340, and 8620 grades. Our state-of-the-art heat treatment facility ensures precise temperature control and uniform heating, resulting in consistent material properties throughout each component. Combined with our precision CNC machining capabilities, we deliver heat treated parts that meet the most stringent dimensional and mechanical specifications required by aerospace, automotive, and heavy machinery industries.
Every heat treated steel component undergoes rigorous quality inspection including hardness testing, dimensional verification, and metallurgical analysis. Our commitment to quality is backed by ISO 9001 and IATF 16949 certifications, ensuring that each part meets international standards for performance and reliability. With our USA warehouse and fast delivery options, you can count on receiving your heat treated steel components on time, every time.
| Material | 4140, 4340, 8620 Alloy Steel, Carbon Steel |
| Heat Treatment Processes | Quenching, Tempering, Annealing, Normalizing, Case Hardening |
| Hardness Range | HRC 20-65 (customizable per requirements) |
| Tensile Strength | Up to 2000 MPa (depending on material and treatment) |
| Tolerance | ±0.005mm (±0.0002") |
| Surface Finish | Polished, Black Oxide, Phosphate, Custom Finishes |
| Size Range | Up to 1000mm diameter, 2000mm length |
| Lead Time | 7-14 days (standard), 3-5 days (expedited) |
| MOQ | 1 piece (prototyping), 10 pieces (production) |
| Certifications | ISO 9001, IATF 16949, ISO 14001 |
Rapid cooling to achieve maximum hardness and strength
Controlled reheating to balance hardness and toughness
Softening process to improve machinability and reduce stress
Surface hardening for wear resistance with tough core
Landing gear components, engine parts, structural elements
Transmission gears, axle shafts, suspension components
Hydraulic components, gearboxes, bearing housings
Valve components, drilling equipment, pump parts
Tooling, dies, molds, and machine components
Propeller shafts, rudder components, deck machinery
CNC Machines
Precision Tolerance
Days Delivery
Years Experience
ISO 9001:2015
IATF 16949:2016
ISO 14001:2015
SA 8000:2014
We accept orders starting from 1 piece for prototyping and 10 pieces for production runs. Our flexible MOQ policy allows you to order exactly what you need without excess inventory.
Standard lead time is 7-14 days depending on complexity and quantity. Expedited service is available with 3-5 day delivery for urgent requirements. Heat treatment adds 2-3 days to the standard machining lead time.
We provide comprehensive heat treatment services including quenching, tempering, annealing, normalizing, and case hardening. Our experienced metallurgists can recommend the optimal process for your specific application requirements.
We accept STEP, IGES, STL, DXF, DWG, and PDF files. Our engineering team can work with various CAD formats and provide design for manufacturing (DFM) support to optimize your parts.
Yes, we provide full material traceability and certificates including mill test reports (MTR), heat treatment certificates, and inspection reports for every order to ensure compliance with industry standards.
Get a free quote within 24 hours. No minimum order quantity required.