Product Description

 

Specification OEM production – according to customer’s drawing or sample.
Casting Weight 0.1KG-300KG
Casting Standard ISO ,DIN, AISI, ASTM, BS, JIS, EN, AS etc. 
Casting Tolerance CT7-CT8.
Surface Roughness Ra0.05-Ra50.
Heat Treatment Normalizing, Annealing, Quenching,  Tempering,  etc.
Casting Material High grade ductile iron(QT1050-6)/(QT800-5)/(QT600-5), Grey iron, Stainless steel, Carbon steel.
Casting Process Sand Casting Resin sand
Coated sand
Clay sand
Iron based coated sand
Investment Casting
Lost Foam Casting
Vacuum process casting
Finish Sand Blasting,  Zinc Plating, H.D.Galvanizing, Spray-Paint, Passivating,Polishing,Electrophoresis, ,Machining,etc.
Inspection Equipment Test equipment: Spectrum Analyzer, Hexagon CMM, Hardness test equipment, Tension test machine, E-coating testing equipments, Metalloscope.
Dimension Inspection CMM, Projection Machine,Calipers, Height Gauge, Micrometer Calipers, Inside Caliper Gauge, Angle and R Gauge,customized gauge, etc.
Product application Automobile, railway, construction, mining, agricultural machinery, mining machinery, petroleum machinery, engineering machinery, shipbuilding,etc.
Sample production cycle 30-45 Working days.

 

FACTORY OVERVIEW

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Type: Chemical Hardening Sand
Casting Method: Thermal Gravity Casting
Sand Core Type: Resin Sand Core
Application: Auto Parts
Machining: CNC Machining
Material: Iron
Samples:
US$ 20/Piece
1 Piece(Min.Order)

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Customization:
Available

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cast aluminium

Can cast aluminium be welded, and if so, what techniques are used?

Yes, cast aluminium can be welded, but it requires specific techniques and considerations due to the unique characteristics of the material. Here’s a detailed explanation:

Cast aluminium is a commonly used material in various industries due to its lightweight, high strength-to-weight ratio, and good corrosion resistance. Welding cast aluminium can be challenging because it has different properties compared to wrought aluminium, primarily due to its microstructure and the presence of impurities and inclusions.

When welding cast aluminium, several important factors should be considered:

  • Preparation and Cleaning:
  • Prior to welding, thorough cleaning of the cast aluminium surfaces is crucial. Any contaminants, such as oils, dirt, or oxide layers, should be removed to ensure proper fusion and minimize the risk of defects in the weld.

  • Preheating:
  • Preheating the cast aluminium part can help reduce the thermal stresses and minimize the potential for cracking during welding. The preheating temperature and duration depend on factors such as the alloy type, part thickness, and welding method.

  • Welding Techniques:
  • Various welding techniques can be used for cast aluminium, including:

    • Tungsten Inert Gas (TIG) Welding: TIG welding is commonly used for welding cast aluminium. It involves the use of a non-consumable tungsten electrode to create an electric arc, and a shielding gas (typically argon) protects the weld area from atmospheric contamination. TIG welding allows precise control of the heat input and produces high-quality welds.
    • Metal Inert Gas (MIG) Welding: MIG welding, also known as Gas Metal Arc Welding (GMAW), can be used for cast aluminium. It utilizes a consumable electrode wire and an inert gas shield to protect the weld pool. MIG welding is faster than TIG welding but may require more expertise to achieve good results with cast aluminium.
    • Fusion Welding: In some cases, fusion welding techniques like oxyfuel gas welding or plasma arc welding may be suitable for specific cast aluminium applications. These processes involve the localized melting of the base metal to create the weld joint.
  • Filler Material:
  • The choice of filler material for welding cast aluminium is crucial. Generally, an aluminium-silicon alloy filler wire, such as 4043 or 5356, is used. These alloys have a similar composition to most cast aluminium grades and provide good fusion and mechanical properties.

  • Post-Weld Heat Treatment:
  • After welding, post-weld heat treatment (PWHT) may be necessary to relieve residual stresses and improve the mechanical properties of the weld. The specific PWHT requirements depend on factors such as the alloy composition, part thickness, and application.

  • Weld Quality and Testing:
  • Proper inspection and testing of the welds are essential to ensure their quality and integrity. Non-destructive testing methods, such as visual inspection, dye penetrant testing, or radiographic examination, can be employed to detect any weld defects or discontinuities.

It is important to note that welding cast aluminium can be more challenging compared to welding wrought aluminium due to the potential for casting defects, such as porosity or inclusions, which can affect the weld integrity. Therefore, it is advisable to work with experienced welders who have expertise in welding cast aluminium and understand the specific challenges associated with the material.

In summary, cast aluminium can be welded using techniques such as TIG welding, MIG welding, or fusion welding, provided proper preparation, cleaning, preheating, filler material selection, and post-weld heat treatment are considered. By following appropriate welding procedures and conducting thorough quality inspections, reliable and structurally sound welds can be achieved in cast aluminium parts.

cast aluminium

What are the weight differences between cast aluminium and cast iron products?

The weight differences between cast aluminium and cast iron products can vary depending on the specific design, dimensions, and intended application of the products. Here’s a detailed explanation:

Cast aluminium and cast iron are both commonly used materials in various industries due to their unique properties. However, they differ significantly in terms of weight:

  • Cast Aluminium:
  • Cast aluminium is known for its lightweight nature. It has a lower density compared to cast iron, which results in significantly lighter products. The density of aluminium is approximately 2.7 grams per cubic centimeter (g/cm³). As a result, products made from cast aluminium are generally lighter and easier to handle than their cast iron counterparts. This property makes cast aluminium particularly desirable for applications where weight reduction is a priority, such as in the automotive, aerospace, and consumer goods industries.

  • Cast Iron:
  • Cast iron, on the other hand, is considerably heavier than cast aluminium. It has a higher density, typically ranging from 6.9 g/cm³ to 7.8 g/cm³, depending on the specific type of cast iron. The higher density of cast iron stems from its composition, which includes a higher proportion of iron and other alloying elements. The weight of cast iron products can vary significantly depending on the design and size of the product, but they are generally much heavier compared to equivalent cast aluminium products. Cast iron’s weight and strength make it suitable for applications that require robustness, stability, and resistance to deformation, such as in construction, machinery, and cookware.

It is important to note that the weight difference between cast aluminium and cast iron can have implications for various factors, including transportation, installation, and overall product performance. The lighter weight of cast aluminium can make it easier to handle, transport, and install, which can result in cost savings and improved efficiency. Additionally, the weight difference can affect the load-bearing capacity and structural requirements of products, as cast iron’s higher density provides inherent strength and stability.

Ultimately, the choice between cast aluminium and cast iron depends on the specific application, considering factors such as desired strength, weight limitations, durability, cost, and aesthetic requirements. Both materials offer unique advantages and trade-offs, and selecting the appropriate material involves evaluating these factors in relation to the intended use and performance expectations of the product.

cast aluminium

What properties make cast aluminium suitable for outdoor furniture?

Cast aluminium possesses several properties that make it highly suitable for outdoor furniture. Here’s a detailed explanation:

  • Corrosion Resistance:
  • One of the key properties of cast aluminium is its excellent corrosion resistance. Aluminium naturally forms a protective oxide layer on its surface, which acts as a barrier against environmental factors such as moisture, oxygen, and UV radiation. This inherent corrosion resistance allows cast aluminium outdoor furniture to withstand exposure to rain, humidity, and other outdoor elements without rusting or deteriorating.

  • Lightweight:
  • Cast aluminium is significantly lighter than other metals commonly used in furniture, such as iron or steel. This lightweight property makes cast aluminium furniture easy to move and rearrange in outdoor spaces. It is particularly advantageous for larger furniture pieces, such as dining sets or lounge chairs, as it allows for effortless transportation and storage.

  • Durability:
  • Cast aluminium is known for its durability and long lifespan. It is a robust material that can withstand the rigors of outdoor use, including exposure to sunlight, temperature variations, and frequent handling. Unlike wood, cast aluminium is not prone to cracking, warping, or rotting, making it an ideal choice for outdoor furniture that needs to withstand different weather conditions.

  • Low Maintenance:
  • Outdoor furniture made from cast aluminium requires minimal maintenance. The corrosion-resistant nature of aluminium eliminates the need for regular painting or protective coatings. Cast aluminium furniture can be easily cleaned with mild soap and water, and occasional application of a protective wax or polish can help maintain its appearance over time.

  • Aesthetic Appeal:
  • Cast aluminium furniture offers a wide range of design options and finishes. It can be intricately molded and shaped to create various styles and patterns, allowing for visually appealing outdoor furniture designs. Cast aluminium can also be finished with different coatings or powder coatings, providing options for color customization and enhancing its aesthetic appeal.

  • Comfort:
  • Along with its functional properties, cast aluminium furniture can be designed with comfort in mind. Cushions or padded seating can be added to enhance the comfort level, making it suitable for extended outdoor lounging or dining experiences.

The combination of corrosion resistance, lightweight construction, durability, low maintenance, aesthetic versatility, and comfort makes cast aluminium an excellent choice for outdoor furniture. It can withstand outdoor conditions while providing a visually appealing and comfortable seating or dining experience.

China supplier OEM Casting Iron/Steel/Aluminium Vehicle Parts Spare Part Steering System Ts/IATF 16949 Certified  China supplier OEM Casting Iron/Steel/Aluminium Vehicle Parts Spare Part Steering System Ts/IATF 16949 Certified
editor by CX 2024-04-11