Industry Overview
Aluminum is the most abundant metallic element in the Earth's crust, although it does not naturally occur in its pure form. It is primarily extracted from bauxite ore, and the commercial production of aluminum became economically viable after the development of an efficient extraction process in 1888. During processing, mined bauxite is crushed, washed to remove impurities such as clay and silica, kiln-dried, and treated with soda ash and lime before being refined into alumina. The alumina is then smelted and alloyed with elements such as copper, magnesium, silicon, and manganese to achieve the required material properties.
Aluminium extrusion is a manufacturing process in which heated aluminium alloy billets are forced through a specially designed die to produce components with a uniform cross-sectional profile. The process is widely used to manufacture rods, bars, tubes, and complex structural sections for applications across construction, automotive, aerospace, electrical, and consumer goods industries. Aluminium extrusions combine lightweight characteristics with high strength, corrosion resistance, and design flexibility, making them suitable for both structural and decorative applications.
Extrusion is a plastic deformation process that subjects the billet primarily to compressive forces, reducing the likelihood of cracking while effectively refining the cast structure. Depending on the alloy and production requirements, extrusion may be performed using hot, warm, or cold processes. In hot extrusion, billets are preheated to improve plastic deformation and facilitate the production of intricate profiles with consistent mechanical properties and dimensional accuracy.
Cost Estimation
| Particular | Value |
|---|---|
| Plant Capacity | 15MT/Day |
| Land & Building (10000 sq.mt.) | Rs. 6.05 Cr |
| Plant & Machinery | Rs. 10.46 Cr |
| Working Capital for 2 Month | Rs. 14.58 Cr |
| Total Capital Investment | Rs. 31.64 Cr |
| Rate of Return | 69% |
| Break Even Point | 29% |
Content Index
- INTRODUCTION
- FACTORS AFFECTING EXTRUSION
- ADVANTAGES OF THE EXTRUSION PROCESS:
- ALUMINUM EXTRUSION FEATURES & BENEFITS
- INDIRECT ALUMINIUM EXTRUSION PROCESS
- FACTOR AFFECTING THE ALUMINIUM EXTRUSION PROCESS
- TYPES OF EXTRUDED PROFILES
- CLASSIFICATION OF ALUMINIUM EXTRUSION
- (A) DIRECT (FORWARD) EXTRUSION
- (B) INDIRECT (BACKWARD) EXTRUSION
- (C) HOT EXTRUSION
- (D) COLD EXTRUSION AND WARM EXTRUSION
- PROPERTIES
- PROPERTIES OF ALUMINIUM
- WEIGHT
- STRENGTH
- LINEAR EXPANSION
- MACHINING
- FORMABILITY
- CONDUCTIVITY
- JOINING
- REFLECTIVITY
- SCREENING EMC
- CORROSION RESISTANCE
- NON-MAGNETIC MATERIAL
- ZERO TOXICITY
- USES AND APPLICATION
- USES
- APPLICATION
- B.I.S. SPECIFICATION
- ALUMINUM EXTRUSION VS ROLL FORMED STEEL, COPPER EXTRUSIONS
- ALUMINUM EXTRUSION VS MOLDED PLASTIC, WOOD, VINYL
- SEQUENCES IN ALUMINIUM PROCESS
- MANUFACTURING PROCESS OF ALUMINIUM EXTRUTION
- PROCESS IN DETAILS
- FOR ALUMINIUM BILLET
- (1) SCRAP PRETREATMENT –
- METHODS OF PRETREATMENT
- (A) COMMINUTION
- (B) CLEANING
- (I) MECHANICAL CLEANING
- (II) PYROMETALLURGICAL CLEANING
- (III) HYDROMETALLURGICAL CLEANING
- (C) SORTING
- PROCESS FLOW CHART
- FOR ALUMINIUM EXTRUSION
- FOR ALUMINIUM BILLET
- METHODS OF SORTING
- (I) MAGNETIC SEPARATION
- (II) AIR SEPARATOR
- (III) EDDY CURRENT
- (IV) DENSE MEDIA SEPARATOR
- (V) HAND SORTING
- (VI) HOT CRUSH
- (VII) INNOVATIVE SORTING SOLUTIONS
- (D) DECOATING
- (2) CHARGING AND FLUXING
- (A) COVER FLUXES
- (B) DROSSING FLUXES
- (C) CLEANING FLUXES
- (D) WALL CLEANING FLUXES
- (E) DEGASSING FLUXES
- (F) GRAIN REFINERS
- (G) SILICON MODIFIERS
- (H) DEMAGGING FLUXES
- (3) MELTING PROCESS
- TEMPERATURE CONTROL
- SKIMMING
- ALLOYING
- (4) DEGASSING (MELT TREATMENT)
- (5) INGOT CASTING
- (6) QUALITY CONTROL
- (5) EMISSIONS AND CONTROLS
- ENVIRONMENT MANAGEMENT
- ALUMINIUM EXTRUSION PROCESSING
- DESCRIPTION OF PROCESS
- EXTRUSION MATERIALS INSPECTION
- DESCRIPTION OF EXTRUSION PRESS
- MARKET OVERVIEW OF ALUMINIUM EXTRUDED PRODUCTS
- MARKET OVERVIEW OF ALUMINIUM IN INDIA
- PRINCIPLES OF PLANT LAYOUT
- EXPLANATION OF TERMS USED IN THE PROJECT REPORT
- UTILITIES
- INDIAN MANUFACTURING INDUSTRY
- ALUMINIUM EXTRUSION MACHINERY MANUFACTURER
- SWOT ANALYSIS
- ORGANIZATION CHART
- IMPLEMENTATION SCHEDULE
Appendix
- 01. PLANT ECONOMICS
- 02. LAND & BUILDING
- 03. PLANT AND MACHINERY
- 04. OTHER FIXED ASSESTS
- 05. FIXED CAPITAL
- 06. RAW MATERIAL
- 07. SALARY AND WAGES
- 08. UTILITIES AND OVERHEADS
- 09. TOTAL WORKING CAPITAL
- 10. TOTAL CAPITAL INVESTMENT
- 11. COST OF PRODUCTION
- 12. TURN OVER/ANNUM
- 13. BREAK EVEN POINT
- 14. RESOURCES FOR FINANCE
- 15. INSTALMENT PAYABLE IN 5 YEARS
- 16. DEPRECIATION CHART FOR 5 YEARS
- 17. PROFIT ANALYSIS FOR 5 YEARS
- 18. PROJECTED BALANCE SHEET FOR (5 YEARS)
Frequently Asked Questions
Aluminium extrusion is a manufacturing process that forms aluminium alloy into continuous profiles with a fixed cross-section. Heated billets are forced through a precision die under high pressure, producing shapes such as bars, rods, tubes, and complex structural sections. The process delivers excellent dimensional accuracy, high strength-to-weight ratio, and design flexibility for numerous industrial applications.
Aluminium is widely used because it combines low weight with excellent strength and corrosion resistance. It is also easy to form into complex profiles while maintaining good mechanical properties. These characteristics make aluminium extrusions suitable for construction, transportation, electrical systems, aerospace components, and consumer products requiring durability and design flexibility.
Aluminium production begins with bauxite processing to obtain alumina, followed by smelting and alloying. After alloy preparation, billets are cast and later heated before extrusion. These stages ensure the material achieves the required chemical composition, mechanical properties, and consistency needed for manufacturing high-quality extruded products.
Hot extrusion is performed with preheated billets to improve metal flow and produce complex profiles efficiently. Cold extrusion is carried out at or near room temperature and is generally used where improved surface finish, dimensional accuracy, or specific material characteristics are required. The appropriate method depends on the alloy and product specifications.
Aluminium extruded products are used across construction, automotive, aerospace, electrical, transportation, machinery, and consumer goods industries. Their lightweight nature, corrosion resistance, and ability to accommodate complex cross-sectional designs make them valuable for structural, functional, and decorative applications in a wide range of engineering projects.
Quality control ensures that extruded products consistently meet dimensional, mechanical, and surface finish requirements. Inspection activities typically include material verification, dimensional checks, visual inspection, mechanical testing, and evaluation of coating or finishing quality. Effective quality control improves product reliability, customer satisfaction, and compliance with applicable standards.
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