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Casting Material

Aluminium Castings

Aluminium parts are produced across four casting routes plus forging, extrusion and stamping, so the process is chosen for your volume and geometry rather than for what a single factory happens to own.

  • Four casting routes plus forging and extrusion
  • 0.01 kg to 2000 kg depending on process
  • Painting, powder coating, anodizing and galvanizing
  • GB, ASTM, EN and JIS grade equivalents
Actuator Housing cast in aluminium alloy by Jianheng Metal

Product Overview

What Aluminium Castings Are Good For

We supply aluminium parts produced by different processes, used across many industries. Our engineers can develop a new part with you or propose a change to an existing one, so that you get a reliable part and at the same time reduce cost.

Because we work through a supply chain of more than thirty factories rather than a single plant, the process is selected for the part. A 200 gram bracket in ten thousand pieces per year goes to high pressure die casting. A 60 kg housing in fifty pieces per year goes to gravity die or sand casting. The same project team handles both.

Who It Is For

Who Buys These Castings

The same material serves very different buyers. These are the four groups that make up most of our enquiries for this range.

Electrical and lighting manufacturers

Enclosures, heat sinks, lamp housings and panel frames.

Vehicle and machinery suppliers

Control arms, covers, gearbox parts and structural brackets.

Pump and fluid equipment

Housings, impellers and turbo style volutes.

Industrial equipment builders

Frames, panels, ducts and enclosures in medium volume.

Problems It Solves

Problems These Castings Solve

Buyers come to us when one of these is happening. If you recognise your situation here, send the drawing and the current part life.

  • Die casting tooling quoted for a part that only needs fifty pieces a year
  • Porosity that shows up only at leak test
  • Anodising colour that shifts between batches
  • Suppliers who cast but cannot machine and finish
  • Weight and cost targets missed because the wrong alloy was chosen

Manufacturing Process

Manufacturing Processes and Piece Weight

We choose the route from the part, not from what one factory happens to own. The route is confirmed in writing with the quotation.

ProcessPiece Weight Range
Sand casting10 kg – 2000 kg
High pressure die casting0.01 kg – 50 kg
Low pressure die casting5 kg – 250 kg
Gravity die casting0.2 kg – 150 kg
ForgingOpen and closed die
ExtrusionProfile sections
StampingSheet parts
MachiningCNC turning and milling
Surface treatmentPainting, powder coating, anodizing, galvanizing

Specifications

Material Standards and Grades

We apply the industry specifications of the country you sell into, so that the metal parts we supply meet your local standard.

StandardGrades We Supply
GBYL101, YL102, YL113, ZL101, ZL104, ZL301, ZL402, 6061, 6063, 6082, 7075
ASTMA360.1, A413.1, A383.1, A356.0, A360.0, A520.0, A712.0, 6061, 6063, 6082, 7075
ENAB43400, AB47100, AB46100, AC42100, AC43300, AC51200, AC71000, 6061, 6063, 6082, 7075
JISAD1.1, AD3.1, AD12.1, AC4C, AC4A, AC7B, 6061, 6063, 6082, 7075

Application Scenarios

Typical Products and Applications

Every image below is a part actually produced through our supply chain.

  • Enclosures and electrical housings
  • Heat sinks and cooling modules
  • Control arms and structural brackets
  • Pump housings and impellers
  • Panels, frames and duct sections
  • Decorative and architectural castings
Actuator Housing in Aluminium Castings produced by Jianheng Metal
Actuator Housing
Cast Bracket in Aluminium Castings produced by Jianheng Metal
Cast Bracket
Control Arm in Aluminium Castings produced by Jianheng Metal
Control Arm
Decorative Plate in Aluminium Castings produced by Jianheng Metal
Decorative Plate
Duct Section in Aluminium Castings produced by Jianheng Metal
Duct Section
Enclosure Box in Aluminium Castings produced by Jianheng Metal
Enclosure Box
Enclosure Panel in Aluminium Castings produced by Jianheng Metal
Enclosure Panel
Filter Disc in Aluminium Castings produced by Jianheng Metal
Filter Disc
Gearbox Cover in Aluminium Castings produced by Jianheng Metal
Gearbox Cover
Heat Sink Module in Aluminium Castings produced by Jianheng Metal
Heat Sink Module
Housing Cover in Aluminium Castings produced by Jianheng Metal
Housing Cover
Impeller Cone in Aluminium Castings produced by Jianheng Metal
Impeller Cone
Lamp Housing in Aluminium Castings produced by Jianheng Metal
Lamp Housing
Link Arm in Aluminium Castings produced by Jianheng Metal
Link Arm
Painted Machine Cover in Aluminium Castings produced by Jianheng Metal
Painted Machine Cover
Panel Frame in Aluminium Castings produced by Jianheng Metal
Panel Frame
Pump Body in Aluminium Castings produced by Jianheng Metal
Pump Body
Pump Housing in Aluminium Castings produced by Jianheng Metal
Pump Housing
Spider Casting in Aluminium Castings produced by Jianheng Metal
Spider Casting
Support Arm in Aluminium Castings produced by Jianheng Metal
Support Arm
Turbo Housing in Aluminium Castings produced by Jianheng Metal
Turbo Housing
Twin Cylinder Cover in Aluminium Castings produced by Jianheng Metal
Twin Cylinder Cover
Wheel Flange in Aluminium Castings produced by Jianheng Metal
Wheel Flange
Star Wheel in Aluminium Castings produced by Jianheng Metal
Star Wheel

Quality Control

Quality Control and Certification

Inspection is planned at the stages where a problem is still cheap to fix, not only at final inspection.

  • Chemical composition by optical emission spectrometer, handheld spectrometer and carbon sulphur analyser
  • Dimensions by manual gauging, gantry and mid size CMM and 3D scanning
  • Mechanical properties by tensile, impact and hardness testing
  • Non destructive testing by magnetic particle, penetrant, ultrasonic and X-ray methods
Optical Emission Spectrometer used for casting inspection
Optical Emission Spectrometer
Gantry CMM used for casting inspection
Gantry CMM
Tensile Testing Machine used for casting inspection
Tensile Testing Machine
Ultrasonic Testing used for casting inspection
Ultrasonic Testing

Third party certification documents are issued by the producing factory for the specific order. Ask for the certificate package that applies to your part before you place the order.

Customization

Customization Options

Almost everything on this page can be adapted to your drawing.

Material and grade

Any of the grades listed above, or a grade you nominate. Where a local equivalent is required we confirm the cross reference before production.

Machining and tolerance

As cast, semi machined or finish machined. Mark the critical dimensions on the drawing and we confirm which faces are machined.

Surface and marking

Painting, powder coating, plating, galvanizing and part number marking, agreed at enquiry stage and priced into the piece price.

Comparison

Comparison With Other Options

A short answer to the question buyers ask most often before they place an order.

OptionWhat You Gain and Give UpTypical Use
High pressure dieFastest cycle, best for high volume0.01 to 50 kg
Gravity and low pressure dieBetter soundness, medium volume0.2 to 250 kg
Sand castingLowest tooling cost, large parts10 to 2000 kg

Use Guide

How to Order and Use This Range

STEP 01

Send the drawing or the sample

A 2D drawing, a 3D file or clear photographs of the worn part with overall dimensions. Add the annual quantity and the target delivery date.

STEP 02

Agree material and process

We propose the grade and the moulding route, confirm tolerance class and machining allowance, and flag anything in the geometry that will add cost.

STEP 03

Tooling and first article

Pattern or die tooling is quoted separately. The first article is measured and tested before batch release.

STEP 04

Batch production and inspection

Stage inspections during production, then final inspection to the agreed standard with the test reports you require.

STEP 05

Packing and shipment

Export packing on fumigated pallets or in steel frames, marked with your part numbers, with the shipping documents you need.

FAQ

Questions About Aluminium Castings

The answers buyers ask for before they place a first order.

Which aluminium casting process fits my part?
High pressure die casting suits 0.01 kg to 50 kg at higher volume, low pressure die casting 5 kg to 250 kg, gravity die casting 0.2 kg to 150 kg, and sand casting 10 kg to 2000 kg. Volume, wall thickness and tolerance decide which is cheapest over the life of the part.
Can you anodize the castings?
Yes. Anodizing, painting, powder coating and galvanizing are available. Note that casting alloys anodize to a different appearance than wrought 6000 series alloys, so if colour matching matters we will agree a sample first.
Do you also supply extruded or forged aluminium parts?
Yes. Extrusion, open and closed die forging, cold rotary forging and stamping are all part of the same supply chain, together with the machining and surface treatment that follow.
What tolerance can you hold?
It depends on the process and the feature. Die cast features can be held much closer than sand cast ones, and critical features are usually machined. Mark the critical dimensions on the drawing and we will confirm which are as cast and which are machined.
Can you help redesign the part to cut cost?
Yes, that is a normal part of our quotation work. Wall thickness, draft, parting line, machining stock and the number of separate parts all change the price, and we will come back with concrete suggestions.

Send Your Drawing and Get a Quote

Send a 2D drawing, a 3D file or photographs of the worn part with the annual quantity. Our engineers reply with the process route, the material grade and a price.