- Can 3D Printing Help Me? Explore faster ways to prototype and produce complex parts.
- Can CNC Machining Help Me? Get precise, durable parts for demanding applications.
- Can Sheet Metal Fabrication Help Me? Build durable metal parts, enclosures, and assemblies efficiently.
All 3D Printing Capabilities

Explore our complete range of 3D printing solutions
- Selective Laser Melting (SLM) Advanced metal 3D printing for strong metal parts
- Selective Laser Sintering (SLS) Precision plastic 3D printing for complex functional parts
- Multi Jet Fusion (MJF) High-detail nylon printing for durable functional parts
- Stereolithography (SLA) Resin 3D printing for prototypes with fine details
- Liquid Crystal Display (LCD) High resolution resin printing for fast accurate production
- Digital Light Processing (DLP) Fast resin 3D printing for detailed intricate parts
- Binder Jetting (BJ) High-speed 3D printing for cost-effective batch production
All CNC Machining Capabilities

Explore CNC machining solutions for every production need.
- CNC Milling Produce precise parts with complex features and tight tolerances.
- CNC Turning Machine cylindrical parts with precision, speed, and consistency.
- CNC Routing Cut and machine large-format parts with high efficiency.
- Precision Machining Achieve tight tolerances for demanding, high-precision applications.
- Large Part CNC Machining Machine oversized components with precision and production efficiency.
All Sheet Metal Fabrication Capabilities

Explore complete solutions for cutting, forming, and assembly.
- Laser Cutting Cut sheet metal quickly with clean, precise edges.
- Metal Bending Form sheet metal accurately into complex geometries.
- Welding Join metal components with reliable, production-ready welds.
- Waterjet Cutting Cut diverse materials without heat-affected zones.
- Tube Laser Cutting Create precise tube and profile components efficiently.
- Custom Enclosure Build custom metal enclosures tailored to your application.
ALL 3D Printing Materials

Comprehensive material options for Additive Manufacturing
All 3D Printing Metals

Broad selection of metal alloys for additive manufacturing

Aluminum Durable and lightweight aluminum alloys

Maraging Steel High strength and tough maraging steel alloys

Stainless Steel Corrosion resistant stainless-steel alloys

Titanium Strong and lightweight titanium alloys

Copper Highly conductive copper alloys

Inconel Heat and corrosion resistant superalloys
All 3D Printing Plastics

Versatile plastics such as resin, nylon, TPU for 3D printing

Resin 15+ resin materials for SLA and LCD 3D printing

Nylon 10+ types of nylon materials for durable 3D printed parts

PP Lightweight and chemical resistant polypropylene

TPU Flexible and durable TPU for impact resistant 3D prints
All CNC Machining Materials

Explore metals and plastics for CNC machining applications.
All CNC Machining Metals

Compare machinable metals for strength, durability, and performance.

Alloy Steels Strong, durable

Aluminum Lightweight, machinable, and versatile

Brass Machinable, corrosion resistant, conductive

Bronze Durable, wear-resistant

Carbon Steel Strong, economical

Copper Excellent electrical and thermal conductivity

Stainless Steel Corrosion-resistant and durable

Titanium Lightweight, strong, and corrosion-resistant

Tool Steel Hard, wear-resistant, specialized for tooling

Zinc Excellent machinability & corrosion resistance
All CNC Machining Plastics

Explore engineering plastics for diverse machining applications.

ABS Tough, lightweight

Acrylic Clear, rigid

Acetal Low-friction, dimensionally stable

Nylon Strong, wear-resistant

PEEK High-performance, heat & corrosion resistant

PEI High-temperature, engineering plastic

Polycarbonate Tough, impact-resistant

Polyethylene Lightweight, chemically resistant,

Polypropylene Lightweight, chemically resistant, flexible & resilient

PTFE Low-friction, chemically resistant

PVC Chemical & corrosion resistant
All Sheet Metal Fabrication Materials

Explore metals suited for cutting, forming, and fabrication.
All Sheet Metal Fabrication Metals

Compare metal options for strength, formability, and durability.

Aluminum Lightweight, corrosion-resistant

Brass Attractive, machinable, excellent conductivity

Bronze Durable, wear-resistant

Carbon Steel Strong, cost-effective

Coated Steel Enhanced surface protection, durable

Copper Excellent thermal and electrical conductivity

Spring Steel High-strength, flexible, resilient

Titanium Lightweight, strong, and corrosion-resistant
- What is 3D Plus™? Surface finishing and software support for high quality parts
- Hardware Solution 20+ post-processing services for production ready 3D parts
- Software Solution Streamlined quoting and ordering software for 3D printing
3DSPRO Guarantee

Guaranteed quality, cost efficiency, and data security assurance
- Lowest General Cost Saving money and time across product development stages
- Safety Vault Protecting designs and data with advanced encryption protocols
- End-to-End Guarantee Guaranteeing quality and reliability throughout the entire process
All Industries

Serving diverse industries with tailored 3D printing solutions
- Aerospace Designing and manufacturing aerospace components with 3D printing
- Agriculture Delivering durable custom agriculture parts
- Art and Design Creating intricate custom art and design pieces efficiently
- Automotive Producing lightweight and durable automotive parts
- Consumer Goods Creating customizable high-quality consumer goods
- Energy Producing high performance energy components
- Medical Producing custom and precision medical tools
- Robotics Fabricating intricate robotics mechanisms
All Resources

Providing expert insights and inspiration through 3D printing resources
- Success Stories Showcasing real 3D printing successes across diverse industries
- Gallery Showcasing inspiring 3D printed creations to spark new ideas
- 3DSPRO Lab Testing 3D printing technologies and materials for optimal results
- Blog Sharing expert 3D printing knowledge, tips, and updates
- News Sharing the latest company news and updates of 3DSPRO
- FAQ Answering common 3D printing questions with clear guidance
- About Us Building connections and solutions through innovative 3D printing

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CNC Machining Metal Materials

CNC Machining Alloy Steel

470MPa

Tensile Strength

74GPa

Shear Modulus

22%

Elongation at Break

Alloy Steel 4340

Alloy Steel 4340, also known as AISI 4340 or UNS G43400, is a nickel-chromium-molybdenum low-alloy steel known for its high strength, toughness, ductility, fatigue resistance, and excellent hardenability.

Download Datasheet

Applications

Power-Transmission Shafts

Fittings

Structural Parts

Bearings

Pressure-Resistant Components

Heavy-Duty Shafts

Anodizing

Bead Blasting

Electrocoating

Electroplating

Polishing

Powder Coating

Sand Blasting

Tumbling

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ALL 3D Printing Materials

All 3D Printing Metals

All 3D Printing Plastics

All CNC Machining Materials

All CNC Machining Metals

All CNC Machining Plastics

All Sheet Metal Fabrication Materials

All Sheet Metal Fabrication Metals

CNC Machining Metal Materials

CNC Machining Alloy Steel

Alloy Steel 4340

Applications

CNC Machining Services

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