Basic Information About Hardware CNC Castings
Sep 09, 2025
Products Description
High-speed CNC Machining Of Metal Parts
Hardware CNC castings refer to components obtained by casting hardware materials using computer numerical control (CNC) machining technology. The following introduces the materials, processes, characteristics, and applications of hardware CNC castings:
Common Materials
Titanium Alloy: Features low density, lightweight, corrosion resistance, and ease of processing. It is widely used in aerospace, automotive, and electronics fields. For example, automotive engine blocks and aircraft structural components often use titanium alloy CNC castings.
Copper Alloy: Offers good electrical conductivity, thermal conductivity, corrosion resistance, and wear resistance. It is commonly used in electrical equipment, mechanical parts, and pipe fittings. For instance, motor housings and valves may use copper alloy CNC castings.
Cast Iron: Known for high strength, good wear resistance, strong vibration damping, and relatively low cost. It is often used in machine tool beds, engine blocks, and hydraulic components.
Stainless Steel: Exhibits excellent corrosion resistance, high-temperature resistance, and high strength. It is commonly used in food processing, medical devices, and chemical industries where high corrosion resistance is required. Examples include conveyor components in food processing equipment and surgical instruments in medical devices.
Manufacturing Process
Casting: First, molds are created based on the shape and dimensions of the part. Molten metal is then poured into the molds, and after cooling and solidification, casting blanks are obtained. Common casting methods include sand casting, die casting, and precision casting. For example, die casting may be used for hardware parts with complex shapes and large batches to obtain blanks with high dimensional accuracy and good surface quality.
CNC Machining: The cast blanks are clamped onto CNC machines, and the movement trajectory of the cutting tools is controlled through pre-programmed CNC programs to perform cutting operations on the blanks. This achieves the designed dimensions, shapes, and accuracy. CNC machining can complete various processes such as milling, drilling, boring, and tapping. For instance, when machining a hardware CNC casting with complex shapes and high precision requirements, rough milling may be performed first to remove most of the excess material, followed by fine milling to ensure dimensional accuracy and surface roughness.
Characteristics
High Precision: CNC machining can achieve very high processing accuracy, generally up to ±0.01 mm or even higher, meeting the requirements of various precision hardware parts.
Strong Capability for Complex Shapes: Complex CNC programs can be written to machine parts with various complex shapes, such as hardware castings with curved surfaces, cavities, and thin-walled structures.
High Efficiency: CNC machines enable automated continuous processing, reducing manual operation and clamping time, thereby improving production efficiency. This is particularly suitable for batch production.
Stable Quality: As the machining process is controlled by computer programs, the impact of human factors is reduced, resulting in stable processing quality and good product consistency.
Application Fields
Mechanical Manufacturing: Widely used in manufacturing various mechanical parts, such as gears, shafts, and housings. These parts are critical components of mechanical equipment and play an important role in the performance and reliability of the equipment.
Automotive Industry: Many components, such as engine blocks, cylinder heads, transmission housings, and various brackets and steering knuckles in automotive chassis, are hardware CNC castings. Their quality and precision directly affect the performance and safety of automobiles.
Electronics and Electrical Appliances: In the field of electronics and electrical appliances, hardware CNC castings are often used to manufacture heat sinks, housings, connectors, and other parts. For example, heat sinks for computer CPUs are typically made of aluminum alloy CNC castings to ensure good heat dissipation performance and an aesthetically pleasing appearance.
Aerospace: The aerospace industry has extremely high requirements for the quality and precision of parts. Hardware CNC castings are widely used in aircraft structural components and engine parts. For example, aircraft wing spars and engine turbine blades are manufactured using high-performance hardware materials through CNC casting and machining.
Titanium product forms available from GNEE
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Material
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Pure titanium and Titanium alloy
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Titanium Grade
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Grade 1-Unalloyed titanium
Grade 2-Unalloyed titanium
Grade 3-Unalloyed titanium
Grade 7-Unalloyed titanium plus 0.12 to 0.25 %palladium
Grade 9-Titanium alloy (3 % aluminum, 2.5 % vanadium)
Grade 12-Titanium alloy (0.3 % molybdenum, 0.8 % nickel),
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Standard
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ASTM B338/ASME SB338, ASTM B337/ASME SB337, ASTM B861/ASME SB861, ASTM B862/ASME SB862,AMS4911,AMS4928
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Shape
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Round Square Rectangle
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Type
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Seamless/Welded
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Seamless titanium tube: Titanium sponge-Compacting electrodes-melting-Forge-Bar billets-Extruding-Rolled-Straightening-Seamless tube
Welded titanium tube: Titanium sponge-Compacting electrodes-melting-Forge-Plate billets-Hot rolled-Cold rolled-Titanium scrap-Welded-Welded tube |
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Surface
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Polishing, picking, acid washed, black oxide
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Application
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1) General service industries (petroleum, food, chemical, paper, fertilizer, fabric, aviation and nuclear
2) Fluid, gas and oil transport
3) Pressure and heat transmission
4) Construction and ornament
5) Boiler heat exchangers
6) Motorbycle and bike
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Material Milling Certificate
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According to. EN 10204.3.1
Including Chemical composition and Mechanical property |
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Grade |
Gr1, Gr2, Gr3,Gr4,Gr5, Gr7, Gr6,Gr9, Gr11, Gr12 ,Gr16, Gr17,Gr25 |
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Size |
All sizes can be customized |
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Application |
Metallurgy, electronics, machinery, medical treatment, chemical industry, petroleum, medical treatment, aerospace |
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Feature |
High corrosion resistance, low density, good thermal stability |
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Technology |
Hot Forged, Hot Rolled, Cold Rolled, Annealing, Pickling |
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Surface |
Bright, Polished, Pickling, Acid cleaning, Sandblasting |
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Packing |
Export Standard Woodcase |
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Delivery time |
10-25days according to the quantity and process of the product |
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Quality and test |
Hardness test, Bending test, Hydrostatic etc. |
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Grade |
GR1,GR2,GR3,GR5,GR6,GR7,GR9,GR11,GR12, etc. |
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Standard |
ASTM B265,ASTM F136,ASTM F67,AMS4928 |
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Size |
0.5-5.0mm x 1000mm x 2000-3500mm (Thickness x Width x Length) |
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Application |
Metallurgy, electronics, machinery, medical treatment, chemical industry, petroleum, medical treatment, aerospace |
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Supply status |
M (Y/ R/ ST) |
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Feature |
High corrosion resistance, low density, good thermal stability |
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Technics |
Hot Forged, Hot Rolled, Cold Rolled, Annealing, Pickling |
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Surface |
Bright, Polished, Pickling, Acid cleaning, Sandblasting |
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Packing |
Export Standard Woodcase |
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Payment terms |
T/T, L/C, D/A, D/P, Escrow, Western Union, PayPal |
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Certificate |
ISO 9001:2008; The third test report; TÜV Rheinland; |
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Delivery time |
7-15days according to the quantity and process of the product |
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Quality and test |
Hardness test, Bending test, Hydrostatic etc. |
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Material |
Pure titanium and Titanium alloy |
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Titanium Grade |
GR1/GR2/GR3/Gr4/GR5/GR7/GR9/GR12/Gr5Eli/Gr23
ERTi-1/ERTi-2/ERTi-3/ERTi-4/ERTi-5Eli/ERTi-7/ERTi-9/ERTi-11/ERTi-12 Ti15333/Nitinol Alloy |
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Standard |
AWS A5.16/ASTM B863/ASME SB863, ASTMF67, ASTM F136, ISO-5832-2(3) etc |
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Shape |
Titanium Coil Wire/Titanium Spool Wire/Titanium Straight Wire |
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Wire Gauge |
Dia(0.06--6) *L |
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Process |
Bar billets-hot rolling-drawing-annealing-strength-pickling |
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Surface |
Polishing, picking, acid washed, black oxide |
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Main Technique |
Hot Forged; Hot Rolled; Cold drawn; Straighten etc |
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Material Milling Certificate |
According to. EN 10204.3.1 |
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Application |
Welding, Industry, Medical, Aerospace, Electronic etc |
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Material Available |
Aluminum, Stainless Steel, Carbon Steel, Brass, Bronze, Copper, Titanium and etc |
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Surface Treatment Available |
Anodized, Nickel Plated, Zinc Plated, Chrome Plated, Passivation, Electrophoresis, Electropolishing, Painting, Powder Coated, etc |
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Certificate &Standard |
ISO9001 certified factory with good quality control and all of our products are 100% inspected before delivery. |
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Equipments |
Over 28 CNC Milling Machines (3,4, 5 Axis) & 22 CNC Turning machines can support your large order demand. |
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Design |
OEM & ODM are welcome, and also we have a R&D team and can help your design and develop your products |
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Application |
Different kinds of cars, machinery, home appliance, electronic products, electric appliance, stationery, computers, power |
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MOQ |
No quantity limitation |
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Samples |
Welcome you to request samples to test and check the quality. |
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Delivery & Shipping |
We can deliver to over 50 countries all over the world, shipping by DHL, FedEx, UPS, etc around 3 to 5 days |
GNEE is a specialized manufacturer and exporter of high-quality titanium products, including pipes, sheets, bars, wires, and fabricated parts.
We utilize advanced CNC machining, rolling, and welding equipment to ensure precision manufacturing. All products undergo strict chemical, mechanical, and non-destructive testing to guarantee compliance with international standards.
Our export-safe packaging includes wooden crates and waterproof wrapping to ensure secure delivery. If you have any needs, please feel free to contact us immediately：info@gneemetal.com
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