CNC Machining Material Library

Senrui Precision — CNC Cutting Material Database · Nine-dimensional Performance Atlas · Aluminum / Steel / Stainless Steel / Brass / Titanium Alloy / Engineering Plastics · Key Property Comparison

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This library covers Senrui's six major CNC machining material systems: ● Aluminum Alloy (6061 / 7075 / 2024 / 5083 / 6063 / 6082 / 2A12), ● Steel & Stainless Steel (45# / 40Cr / 304 / 316L), ● Brass (C3604 / H62), ● Titanium Alloy (TC4), ● Engineering Plastic (PEEK / POM). Materials are split into two categories: ● Senrui Internal Grades are in production use; ● Reference General Grades come from a general material knowledge base. Click a card to view the nine-dimensional performance radar chart and key physical properties. Radar dimensions: Mechanical Strength / Hardness / Ductility / Corrosion Resistance / Wear Resistance / Heat Resistance / Magnetic Properties / Dimensional Accuracy / Cost Advantage, scored 0–10 (higher cost advantage = more economical).
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CORE METRICS

Key CNC Machining Metrics

Key quantitative metrics for Senrui CNC common materials: grade coverage, machining characteristics, and performance boundaries.

Common Aluminum Alloy Grades7 types
Machinable Stainless Steel304 / 316L
Titanium Alloy Machining DifficultyHigh (Slow)
Engineering Plastic Heat Resistance≤250 °C (PEEK)
Materials in Production16 types
MATERIAL SYSTEMS

CNC Material System Overview

Covering five systems—aluminum alloy, steel / stainless steel, brass, titanium alloy, and engineering plastics—click tags to filter quickly; click the cards above to view nine-dimensional atlas details.

GradeCategoryDensity g/cm³Tensile Strength MPaKey PropertiesTypical Applications
6061-T66-Series Aluminum2.70≥310Easy to Machine, Good AnodizingStructure / Enclosures
7075-T67-Series Aluminum2.81≥570High Strength, AerospaceLoad-Bearing / Moving Parts
2024-T42-Series Aluminum2.78≥440High Strength, Hard AluminumAerospace Structures
5083-H1115-Series Aluminum2.66≥275Corrosion Resistant (Marine)Shipbuilding / Welding
6063-T56-Series Aluminum2.69≥215Extrusion / DecorationProfiles / Frames
6082-T66-Series Aluminum2.70≥310Load-Bearing, Easy to MachineStructure / Frames
2A122-Series Aluminum2.78≥430Domestic High StrengthAerospace / Tooling
304 Stainless SteelStainless Steel7.93≥515Corrosion Resistant, General PurposeEnclosures / Food
316L Stainless SteelStainless Steel7.98≥485Pitting Resistant, MedicalMedical / Chemical
45# SteelCarbon Steel7.85≥600Low Cost, Quenched and TemperedStructure / Tooling
40CrAlloy Steel7.82≥980Load-Bearing, Quenched and TemperedShafts / Gears
H62 BrassBrass8.43≥370Free-Cutting, Electrically ConductiveDecoration / Connectors
C3604 BrassBrass8.5≥340Top Choice for TurningPrecision Turned Parts
TC4 (Ti-6Al-4V)Titanium Alloy4.43≥895High Specific Strength, Hard to MachineAerospace / Medical
PEEKEngineering Plastics1.30≥90High Temperature Resistant, Self-LubricatingMetal Replacement
POMEngineering Plastics1.41≥60Low Friction, PrecisionGears / Slides
Note
Values in the table are typical reference ranges; actual values follow the grade TDS and treatment condition; click the cards above to view the nine-dimension map and key physical properties.
FAQ

CNC Material FAQ

Common questions on CNC cutting materials and selection, answered by our engineers.

Which materials is CNC suitable for machining?+

Both metals (aluminum / steel / stainless steel / copper / titanium) and engineering plastics are supported; hard-brittle materials (e.g., hardened steel, PEEK) require corresponding tools and parameters.

Aluminum 6061 or 7075?+

6061 offers overall easy machinability, good anodizing, and low cost, suiting most structures; 7075 has high strength for load-bearing/aerospace but weaker welding and corrosion resistance.

Challenges of stainless steel CNC?+

Obvious work hardening and tool sticking; needs sharp tools, proper coolant and low speed with large feed.

Why is titanium alloy expensive and slow?+

High specific strength but poor thermal conductivity, prone to tool deflection and sticking; low cutting efficiency, high tool wear.

Can engineering plastics be CNC machined?+

Yes — POM/PEEK/nylon etc. can be precision-machined; mind clamping to prevent deformation and heat dissipation.

Pick the right material—the balance of CNC part performance and cost.

Upload part drawings along with performance/budget requirements, and Senrui Precision CNC engineers will recommend materials, cutting tools, and process routes, delivering high-precision solutions from small to medium batches.