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ShanXi TaiGang Stainless Steel Co.,Ltd

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China 4032 High Silicon Aluminum Alloy Bar For Automotive Pistons With Low Thermal
China 4032 High Silicon Aluminum Alloy Bar For Automotive Pistons With Low Thermal

  1. China 4032 High Silicon Aluminum Alloy Bar For Automotive Pistons With Low Thermal

4032 High Silicon Aluminum Alloy Bar For Automotive Pistons With Low Thermal

  1. MOQ: 1 TON
  2. Price: Negotiation
  3. Get Latest Price
Payment Terms L/C,D/A,D/P,T/T,Western Union
Supply Ability 2000Tons /Month
Delivery Time 3~10 DAYS, Most of sizes are in stock
Packaging Details Export sea worthy packing with wooden pallet and well tied and protected, Or as to clients' requirements.
Compliancestandards ASTM, ISO, EN
Diameter Varies, typically 10mm to 200mm
Corrosionresistance High
Applications Construction, Automotive, Aerospace, Machinery
Density Approximately 2.7 g/cm³
Material Aluminum Alloy
Surfacefinish Mill Finish, Polished, Anodized
Electricalconductivity Varies by alloy, generally good
Tensilestrength Typically 200-600 MPa depending on alloy
Heattreatment Available (T3, T6, etc.)
Productname Alloy Aluminum Bar
Shape Bar
Brand Name taigang
Model Number 6061
Certification SGS,ISO,CE,BIS
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms L/C,D/A,D/P,T/T,Western Union Supply Ability 2000Tons /Month
Delivery Time 3~10 DAYS, Most of sizes are in stock Packaging Details Export sea worthy packing with wooden pallet and well tied and protected, Or as to clients' requirements.
Compliancestandards ASTM, ISO, EN Diameter Varies, typically 10mm to 200mm
Corrosionresistance High Applications Construction, Automotive, Aerospace, Machinery
Density Approximately 2.7 g/cm³ Material Aluminum Alloy
Surfacefinish Mill Finish, Polished, Anodized Electricalconductivity Varies by alloy, generally good
Tensilestrength Typically 200-600 MPa depending on alloy Heattreatment Available (T3, T6, etc.)
Productname Alloy Aluminum Bar Shape Bar
Brand Name taigang Model Number 6061
Certification SGS,ISO,CE,BIS Place of Origin China
High Light Wear Resistance Aluminum Alloy BarAutomotive Pistons Aluminum Alloy Bar4032 Aluminum Alloy Bar
4032 Aluminum Bar High Silicon Alloy for Automotive Pistons and Precision Machining
Product Overview

4032 aluminum bar is a high-silicon aluminum alloy material widely used in automotive pistons, precision machining components, aerospace parts, and wear-resistant mechanical applications. Compared with conventional 6061 or 7075 aluminum alloys, 4032 aluminum alloy contains a higher silicon content, which improves wear resistance, thermal stability, and low thermal expansion performance.

This alloy is commonly selected for high-temperature operating environments and precision mechanical systems where dimensional stability and reduced expansion are important. The material is suitable for CNC machining, turning, milling, and precision component manufacturing.

4032 aluminum bars are available in round bar, flat bar, and custom-machined profiles with stable tolerance and controlled surface quality for industrial manufacturing applications.

 
Common Challenges in High-Speed Mechanical Systems
  • Excessive thermal expansion under high temperatures
  • Reduced wear resistance during friction operation
  • Machining instability in precision components
  • Surface deformation after long-term operation
  • Difficulty maintaining dimensional consistency

These issues are especially common in automotive piston manufacturing, aerospace mechanical systems, and precision rotating equipment.

 
Solution Benefits
  • High silicon content for improved wear resistance
  • Low coefficient of thermal expansion
  • Stable dimensional performance under heat
  • Good machinability for CNC processing
  • Lightweight strength for moving components

The alloy is widely used in applications requiring high-temperature stability and precision tolerance control.

 
Technical Specifications
Item Specification
Product Name 4032 Aluminum Bar
Alloy Grade AA4032
Shape Round Bar / Flat Bar / Custom Profile
Diameter Range 6 mm - 300 mm
Length Customized Length
Temper T6 / T651
Surface Finish Mill Finish / Polished
Standard ASTM B211 / AMS Standards
Density Approx. 2.69 g/cm³
Main Alloy Elements Silicon, Magnesium, Copper
Processing Method Extruded / Drawn / CNC Machined
Feature Low Thermal Expansion / Wear Resistant
 
Applications
Automotive Industry
  • Automotive pistons
  • Racing engine components
  • Transmission system parts
  • Turbocharger components
Aerospace Industry
  • Precision aerospace fittings
  • Lightweight rotating components
  • Structural mechanical assemblies
Industrial Manufacturing
  • CNC precision parts
  • High-speed rotating shafts
  • Wear-resistant machine components
  • Thermal stability assemblies
Electronics & Engineering
  • Precision fixture systems
  • Heat-sensitive mechanical structures
  • Lightweight industrial equipment
 
How It Works

4032 aluminum alloy achieves its performance through a high silicon alloy composition combined with heat treatment processing.

The increased silicon content improves:

  • Wear resistance during repeated friction
  • Thermal stability under elevated temperatures
  • Dimensional consistency during mechanical operation

During CNC machining, the alloy maintains stable cutting performance and reduced deformation, making it suitable for precision industrial parts.

 
Selection Guide
By Application
Automotive Pistons

Recommended:

  • 4032-T6 aluminum round bar
  • Precision-machined surface
  • Tight dimensional tolerance
Precision Mechanical Components

Recommended:

  • Drawn aluminum bar
  • Stable straightness control
  • CNC machining grade material
High Temperature Equipment

Recommended:

  • Low expansion aluminum alloy
  • Heat-treated T651 condition
By Processing Requirement
Processing Type Recommended Surface
CNC Turning Precision Drawn
Milling Extruded Surface
Polishing Polished Finish
Anodizing Mill Finish
 
Frequently Asked Questions
What is 4032 aluminum mainly used for?

4032 aluminum is commonly used for automotive pistons, aerospace components, and precision mechanical parts requiring wear resistance and thermal stability.

What are the advantages of 4032 aluminum compared with 6061?

4032 aluminum provides lower thermal expansion and better wear resistance due to its higher silicon content.

Is 4032 aluminum suitable for CNC machining?

Yes. The alloy offers stable machining performance for turning, milling, and precision component manufacturing.

Can 4032 aluminum bars be customized?

Yes. Diameter, length, tolerance, and surface finish can be customized according to industrial requirements.

Is 4032 aluminum suitable for high-temperature applications?

Yes. The alloy maintains stable dimensional performance in elevated temperature operating environments.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Exporter,Seller

  • Year Established:

    2002

  • Total Annual:

    10000000-30000000

  • Employee Number:

    50~100

  • Ecer Certification:

    Verified Supplier

COMPANY PROFILE Shanxi Taigang Stainless Steel Co., Ltd. focuses on the development of special steel mainly made of stainless steel, and has formed a cluster of high-efficiency, energy-saving and long-l ife steel products mainly composed of stainless steel, cold-rol led si l icon steel, and hi... COMPANY PROFILE Shanxi Taigang Stainless Steel Co., Ltd. focuses on the development of special steel mainly made of stainless steel, and has formed a cluster of high-efficiency, energy-saving and long-l ife steel products mainly composed of stainless steel, cold-rol led si l icon steel, and hi...

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  • ShanXi TaiGang Stainless Steel Co.,Ltd
  • Room G001-A, No. G001e, 2310 Floor 23, Building A, Zhonghai International Center, Jinci Road,Taiyuan,Shanxi,China
  • https://www.taigangstainlesssteel.com/

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