1-Pc OK | No MOQ. Upload your 3D fileinstant quote！
Precision Guaranteed | ISO 2768 Standards Our Quality
Free DFM Analysis in Hours | Rapid Delivery Start Your Project
Reliable EU Supply Chain | On-Time Delivery Our Capabilities
For Automotive, Aerospace & Robotics Browse Industries
Get instant quote

Select a language

English
Deutsch (German)
Français (French)
Español (Spanish)
Italiano (Italian)
Polski (Polish)
Русский (Russian)
日本語 (Japanese)
한국어 (Korean)
Melayu (Malay)
中文简体 (Chinese)
CNC Machining Service for Tool steel A3 - Annealed state

Ready to test your design? Upload your parts for free DFM analysis.

Get instant quote 0

  • Material type

    Metal

  • Material name

    Tool steel A3 - Annealed state

  • Process compatibility

    CNC machining
Mechanical properties
Ultimate tensile strength
700 MPa
Yield strength
340 MPa
Young's modulus (modulus of elasticity)
190 GPa
Elongation at break
21 %
Physical properties
Corrosion resistance
Poor
Magnetism
Magnetic
Weldability
Poor
Thermal properties
Thermal expansion coefficent
11.8 - 14.3 10^-6/ºC
Thermal conductivity
37 W/(m⋅°C)
Electrical properties
Electrical resistivity
24.5 - 30.2 μΩ*cm
Post treatments
Post-Processing
Cold work, Annealing, Quenching, Tempering, Hardening
Anodizing compatibility
Not suitable
Common applications
Shear blades
Knurling tools
Cold forging dies
Cold forging & heading dies

Tool Steel A3 CNC Machining Applications & Parts

Tool Steel A3 is an air-hardening, medium-alloy cold work tool steel that offers a good balance of toughness, wear resistance, and dimensional stability during heat treatment. Its excellent machinability in the annealed condition makes it suitable for various precision tooling applications.

Typical Parts We Machine from Tool Steel A3:

  • Precision Gauges: Measuring instruments, inspection gauges, precision fixtures
  • Forming Tools: Blanking dies, forming punches, bending tools
  • Machine Components: Bushings, guides, sleeves, precision bearings

Our Machining Advantage:

We leverage A3's excellent machinability in the annealed state to achieve tight tolerances and fine surface finishes, followed by precise heat treatment to deliver components with optimal hardness and performance.

Get an Instant Quotefor your custom Tool Steel A3 parts today.

Tagged: metal tool steel
CNC Machining Design Guide - Tips for Optimal Results
29 August 2024
Mastering CNC Machining Design: Essential Tips for Optimal Results

Learn essential CNC machining design tips including material selection, DFM principles, tolerance optimization, and CAD best practices. This comprehensive guide helps engineers create cost-effective, high-quality machined parts through proper design techniques.

Heat Treatment Process for CNC Machined Parts - Improve Strength & Durability
29 August 2024
What is Heat Treatment and How Does It Improve CNC-Machined Parts?

Heat treatment strengthens CNC-machined parts by precisely heating/cooling metals to enhance hardness, durability, and stress resistance—critical for aerospace, automotive, and medical components. Improves machinability & extends part lifespan.

6061-T6 Aluminum CNC Machining - Applications & Optimization
29 August 2024
Application and Optimization of 6061-T6 Aluminum in CNC Machining Services

Explore 6061-T6 aluminum in CNC machining: key properties, heat sensitivity challenges, precision control solutions, and best practices for optimal results. Learn how to maximize this versatile material.

8 Strategies to Reduce CNC Machining Costs - Maintain High Quality
29 August 2024
8 Proven Strategies to Reduce CNC Machining Costs Without Sacrificing Quality

Discover 8 proven strategies to reduce CNC machining costs while maintaining quality. Learn about material optimization, design simplification, smart tolerancing, and selecting the right manufacturing partner for cost-effective production.

Get Instant Quote

Let's Machine Your Vision, Together.

Ready to transform your CAD file into a custom part? Upload your design to get a free, precise quote.

Get an Instant CNC Quote
ISO 9001:2015 | AS9100D | ISO 13485:2016 | IATF 16949:2016 | Certified Factory | Privacy Policy | Sitemap
Copyright 2025 © Sunnyhowe Co., Ltd. All rights reserved.
Trustpilot