CNC Machining Materials

We machine aluminum, stainless steel, carbon and alloy steel, tool steel, brass, copper, titanium, and engineering plastics for prototypes, custom parts, and production components.
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CNC machining materials including metal and engineering plastic parts
MATERIAL OPTIONS

Materials We Machine

Compare commonly machined metals and engineering plastics by strength, corrosion resistance, machinability, and application.
CNC machined aluminum block with precision bore and mounting holes

Aluminum

Lightweight, corrosion-resistant, and highly machinable.
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CNC machined stainless steel flange with precision holes

Stainless Steel

Strong, corrosion-resistant, and durable.
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CNC machined carbon and alloy steel block with threaded hole

Carbon & Alloy Steel

High strength and wear resistance.
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CNC machined tool steel part with slot and precision holes

Tool Steel

High hardness and wear resistance.
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CNC machined brass flanged bushing

Brass

Excellent machinability and corrosion resistance.
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CNC machined copper block with precision holes

Copper

Excellent electrical and thermal conductivity.
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CNC machined titanium mounting bracket

Titanium

High strength-to-weight ratio and corrosion resistance.
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CNC machined engineering plastic flange with mounting holes

Engineering Plastics

Lightweight, chemical-resistant, and versatile.
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COMMON GRADES

Common Material Grades

Compare commonly machined grades and their key characteristics to help narrow down the right material for your part.
Material
Common Grades
Key Characteristics
Aluminum
6061, 7075, 2024, 5052, 6082
Lightweight, corrosion resistant, and highly machinable
Stainless Steel
303, 304, 316, 316L, 17-4PH
Excellent corrosion resistance, strength, and durability
Carbon & Alloy Steel
1018, 1045, 4140, 4340
High strength, wear resistance, and heat-treatability
Tool Steel
A2, D2, H13, O1
High hardness, wear resistance, and dimensional stability
Brass
C360, C260
Excellent machinability, corrosion resistance, and conductivity
Copper
C110, C101
Excellent electrical and thermal conductivity
Titanium
Grade 2, Grade 5 (Ti-6Al-4V)
High strength-to-weight ratio and excellent corrosion resistance
Engineering Plastics
POM, Nylon, ABS, PC, PEEK, PTFE
Lightweight, chemical-resistant, low friction, and electrically insulating
ENGINEERING SUPPORT

Need Help Selecting a CNC Machining Material?

Send us your drawing and application requirements. Our engineering team can evaluate strength, corrosion resistance, machinability, availability, and cost to recommend a suitable material.
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Material Selection Guidance
DFM & Machinability Review
Material Alternatives & Cost Optimization
Engineer reviewing a CNC machined part design and material selection in CAD

Ready to Start Your CNC Machining Project?

Send us your drawings, material requirements, and quantity for a fast manufacturing review and quote.
FAQ

CNC Machining Materials FAQs

Answers to common questions about materials, grades, material selection, certificates, and surface finishing.

We machine aluminum, stainless steel, carbon and alloy steel, tool steel, brass, copper, titanium, and engineering plastics including POM, nylon, ABS, PC, PEEK, and PTFE.

Yes. Send us your drawing and application requirements, and our engineering team can recommend suitable materials based on strength, corrosion resistance, machinability, availability, and cost.

Common grades include 6061, 7075, 2024, 5052, and 6082. Grade selection depends on strength, corrosion resistance, machinability, and finishing requirements.

Yes. We commonly machine stainless steel 303, 304, 316, 316L, and 17-4PH, as well as Titanium Grade 2 and Grade 5 (Ti-6Al-4V).

Yes. Material certificates and traceability documentation can be provided when required. Please specify your certification requirements when requesting a quote.

Yes. Depending on the material and part requirements, finishing options can include anodizing, bead blasting, polishing, plating, black oxide, passivation, and other surface treatments.