Metal CNC Machining
CNCPOR delivers precision-engineered metal components through advanced CNC machining technology. Our state-of-the-art facility combines cutting-edge equipment with expert engineering to produce high-quality parts that meet the most demanding specifications across industries.
Types of Metals for CNC Machining
CNCPOR offers CNC machining services for a comprehensive range of metal materials to meet diverse application requirements.
| Material Category | Typical Grade | Core Characteristics | Mechanical Properties | Machining Difficulty |
|---|---|---|---|---|
| Aluminum Alloys | 6061-T6 | Low density (2.7g/cm³), excellent thermal conductivity, easy to machine, good corrosion resistance, weldable, and anodizable. | Tensile strength 290MPa, hardness HB95, elongation 12%, thermal conductivity 201W/(m·K) | ★☆☆☆☆ |
| 7075-T6 | High strength (tensile strength 503MPa), fatigue resistance, suitable for high-stress scenarios; slightly lower corrosion resistance than 6061 (requires anodizing). | Tensile strength 503MPa, hardness HB150, elongation 11%, thermal conductivity 130W/(m·K) | ★★☆☆☆ | |
| Stainless Steels | 304 | Strong corrosion resistance (atmospheric), non-magnetic, polishable to mirror finish; prone to work hardening during machining. | Tensile strength 515MPa, hardness HB200, elongation 40%, thermal conductivity 16.2W/(m·K) | ★★★☆☆ |
| 316L | Contains 2-3% molybdenum; superior chloride corrosion resistance (e.g., seawater) and high-temperature stability. | Tensile strength 485MPa, hardness HB180, elongation 40%, thermal conductivity 13.4W/(m·K) | ★★★★☆ | |
| Titanium Alloys | TC4 (Ti-6Al-4V) | Ultra-high specific strength (≈18), high-temperature resistance (≤600℃), excellent biocompatibility; high cutting force and adhesion during machining. | Tensile strength 900MPa, hardness HB360, elongation 10%, thermal conductivity 7.2W/(m·K) | ★★★★★ |
| TA15 (Ti-6Al-2Sn-4Zr-2Mo) | Medium strength, high toughness, fatigue resistance, good weldability; requires strict cutting temperature control. | Tensile strength 980MPa, hardness HB380, elongation 12%, thermal conductivity 6.5W/(m·K) | ★★★★★ | |
| Copper Alloys | C3604 (Free-cutting Brass) | Excellent electrical conductivity (≥100%IACS), good chip breaking, high surface finish; suitable for high-speed machining. | Tensile strength 370MPa, hardness HB80, elongation 25%, thermal conductivity 110W/(m·K) | ★☆☆☆☆ |
| C1100 (Pure Copper) | Highest conductivity (101%IACS), excellent ductility; low hardness (HB35) and prone to deformation. | Tensile strength 220MPa, elongation 45%, thermal conductivity 398W/(m·K) | ★★☆☆☆ | |
| C17200 (Beryllium Bronze) | High strength (1100MPa), high conductivity (22%IACS), excellent elastic limit; suitable for precision springs. | Hardness HRC38-44, elongation 5%, thermal conductivity 105W/(m·K), fatigue life ≥10⁷ cycles | ★★★★☆ | |
| C35600 (Lead Brass) | Contains 2-3% lead, 40% lower cutting resistance, high surface finish; ideal for mass production with automatic lathes. | Tensile strength 450MPa, hardness HB100, elongation 20%, conductivity 28%IACS | ★☆☆☆☆ | |
| C95400 (Aluminum Bronze) | Seawater corrosion resistance (rate ≤0.05mm/year), high hardness (HB170); suitable for heavy-duty sliding parts. | Tensile strength 586MPa, yield strength 221MPa, elongation 12%, friction coefficient 0.12 (oil-lubricated) | ★★★☆☆ | |
| Steels | 45# Steel | Good comprehensive properties, low cost; hardenable to HRC40-50 via quenching + tempering, but poor weldability. | Tensile strength 600MPa, hardness HB197, elongation 16%, thermal conductivity 48W/(m·K) | ★★☆☆☆ |
| 12L14 (Free-cutting Steel) | Sulfur-containing for low cutting resistance, high efficiency, good surface quality; poor corrosion resistance (requires coating). | Tensile strength 420MPa, hardness HB160, elongation 22%, thermal conductivity 45W/(m·K) | ★☆☆☆☆ | |
| Q345B (HSLA Steel) | Yield strength 345MPa, low cost (1/3 of stainless steel), excellent weldability; suitable for large structures. | Tensile strength 470-630MPa, hardness HB160, elongation 21%, impact energy (-20℃) ≥34J | ★★☆☆☆ | |
| Q690D (Ultra-HSLA Steel) | Yield strength 690MPa, improved weather resistance; suitable for UHV towers and offshore platforms. | Tensile strength 830-970MPa, hardness HB250, elongation 14%, corrosion rate ≤0.01mm/year | ★★★☆☆ | |
| Hadfield Steel (12Mn) | Significant work hardening (HB200→HB500), wear/impact resistance; ideal for mining machinery. | Tensile strength 860MPa, initial hardness HB200, elongation 35%, impact energy ≥150J | ★★★☆☆ | |
| Tool Steels | H13 (4Cr5MoSiV1) | Hot-work die steel, heat resistance (550℃), excellent thermal cracking resistance; for die casting/hot extrusion molds. | Quenched hardness HRC48-52, tensile strength 1550MPa, impact toughness 35J/cm² | ★★★★☆ |
| D2 (Cr12MoV) | Cold-work die steel, high hardness (HRC60-62), extreme wear resistance; for high-stress stamping dies. | Tensile strength 1937MPa, compressive strength 1070MPa, friction coefficient 0.15 (oil-lubricated) | ★★★★★ | |
| High-Temperature Alloys | Inconel 718 | Heat resistance (980℃), creep resistance; for extreme environments, but severe work hardening. | Tensile strength 1290MPa, hardness HB360, elongation 20%, thermal conductivity 11.4W/(m·K) | ★★★★★ |
| Incoloy 800H | Nickel-iron-chromium alloy, oxidation resistance (980℃), carburization resistance; for ethylene cracking furnaces/nuclear reactors. | Tensile strength 620MPa (room temp), creep strength (700℃/1000h) 120MPa | ★★★★★ | |
| Hastelloy C-276 | Nickel-molybdenum-chromium alloy, resistance to strong corrosion (aqua regia/hydrofluoric acid); high cost. | Tensile strength 760MPa, hardness HB215, elongation 40%, intergranular corrosion rate ≤0.01mm/year | ★★★★★ | |
| Magnesium Alloys | AZ91D | Ultra-low density (1.8g/cm³), high specific strength, good shock absorption; prone to oxidation (requires fire prevention). | Tensile strength 230MPa, hardness HB65, elongation 3%, ignition point ~550℃ | ★★☆☆☆ |
| ME20 | Rare earth-containing (e.g., Nd), 30% better corrosion resistance, good weldability; for complex structural parts. | Tensile strength 250MPa, hardness HB70, elongation 5%, linear expansion 26.6μm/(m·℃) | ★★★☆☆ | |
| Other Alloys | Zamak 5 (Zinc Alloy) | Die-casting alloy, excellent fluidity, suitable for complex thin-walled parts; low cost but limited strength. | Tensile strength 275MPa, hardness HB80, elongation 3%, melting point 380℃ | ★☆☆☆☆ |
| 4J36 (Invar) | Extremely low thermal expansion (1.8μm/(m·℃)); for precision instruments. | Tensile strength 450MPa, hardness HB120, elongation 30%, Curie temperature 230℃ | ★★★☆☆ | |
| YG8 (Tungsten Steel) | High hardness (HRA90), wear life 20× high-speed steel; brittle (requires impact prevention). | Bending strength 2100MPa, compressive strength 5600MPa, density 14.6g/cm³ | ★★★★★ |
Not Sure Which Material is Suitable for Your Project?
Our engineering team can recommend the most suitable materials based on the specific requirements of your project.
Our Metal CNC Machining Capabilities
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Metal CNC Milling
Precision milling of complex contours, planes, slots, and 3D surfaces. Compatible with aluminum, stainless steel, titanium, and specialty alloys.
Metal CNC Turning
Efficient production of rotational parts (cylinders, threads, tapers, faces). Equipped with automatic bar feeding for batch processing of shafts, discs, and sleeves.
Swiss Metal CNC Machining
Multi-axis Swiss-type machining for long, slender, and micro-precision parts. Integrates turning, milling, drilling, and tapping in one setup.
Surface Finishing Options
All finishing processes are performed to industry standards and can be customized to your specific requirements.
Anodizing
Enhances corrosion resistance and creates a decorative finish on aluminum parts. Available in clear, black, blue, red, gold, and custom colors.
Powder Coating
Provides a durable, attractive finish with excellent chemical and corrosion resistance. Available in virtually any color and texture.
Electroplating
Improves corrosion resistance, wear properties, and appearance. Options include chrome, nickel, zinc, gold, and silver plating.
Passivation
Enhances the natural corrosion resistance of stainless steel by removing free iron from the surface and creating a protective oxide layer.
Bead Blasting
Creates a uniform matte finish that removes tool marks and provides an excellent surface for painting or coating applications.
Polishing
Produces a smooth, reflective surface with reduced friction. Options range from satin finish to mirror polish depending on your requirements.
Frequently Asked Questions
It is necessary to provide 2D or 3D drawings of the parts (with clear requirements on dimensions, tolerances, etc.), the materials to be processed, the quantity to be processed, surface treatment requirements, and the required delivery time, etc.
Usually, the quotation is valid for 30 days. If there are significant changes in material prices, market conditions, etc. during this period, the quotation may be adjusted accordingly.
Yes, we accept small - batch orders. We can provide processing services for you, whether it's a few pieces or dozens of pieces.
Yes, our engineers can provide customers with design assistance, including optimizing part structures to improve processing feasibility and reduce costs, etc.
Yes, simple design consultations and suggestions are usually free of charge. If extensive design modifications or redesigns are required, a certain fee will be charged according to the specific situation.
Yes, if the parts do not meet the requirements due to our processing reasons, we will rework them free of charge; if it is due to changes in customer drawings or requirements, it will be handled after consultation between both parties.
Yes, we can provide customers with metal material procurement services. Customers only need to inform us of the types, specifications, etc. of the required materials.
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