1-Stück OK | Kein MOQ.Laden Sie Ihre 3D-Datei hochSofortiges Zitat!
Garantierte Präzision | ISO 2768 StandardsUnsere Qualität
Kostenlose DFM-Analyse in Stunden | Schnelle LieferungStarten Sie Ihr Projekt
Zuverlässige EU-Lieferkette | pünktliche LieferungUnsere Fähigkeiten
Für Automobil, Luft- und Raumfahrt RobotikBranchen durchsuchen
Erhalten Sie sofortiges Angebot

Wählen Sie eine Sprache

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 Alloy steel 4340 | 1.6511 | 36CrNiMo4 | EN24

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

Erhalten Sie sofortiges Angebot 0

  • Material type

    Metall

  • Material name

    Alloy steel 4340 | 1.6511 | 36CrNiMo4 | EN24

  • Alternative names

    30CrNiMo8, 1.658

  • Process compatibility

    CNC machining
Mechanical properties
Ultimate tensile strength
690 - 1080 MPa
Yield strength
470 - 630 MPa
Young's modulus (modulus of elasticity)
205 - 213 GPa
Elongation at break
15 - 22 %
Physical properties
Corrosion resistance
Moderate to Poor
Magnetism
Semi-Magnetic
UV resistance
Excellent
Weldability
Moderate
Thermal properties
Maximum service temperature
613 - 652 °C
Thermal expansion coefficent
11.5 - 13 10^-6/ºC
Thermal conductivity
35 - 50 W/(m⋅°C)
Electrical properties
Electrical resistivity
18 - 27 μΩ*cm
Post treatments
Post-Processing
Tempering & Annealing
Anodizing compatibility
Not suitable
Common applications
General engineering parts
Connecting rods & bolts
High tensile applications

Alloy Steel 4340 (1.6511 | 36CrNiMo4 | EN24) CNC Machining Applications & Parts

Alloy Steel 4340 is a high-strength, low-alloy steel renowned for its exceptional toughness, fatigue strength, and good wear resistance, especially after heat treatment. We specialize in machining this robust material for the most demanding applications.

Typical Parts We Machine from Alloy Steel 4340:

  • Aerospace & Defense: Landing gear components, helicopter rotor shafts, high-strength bolts
  • Oil & Gas: Drill collars, tool joints, heavy-duty axles and shafts
  • Tooling & Molds: Die casting molds, plastic injection molds, heavy-duty fixtures

Our Machining Advantage:

Our capability to machine 4340 in both annealed and pre-hardened conditions (up to ~40 HRC) allows us to deliver ready-to-use components or precise preforms for final heat treatment.

Get an Instant Quotefor your custom Alloy Steel 4340 parts today.

Tagged: metal alloy steel
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.

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.

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.

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.

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