What Details Should Be Paid Attention to During the Production Process of Titanium Alloy Castings?
Sep 09, 2025
Products Description
High-speed CNC Machining Of Metal Parts
During the production process of titanium alloy castings, details need to be carefully addressed in various stages such as melting, molding, pouring, and heat treatment. Below is a detailed introduction:
Raw Material Selection:
Ensure the use of high-purity titanium alloy raw materials and strictly control impurity content, as impurities may adversely affect the performance of the titanium alloy. At the same time, pay attention to batch consistency of raw materials to avoid performance instability caused by differences between batches.
Melting Process:
The melting of titanium alloy must be carried out under vacuum or inert gas protection to prevent titanium from reacting with oxygen, nitrogen, and other gases in the air at high temperatures, which could form brittle phases and reduce the alloy's performance. Additionally, precisely control the melting temperature and time to ensure uniform alloy composition and avoid over-melting or under-melting.
Mold Preparation:
Select suitable mold materials, such as ceramic molds or graphite molds. The mold should have good high-temperature resistance, permeability, and dimensional accuracy to ensure the molding quality of the castings. During the molding process, pay attention to the design and manufacturing precision of the mold to ensure the dimensions and shape of the castings meet requirements. Additionally, the mold must be thoroughly dried and preheated to prevent moisture and gases from entering the molten metal during pouring, which could cause defects such as pores and slag inclusions.
Pouring Process:
Control the pouring temperature and speed appropriately. If the pouring temperature is too high, it will increase the shrinkage and thermal stress of the casting, easily leading to defects such as cracks. If the pouring temperature is too low, it may result in incomplete filling or cold shuts. The pouring speed should be moderate; too fast may cause splashing or gas entrapment, while too slow may lead to premature solidification of the molten metal in the mold cavity, affecting the integrity of the casting.
Cooling and Solidification:
Reasonably control the cooling speed of the casting. Titanium alloy castings are prone to significant internal stress during cooling, so appropriate measures must be taken to control it, such as using suitable cooling media and optimizing the structural design of the casting, to prevent deformation and cracks. At the same time, pay attention to the uniformity of cooling to avoid localized rapid or slow cooling, which could lead to uneven microstructure.
Heat Treatment:
Develop appropriate heat treatment processes based on the specific requirements of the titanium alloy castings, such as annealing, solution treatment, and aging treatment, to improve the mechanical properties of the castings (e.g., strength, hardness, toughness), refine the microstructure, and eliminate internal stress. During the heat treatment process, strictly control parameters such as heating rate, holding time, and cooling rate to ensure consistent heat treatment results.
Quality Inspection:
Conduct strict quality inspections during the production process, including visual inspection, dimensional accuracy measurement, internal defect detection (e.g., radiographic testing, ultrasonic testing, penetrant testing), and mechanical performance testing. Identify and address non-conforming products in a timely manner, analyze the causes of defects, and take appropriate improvement measures to enhance product quality.
Environmental Protection and Safety:
During the production process of titanium alloy castings, harmful gases, dust, and waste slag are generated. Effective environmental protection measures must be taken to reduce pollution. At the same time, pay attention to safety issues during production, such as preventing high-temperature burns, electrical leakage, and gas leaks. Operators must strictly adhere to safety操作规程 and wear personal protective equipment.
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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