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CNC Machining Material Options

The choice of material directly impacts the part's performance, durability, cost, and manufacturability. Selecting the right material for your custom projects.

CNC Machined Metal Materials

Materials

Description

Price

Aluminum

Aluminum

Characteristic: Lightweight,  Excellent strength-to-weight ratio, Natural corrosion resistance, High thermal conductivity, Superior dimensional stability, Good machinability.

 

Alloys: Aluminum 6061, 6061-T6, 7075, 7075-T6, 6063, 6082,5052,2024

 

Common Applications: Aluminum CNC machining is ideal for various applications, such as aerospace frames, automotive parts, consumer electronics enclosures, and heat sinks.

Low ($)

Stainless Steel

Stainless Steel

Characteristic: High strength, Excellent corrosion and heat resistance, Hygienic surface, Durability.

 

Alloys: Stainless Steel 301, 303, 304, 316, 316L, 416, 420, 430,17-4 PH

 

Common Applications: Stainless steel CNC machining is widely used in Medical instruments, food processing equipment, marine hardware, surgical components, high-strength structural parts.

Medium ($$$)

Steel

Steel

Characteristic: High tensile strength, Versatile in hardness, Good Machinability, Cost-Effectiveness, Heat Resistance

 

Alloys:  Carbon Steel, Alloy Steel, Die Steel, Tool Steel, High Speed Steel,Galvanized Steel

 

Common Applications: Steel CNC machining is highly beneficial to various industrial applications due to its extensive alloy options and versatile hardness, like machine parts, tooling jigs and fixtures, structural components, frames.

Low-Medium ($$)

Titanium

Titanium

Characteristic: Exceptional strength-to-weight ratio, Biocompatible, Highly corrosion resistant, Low thermal expansion enhances dimensional stability.

 

Alloys: Titanium Alloy TA1, Alloy TA2, Alloy TC4/Ti-6Al 4V

 

Common Applications: Titanium CNC Machining is indispensable for critical applications such as aerospace components, medical implants, and high-performance automotive and marine parts.

High ($$$$$)

Brass

Brass

Characteristic: Excellent machinability, Good electrical & thermal conductivity, Corrosion resistance, Antimicrobial.


Common Applications: Brass CNC machining is ideal for industrial applications requiring durability and precision, like electrical components, fittings, decorative hardware, musical instrument parts, low-friction bearings.

Medium ($$$)

Copper

Characteristic: Efficient thermal/electrical conductivity, Good corrosion resistance, Antimicrobial, Superior malleability.

 

Common Applications: Copper CNC machining is ideal for electrical wiring, electrodes, plumbing parts, and heat exchangers.

Medium-High ($$$$)

Bronze

Bronze

Characteristic: Excellent wear resistance, Corrosion resistance, Good machinability, High Strength & Low Friction

 

Common Applications: Bronze CNC machining is ideal for intricate, heavy-duty components and applications requiring strength, like bushings, bearings, wear plates, and marine hardware (propellers, fittings).

Medium ($$$)

Magnesium

Magnesium

Characteristic: High impact resistance, Excellent strength-to-Weight Ratio, Excellent dimensional stability, Good machinability.

 

Common Applications: Magnesium CNC machining is ideal for aerospace components, racing car parts, lightweight enclosures for electronics, and camera/lens bodies.

Medium ($$$)

Zinc

Zinc

Characteristic: Good Machinability, Good dimensional stability, Natural corrosion resistance

 

Common Applications: Zinc CNC machining is ideal for die-cast parts, custom fixtures, low-strength brackets, and components requiring electromagnetic shielding.

Low-Medium ($$)

CNC Machined Plastic Materials

Materials

Description

Price

ABS

ABS

Characteristic: Tough, Impact-resistant, Good machinability, chemical resistance, can be easily painted and glued.

 

Type: Beige ABS, Black ABS, Clear ABS, 94V0 flame retarding ABS

 

Common Applications: ABS CNC machining is ideal for Prototype housings, automotive trim, consumer products.

Low ($)

PC

PC

Characteristic: Extremely high impact strength, High transparency, Good heat resistance. 

 

Type: Black PC, White PC, Transparent PC

 

Common Applications: PC CNC machining is ideal for eyewear lenses, electronics, automotive parts, light diffusers, and safety equipment.

Medium ($$$)

PMMA (Acrylic)

PMMA (Acrylic)

Characteristic: Excellent optical clarity, High UV resistance, Good machinability.

 

Common Applications: PMMA CNC machining is ideal for aesthetically critical components, like instrument dials, vehicle lamp covers, light diffusers, and transparent enclosures.

Low-Medium ($$)

POM (Acetal, Delrin)

POM (Acetal, Delrin)

Characteristic: Good fatigue resistance, low friction, good overall toughness, well wear resistance, excellent dimensional stability, and superb machinability

 

Common Applications: POM CNC machining is ideal for High-precision mechanical parts such as bearings, bushings, gears, automotive parts and valve components.

Low-Medium ($$)

PA (Nylon)

PA (Nylon)

Characteristic: High strength, Good wear and chemical resistance, low friction. Absorbs moisture, which can affect dimensions.

 

Type: PA6, PA66

 

Common Applications: Nylon CNC Machining is commonly used in Gears, bushings, bearings, rollers, functional mechanical parts.

Medium ($$$)

PE (Polyethylene)

PE (Polyethylene)

Characteristic: Low friction, Easily machinable, Shock absorbent, Chemical resistance, Lightweight.

 

Common Applications: PE CNC Machining is commonly used in household goods and lightweight parts.

Low ($)

PEEK

PEEK

Characteristic: Hydrophobic, High thermal stability, Excellent mechanical strength, Chemical resistance, Biocompatible.

 

Common Applications: PEEK CNC Machining is ideal for  aerospace, medical, and automotive parts, bearings, washers and gears, spinal implants, surgical tools.

High ($$$$$)

PP (Polypropylene)

PP (Polypropylene)

Characteristic: Chemically resistant, High fatigue resistance, Low density, Good thermal resistance.

 

Common Applications: PP CNC Machining is commonly used in packaging, consumer goods BPA-free food containers, electrical equipment, and household appliances.

Low ($)

PTFE (Teflon)

PTFE (Teflon)

Characteristic: Chemical resistance, Food-safe,  High-temperature resistance, Extremely low friction

 

Common Applications: PP CNC Machining is commonly used in Medical implants, non-stick applications, chemical-resistant parts, electrical component insulation

Medium ($$)

PVC

PVC

Characteristic:  Chemical Resistance, Electrical Insulation, Mechanical Strength, Durability & Weathering

 

Common Applications: PVC CNC Machining is commonly used in electrical, energy, construction and medical industries.

Low ($)

PC+ABS

PC+ABS

Characteristic: High strength and Stiffness, Excellent impact resistance, Heat resistance.

 

Applications: PC+ABS CNC Machining is commonly used in consumer electronics housings, automotive interior trim, functional prototypes, and enclosures requiring a balance of toughness and aesthetics.

Medium-High ($$$$)

PA+GF30%

PA+GF30%

Characteristic: High Strength and Stiffness, Dimensional Stability, Heat Resistance, Wear Resistance

 

Applications: PA+GF30% CNC Machining is commonly used in high-load structural parts, gears, bearings, engine covers, drone arm frames, and mechanical components requiring strength, stiffness, and heat resistance.

High ($$$$$)

Composite Materials & Custom Machining Solutions

Can’t find the exact material stock you need? Or is your project centered on composite materials?

 

KINGCO has the specialized expertise to machine composites with precision. Whether you’re working with carbon fiber composites, fiberglass, or other advanced composite materials, we ensure optimal performance and structural integrity for every component.

 

Contact our expert today to discuss your custom requirements.

Contact Us

Contact Us

Shenzhen Kingco Precision Modeling Co., Ltd.
Add: Building B3,Anle Industrial Park,Hangcheng Road,Baoan District,Shenzhen City, Gunagdong Province, P.R.China

Guangdong Kingco Precision Technology Co., Ltd.
Add: Cuishanhu Hi-Tech Development Zone, Kaiping City, Jiangmen City, Guangdong Province, P.R.China

+86(755)2908 3033/3066
+86 150 1505 3416

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