ALUMINIUM ALLOY

Aluminium Alloy 1100

Aluminium Alloy 1100 is listed in the ALUMINIUM ALLOY material family. The reference data below should be checked against the governing product specification, product form and delivery condition before selection or certification.

Alloy 1100
MATERIAL INTRODUCTION

Aluminium Alloy 1100

The reference chemistry table for Aluminium Alloy 1100 lists Aluminium (Al): 99.00% Min; Silicon + Iron (Si + Fe): 0.95% Max; Copper (Cu): 0.05 – 0.20%; Manganese (Mn): 0.05% Max. Confirm exact limits and analysis tolerances against the governing standard and product form.

The mechanical-property table for Aluminium Alloy 1100 lists Tensile Strength: 76 – 110 MPa; Yield Strength: Approx. 28 MPa; Elongation: Approx. 20 – 30 %; Hardness: Approx. 23 – 30 HB. These are reference entries; supplied condition, dimensions, test method and governing specification control the requirements, and the figures are not design allowables.

Werkstoff / EN cross-reference for Aluminium Alloy 1100: 3.0205*. This comparison does not guarantee interchangeability; confirm chemistry, product form and condition against the governing specification.

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TECHNICAL INFORMATION

Material Identification

Standard identification and material designation information for Aluminium Alloy 1100.

Material Aluminium Alloy 1100
UNS Number A91100
Werkstoff Number 3.0205*
Material Type Commercially Pure Aluminium

*Werkstoff designation should be confirmed against the applicable material standard and supplier documentation.

MATERIAL PROPERTIES

Chemical Composition

The reference chemistry table lists Aluminium (Al): 99.00% Min; Silicon + Iron (Si + Fe): 0.95% Max; Copper (Cu): 0.05 – 0.20%; Manganese (Mn): 0.05% Max. Confirm the governing standard, product analysis tolerances and product form before ordering.

Element Symbol Composition
Aluminium Al 99.00% Min
Silicon + Iron Si + Fe 0.95% Max
Copper Cu 0.05 – 0.20%
Manganese Mn 0.05% Max
Zinc Zn 0.10% Max
Other Elements (Each) — 0.05% Max
Other Elements (Total) — 0.15% Max
PERFORMANCE DATA

Mechanical Properties

The table reports Tensile Strength: 76 – 110 MPa; Yield Strength: Approx. 28 MPa; Elongation: Approx. 20 – 30 %; Hardness: Approx. 23 – 30 HB as reference data for Aluminium Alloy 1100. Actual requirements depend on condition, dimensions, test method and specification; these values are not design allowables.

Property Value (O Temper) Unit
Tensile Strength 76 – 110 MPa
Yield Strength Approx. 28 MPa
Elongation Approx. 20 – 30 %
Hardness Approx. 23 – 30 HB

Note: Values are indicative. For H12, H14, H16, H18 or other tempers, consult the applicable product standard and mill test certificate.

MATERIAL DATA

Physical Properties

Density Approx. 2.71 g/cm³
Elastic Modulus Approx. 68.9 GPa
Thermal Conductivity Approx. 222 W/m·K
Specific Heat Approx. 900 J/kg·K
Melting Range Approx. 643 – 657°C
WHY SELECT THIS MATERIAL

Material Characteristics

Aluminium Alloy 1100 combines high purity, excellent formability, good corrosion resistance and high electrical and thermal conductivity, making it suitable for a wide range of general industrial applications.

01

High Purity

Contains a minimum aluminium content of 99.0%, making it suitable for commercially pure aluminium applications.

02

Excellent Formability

High ductility allows Aluminium 1100 to be readily formed, bent, rolled and fabricated, particularly in softer tempers.

03

Corrosion Resistance

Provides good general resistance to atmospheric corrosion and many common environmental conditions.

04

High Electrical & Thermal Conductivity

High conductivity makes the alloy useful for electrical and heat-transfer applications.

Aluminium Alloy 1100 Bolting Products

INDUSTRIAL USE

Typical Applications

Aluminium Alloy 1100 is selected where high formability, corrosion resistance and electrical or thermal conductivity are important.

01

Electrical Applications

Used for selected electrical components and conductive applications requiring commercially pure aluminium.

02

Heat Exchangers

Used for heat-transfer components where good thermal conductivity and corrosion resistance are required.

03

Chemical & Food Handling

Suitable for selected chemical and food-handling equipment where aluminium's corrosion resistance is appropriate.

04

General Fabrication

Widely used for formed sheet, hollowware, lighting products, reflectors and general-purpose aluminium components.

ENGINEERING GUIDE

Engineering Considerations

Material Selection

Consider the required temper, product form, thickness and service environment when selecting Aluminium Alloy 1100.

Formability

Alloy 1100 provides excellent ductility and formability, particularly in annealed condition. Select temper according to forming and strength requirements.

Mechanical Requirements

Aluminium Alloy 1100 is not intended for high-strength applications. Verify temper-specific properties and consider higher-strength alloys where elevated mechanical strength is required.

COMMON QUESTIONS

Frequently Asked Questions

What is the Werkstoff number for Aluminium Alloy 1100?

The commonly listed Werkstoff / EN cross-reference for Aluminium Alloy 1100 is 3.0205*. Treat this as a grade comparison, not a guarantee of interchangeability. Verify chemistry, product form, condition and governing specification against the supplier certificate before substitution.

ENGINEERING SUPPORT

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