Machined parts ship within 7-15 days. Order your metal machined parts today!
-
-
-
-
Blog Explore our facilities, technology, processes, and more.
-
Product Rigorous quality management processes ensure part consistency.
-
Quality Assurance See how companies used 3ERP services to solve challenges and speed up development.
-
Material Browse a variety of metal materials to meet your project needs.
-
Guides and Trend Reports Explore various manufacturing guidelines and reports.
Resources
-
One-Stop Custom Heat Treatment Services
LCW has been deeply cultivated in the heat treatment field for twenty years, mastering core technologies in vacuum heat treatment and controlled cooling. We carefully select premium alloy materials, and our team of professional engineers precisely controls heating temperatures and cooling rates to ensure uniform metallographic structure and excellent mechanical properties of the workpieces. Relying on advanced heat treatment production lines and a comprehensive quality system, we provide full-process heat treatment solutions—from process design to finished product delivery—for industries such as aerospace, automotive manufacturing, and precision instruments. We welcome you to provide product technical requirements, and we will offer professional process analysis and rapid quoting services.
- 20 years of professional heat treatment manufacturing experience
- Capable of ±1°C precision temperature control
- ISO9001 & IATF16949 Quality System Certified
- Provides integrated solutions for heat treatment and precision machining
- Capable of rapid prototyping and mass delivery services
- Equipped with vacuum heat treatment furnaces and controlled atmosphere systems
Get Heat Treatment Parts Quotation
The information you provide is strictly confidential and secure
ISO
9001:2015 Certified
10+
Heat Treatment Equipment
5000+
Global partners
10,0000+
Heat Treated Parts Produced Monthly
Our Metal Heat Treatment Processes
LCW has established a comprehensive heat treatment processing system, offering all-around solutions for annealing, quenching, tempering, surface heat treatment, integral heat treatment, and vacuum heat treatment. Relying on advanced temperature control equipment and a perfect process management system, we achieve a precision temperature control accuracy of ±1°C, support the processing of various metal materials, and have passed ISO9001 and IATF16949 quality certifications to ensure product performance meets strict technical requirements.
Annealing
20+ years heat treatment experience
Precision temperature control system
Customized annealing schemes
Batch processing expert
Quenching
Rapid cooling technology
Precise hardness control
Excellent wear resistance
Professional quenching solutions
Tempering
Thorough stress elimination
High dimensional stability
Optimized performance ratio
Full-process quality monitoring
Surface Heat Treatment
Excellent surface hardness
Superior wear resistance
Internal toughness retention
Professional surface strengthening
Integral Heat Treatment
Comprehensive performance improvement
Uniform and dense structure
Precise process control
Batch processing capability
Vacuum Heat Treatment
Oxidation-free surface
Uniform structural performance
Comprehensive first-article inspection
One-on-one engineering service
From Prototype Design to Manufacturing
LCW is your trusted partner for one-stop heat treatment solutions, offering full-process heat treatment services from process design to batch processing. Relying on professional heat treatment experience, mature process schemes, perfect production flows, and a senior technical team, we are committed to helping you achieve optimization of product performance.
Heat Treatment Process Development
20+ years professional experience
Rapid process analysis & quote
Competitive pricing
5-7 day rapid sample verification
Small Batch Heat Treatment Processing
Flexible production scheduling
100% part inspection
Free process optimization suggestions
Fully automated equipment support
Batch Heat Treatment Manufacturing
Cost advantages of scale
Excellent quality consistency
Comprehensive first-article performance testing
Serving 5000+ global clients
Why Choose Us for Heat Treatment Services
We focus on the heat treatment processing field, providing customers with one-stop solutions from process design to finished product delivery. Relying on a mature heat treatment process system, we ensure every product obtains the ideal structural organization and mechanical properties, meeting the application needs of various severe working conditions.
Mature Heat Treatment Process System
Professional Heat Treatment Equipment Cluster
Flexible Heat Treatment Customization Services
Strict Quality Assurance System
Four Steps to Work With Us
LCW leverages deep industry accumulation to provide professional and efficient solutions for rapid prototyping and small-batch production. We break down the innovation process into four clear, efficient stages to ensure smooth project progression from concept to finished product.
Upload your design
Analysis and quotation
Put into production
Quality Inspection and Shipping
Core Advantages of Our Heat Treatment Services
Heat treatment processing grants parts the required mechanical properties and durability by precisely controlling the material's structural phase transformation process. Relying on mature heat treatment processes and a perfect quality assurance system, we ensure every treated part obtains excellent comprehensive performance and a long service life.
Optimized Material Performance
Guaranteed Structural Uniformity
Flexible Processing Capability
Professional Material Knowledge
Full-Process Quality Control
Optimized Comprehensive Benefits
Custom Heat Treated Parts Display
Welcome to browse our classic heat treatment cases accumulated over 20 years. These cases demonstrate the high-precision components and prototype samples we have manufactured for leading customers in various industries.
Heat Treatment Tolerances and Standards
LCW focuses on precision heat treatment processing, providing customers with one-stop services from process development to batch processing. Relying on a mature process system, we possess strict process control capabilities, ensuring every product meets international quality standards and customer technical requirements in terms of material structural uniformity, mechanical properties, and dimensional stability.
|
Parameter |
Specification |
|
Heat Treatment Thickness Range |
0.5mm~500mm |
|
Max Heat Treatment Size |
600mm*600mm*200mm |
|
Weight Range |
1~20kg |
|
Temperature Control Precision |
±1°C |
|
Hardness Control Tolerance |
±1.5HRC |
|
Batch Capability |
10 ~ 20,000 pieces |
|
Process Types |
Annealing, Quenching, Tempering, Carburizing, Nitriding, etc. |
|
Supporting Services |
Metallographic analysis, mechanical testing, NDT, etc. |
Heat Treatment Materials
LCW, as a professional heat treatment processing company, leverages its mature heat treatment processes and materials technology to provide customers with high-performance and highly stable heat treatment solutions. We can provide customized heat treatment services for a variety of metal materials based on project requirements, meeting the demands of different industries for material strength, hardness, wear resistance, and corrosion resistance.
Aluminum
Materials: 1060, 1050, 1100
Lead Time: Approx. 7-10 working days
Hardness Control: ±2HB
Max Size: 400×400×150mm
Core Processes: Solution Treatment (T4/T6), Aging
Services: Metallographic analysis, mechanical testing, dimensional inspection
Aluminum Alloy
Materials: 7075, 7050, 6061, 6082, 6063
Lead Time: Approx. 7-10 working days
Hardness Control: ±1.5HRC
Max Size: 400×400×150mm
Core Processes: Solution treatment, Artificial aging, Annealing
Services: Stress relief, dimensional stability treatment
Copper
Materials: H70,H80,H90,C2600,C2680
Lead Time: Approx. 10 working days
Hardness Control: ±5HV
Max Size: 400×400×150mm
Core Processes: Annealing, Solution treatment
Services: Conductivity testing, mechanical analysis
Brass
Materials: H62, H65,H68, H90, C2700,C5210
Lead Time: Approx. 10 working days
Hardness Control: ±5HV
Max Size: 400×400×150mm
Core Processes: Annealing, Stress relief
Services: Metallographic inspection, dimensional stability assurance
Surface Treatments for Forgings After Heat Treatment
LCW provides professional surface treatment services based on the material characteristics and structural state of forgings after heat treatment.
Anodizing
Applicable Material: Heat-treated aluminum alloy forgings
Effect: Significantly increased surface hardness, multiple colors available
Core Advantages: Strong corrosion resistance, improved wear resistance, durable and aesthetic
Typical Applications: Aerospace structures, automotive engine forgings, precision instrument housings
Shot Blasting
Applicable Material: Various heat-treated metal forgings
Effect: Uniform surface reinforcement, high cleanliness
Core Advantages: Enhances fatigue strength, improves stress corrosion resistance, improves coating adhesion
Typical Applications: Forged transmission shafts, gear forgings, mold components
Blackening (Black Oxide)
Applicable Material: Heat-treated aluminum forgings
Effect: Deep black appearance, uniform film layer
Core Advantages: Excellent rust prevention, low friction coefficient, maintains substrate strength
Typical Applications: Forged tool fixtures, transmission forgings, hydraulic components
Electroplating
Applicable Material: Various heat-treated metal forgings
Effect: Uniform and dense coating, strong adhesion
Core Advantages: Excellent corrosion resistance, high surface hardness, long service life
Typical Applications: Automotive forgings, marine equipment, chemical machinery
Spraying
Applicable Material: Various heat-treated metal forgings
Effect: Strong coating adhesion, rich color selection
Core Advantages: Long-term corrosion protection, excellent weather resistance, beautiful appearance
Typical Applications: Engineering machinery, architectural forgings, outdoor equipment
Application of Heat Treatment Processing
LCW has earned the trust and long-term partnership of global customers by leveraging our professional expertise in heat treatment processing. We are dedicated to providing customers with precise and controllable heat treatment solutions, serving key industries such as aerospace, automotive manufacturing, energy equipment, and precision instruments.
Providing tight-tolerance metal housings and intricate internal parts.
Creating robust gear and structural components designed to withstand extreme environmental conditions.
Machining specialized metallic parts essential for advanced battery brackets and power systems.
Forging and machining complex components that drive efficiency in industrial automation.
Supplying heavy-duty, wear-resistant metal parts for rigorous industrial machinery applications.
Customer Testimonials
LCW boasts over 20 years of professional experience in the field of heat treatment processing, serving customers across many countries and regions worldwide. We firmly believe that genuine customer feedback carries more weight than any marketing claims. We invite you to explore the objective reviews from our numerous international clients to understand the reliable quality and service experience LCW consistently delivers.
Klaus Richter
Production Director
LCW's heat treatment service is an indispensable part of our automotive supply chain. Their engineering team's depth of understanding of material processes is impressive. The treated parts fully meet the strict standards for hardness, strength, and durability of the German automotive industry. Their automated lines ensure excellent consistency between batches.
Sarah Jenkins
Project Manager
LCW met our expectations perfectly. They got involved from the design stage, assisting us in optimizing the heat treatment plan to meet both performance requirements and mass production suitability. Their response speed is praiseworthy. LCW is a significant aid to our product's successful launch.
Kenji Tanaka
Purchasing Manager
The cooperation with LCW reflects their attention to detail. The process documentation is very complete, and the production process is transparent. The quality of products treated by them is stable, with non-conformance rates always controlled at a very low level. Their rigorous attitude aligns highly with our company's quality culture.
Emily Chen
R&D Supervisor
The medical device industry has extremely strict requirements for compliance and traceability. LCW demonstrated excellent capabilities here, establishing a perfect quality management system that provides complete batch records. They have a precise grasp of the heat treatment characteristics of medical materials.
David Clarke
Technical Director
LCW's strength lies in excellent cost-performance and efficient large-batch capacity, perfectly handling our seasonal peak demands. Their engineers can accurately grasp the best process window for different materials. They are an important partner in realizing our commercial goals.
Michael Tremblay
Technical Lead
We entrust LCW with various mechanical parts. The durability and performance data of the treated products fully meet or exceed our expectations. Their after-sales technical support is particularly praiseworthy; they can quickly guide our engineers via remote video to troubleshoot issues.
Heat Treatment FAQs
Why must metal parts undergo heat treatment?
Heat treatment is a key process that actively changes the internal crystal structure (metallographic organization) of metal by precisely controlling heating, holding, and cooling. Its purpose is not to change the shape, but to endow or improve mechanical properties the material itself cannot possess, such as higher strength, hardness, wear resistance, toughness, or machinability, to meet final service requirements.
What are the main types of heat treatment processes?
Core categories include: "Annealing" and "Normalizing" for softening structure and relieving stress; "Quenching" for rapid cooling to obtain high hardness and strength; "Tempering" immediately following to adjust toughness and stabilize structure; and "Surface Hardening" (like carburizing, nitriding) to form a hardened layer on the surface while keeping the core tough.
What is the core principle of quenching?
The core of quenching lies in rapidly cooling the aluminum parts heated to the austenite state (usually using oil, water, or polymer solutions) to suppress transformation to equilibrium structures, thereby forcing the formation of a high-hardness, high-strength metastable structure—martensite. This is the basis for many parts obtaining high wear resistance.
Why must tempering be done immediately after quenching?
Because the high-hardness martensite structure obtained from quenching is hard but usually very brittle and contains huge internal stresses. Direct use leads to cracking or early failure. Tempering promotes the transformation of martensite into a more stable tempered structure through appropriate reheating, significantly improving toughness and dimensional stability while maintaining sufficient strength.
What is surface hardening and where is it used?
Surface hardening (like carburizing, nitriding) is a process that forms a high-hardness wear-resistant layer only on the surface (usually a fraction of a millimeter deep) while the core retains original toughness. It is perfectly suitable for parts like gears, bearings, and shafts that need to resist surface wear while withstanding impact loads.
What is the main difference between annealing and normalizing?
Both are used to soften structure and improve machinability, but cooling methods differ. Annealing usually involves slow cooling with the furnace for thorough softening; normalizing is cooling in air, which is faster, resulting in finer structure and slightly higher strength/hardness than annealing, with a shorter production cycle.
What are common heat treatment defects and how are they prevented?
Common defects include oxidation/decarburization, overheating/burning, quench cracks, deformation, and insufficient hardness. We systematically prevent these by using advanced equipment, precise parameter control, selecting appropriate quenching media, and rigorous process monitoring.
What is vacuum heat treatment and its advantages?
Vacuum heat treatment is performed in a high-vacuum environment. Its greatest advantage is avoiding oxidation and decarburization, achieving bright treatment. The vacuum environment also degasses, improving part performance. Heating is uniform, and deformation is usually smaller, making it very suitable for high-precision parts.
Why do parts sometimes need precision machining after heat treatment?
Because the heat treatment process may cause minute dimensional changes or produce very thin oxidation colors. For parts with extremely high dimensional accuracy and surface finish requirements, grinding, polishing, and other finishing steps must be arranged after heat treatment to ensure final dimensional and geometric tolerances.
How does heat treatment affect fatigue life?
Appropriate heat treatment significantly improves fatigue life. By refining grains, forming compressive stress layers (e.g., nitriding, shot peening), and obtaining a microstructure with both strength and toughness, it effectively suppresses the initiation and propagation of fatigue cracks, making parts more durable under alternating loads.
Order Heat Treatment Parts Now
Customers
Processed Parts
The information you provide is strictly confidential and secure
LCW Manufacturing
China
No. 1, Jinyuan 3rd Road, Xinqiao Third Industrial Zone, Shajing, Bao'an District, Shenzhen City, 518100
Contact
1-202-754-5941
Click to copy13418743212
Click to copyforging@lcwcnc.com
Click to copy