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HE30 Aluminium

HE30 Aluminium is a heat-treatable aluminium–magnesium–silicon–manganese alloy valued for its high strength, good corrosion resistance, weldability and machinability. It is widely used for structural components, precision-machined parts, transportation equipment, marine structures, bridges, cranes, trusses and general engineering applications.

HE30 is an older British designation commonly cross-referenced with Aluminium 6082, EN AW-6082, AA 6082 and UNS A96082. In older British specifications, HE30 was principally associated with extruded bars, tubes and sections, while HP30 and HS30 were used for plate and sheet forms. Buyers should therefore confirm the required product form, standard and temper rather than ordering only by the HE30 name.

Solitaire Steel & Engineering LLP, based in Khetwadi, Mumbai, India, supplies and exports HE30 aluminium sheets, plates, pipes, tubes, coils, round bars, flat bars and other required forms. Material can be supplied in applicable tempers, standards, dimensions and finishes according to the buyer’s drawing, application and quantity.

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Technical Specifications of HE30 Aluminium

Physical Properties

Property Typical Value
Density Approximately 2.70 g/cm³
Melting Range Approximately 555°C–650°C
Modulus of Elasticity Approximately 70 GPa
Poisson’s Ratio Approximately 0.33
Thermal Expansion Approximately 24 × 10⁻⁶/°C
Electrical Resistivity Approximately 0.038 µΩ·m

Physical values are typical for Aluminium 6082 and may vary slightly with product form, temper and governing specification.

Mechanical Properties

Property Typical Requirement in T6/T651 Condition
Tensile Strength Approximately 275–340 MPa
0.2% Proof Strength Approximately 240–310 MPa
Elongation Approximately 6%–11%
Brinell Hardness Approximately 84–95 HB
Shear Strength Approximately 200–210 MPa
Modulus of Elasticity Approximately 70 GPa

Mechanical properties depend on thickness, diameter, wall thickness, manufacturing method and temper. Buyers should specify the minimum required values in the purchase enquiry.

Electrical Properties

Property Typical Value
Electrical Conductivity Approximately 40%–45% IACS
Electrical Resistivity Approximately 0.038 µΩ·m
Electrical Application Suitability Suitable for selected engineering components but not normally chosen as a high-conductivity grade

HE30 is generally selected for structural and mechanical performance rather than maximum electrical conductivity.

Optical Properties

Property Performance
Natural Surface Appearance Silver-grey metallic finish
Polishing Ability Good
Anodising Ability Good
Decorative Anodising Surface appearance should be trialled and approved
Protective Anodising Suitable
Available Finish Mill finish, polished, brushed, anodised or customer-specific finish

The manganese content can influence the appearance and uniformity of decorative anodising.

Thermal Properties

Property Typical Value
Thermal Conductivity Approximately 170–180 W/m·K
Specific Heat Capacity Approximately 0.90 J/g·K
Melting Range Approximately 555°C–650°C
Thermal Expansion Coefficient Approximately 24 µm/m·K

Processing Properties

Property Performance
Machinability Good, particularly in T6 and T651 tempers
Cold Formability Fair in heat-treated conditions
Hot Formability Good under controlled conditions
Weldability Good
Brazability Good with a suitable process
Corrosion Resistance Very good
Heat-Treatable Yes
Common Tempers T4, T6, T651 and T6511
Anodising Ability Good
Extrudability Good, but complex thin-wall profiles may require evaluation

Welding can reduce strength in the heat-affected zone. Where the welded assembly carries structural loads, the designer should consider the reduced post-weld mechanical properties.

Chemical Composition

Element Composition (%)
Silicon (Si) 0.70%–1.30%
Magnesium (Mg) 0.60%–1.20%
Manganese (Mn) 0.40%–1.00%
Iron (Fe) 0.50% maximum
Chromium (Cr) 0.25% maximum
Zinc (Zn) 0.20% maximum
Copper (Cu) 0.10% maximum
Titanium (Ti) 0.10% maximum
Other Elements—Each 0.05% maximum
Other Elements—Total 0.15% maximum
Aluminium (Al) Remainder

Chemical limits should be confirmed against the applicable material standard and supplied material test certificate.

HE30 Aluminium Equivalent Grades

Designation System Commonly Referenced Grade
Old British Extrusion Designation HE30
Old British Plate Designation HP30
Old British Sheet Designation HS30
Aluminium Association 6082
European Designation EN AW-6082
UNS A96082
ISO Designation AlSi1MgMn
German Material Number 3.2315
Common British Standard Reference BS 1474
Modern Extrusion Standard EN 755
Modern Rolled-Product Standard EN 485

These are commonly used cross-references. They may not be direct equivalents for every product form, temper or mechanical-property requirement.

HE30 Aluminium Product Range by Solitaire Steel & Engineering LLP

Product Applicable Standard Available Type Size Availability Common Applications
Sheets EN 485 or approved equivalent Plain, mill finish, heat-treated or cut-to-size Standard and customised dimensions Panels, vehicle components and fabricated structures
Plates EN 485 or approved equivalent T6, T651, machined or cut-to-size Standard and customised thicknesses, widths and lengths Machine plates, fixtures, structural parts and heavy engineering
Pipes Applicable pipe specification Seamless, extruded or fabricated as required Required OD, wall thickness and length Structural pipework, marine assemblies and transportation equipment
Tubes EN 755, EN 754 or approved equivalent Extruded, drawn or seamless Required OD, wall thickness and length Frames, machinery, railways and precision assemblies
Coils Applicable sheet and strip specification Mill finish, slit or heat-treated Required thickness, width and coil quantity Formed components and general fabrication
Wire Coils Applicable wire specification Straightened or coil form Required diameter and coil quantity Fasteners and specialised engineering components
Round Bars EN 755, EN 754 or approved equivalent Extruded, drawn or heat-treated Standard and customised diameters and lengths Shafts, pins, machine parts and precision components
Flat Bars EN 755 or approved equivalent Extruded, rolled or cut from plate Required width, thickness and length Supports, frames and machined components
Square and Hex Bars EN 755 or approved equivalent Extruded or drawn Required across-flat size and length Fasteners, machined parts and engineering components
Angles and Channels EN 755 or approved equivalent Equal, unequal, U-channel or customised profile Standard and customised sections Structural frameworks, platforms and equipment supports
Custom Profiles As per approved drawing Solid, hollow or customer-specific extrusion As per drawing and order quantity OEM structures and specialised assemblies

Product availability depends on the required grade, temper, standard, dimensions, quantity and inspection requirements.

Applications of HE30 Aluminium

  • Structural Engineering: Used for beams, frames, trusses, platforms and load-bearing structures requiring a favourable strength-to-weight ratio.
  • Transportation Equipment: Suitable for truck bodies, trailers, rail coaches, vehicle frames and other lightweight transport structures.
  • Marine Structures: Used for selected decks, gangways, platforms and marine components where good strength and corrosion resistance are required.
  • Bridges and Walkways: Used for bridge components, access structures, stairs, handrails and pedestrian walkways.
  • Cranes and Lifting Equipment: Suitable for selected structural members, platforms and fabricated equipment components.
  • Machined Components: Frequently used for jigs, fixtures, base plates, machine components, shafts and precision-engineered parts.
  • Industrial Automation: Used for machine frames, supports, mounting plates, robotic structures and automation assemblies.
  • Construction Equipment: Suitable for scaffolding, ladders, access systems and modular structural components.
  • General Fabrication: Used for welded frames, supports, brackets and assemblies requiring good strength and corrosion resistance.
  • Defence and Aerospace Support Equipment: Used for selected ground-support structures, fixtures and engineered components subject to approved specifications.

When Should a Buyer Select HE30 Aluminium?

HE30 aluminium is suitable when the requirement combines:

  • Higher strength than general-purpose 6063 aluminium
  • Good machinability
  • Good corrosion resistance
  • Good weldability
  • Reduced component weight
  • Suitability for structural sections and machined plates
  • Availability in T6, T651 or T6511 condition

HE30 is often considered for structural and machining applications where 6063 may not provide sufficient strength. However, buyers should not assume that HE30 and 6061 are interchangeable without checking strength, dimensions, corrosion exposure, fabrication method and governing specification.

Important Buyer Check: HE30 or 6082?

When an older drawing mentions HE30, the buyer should confirm:

  • Whether the requirement is for a bar, tube, section, sheet or plate
  • Which British Standard edition is referenced
  • Whether EN AW-6082 is accepted as the replacement designation
  • Whether the required temper is T4, T6, T651 or T6511
  • Required minimum tensile and proof strength
  • Whether welding is involved
  • Whether anodising or another surface treatment is required
  • Whether dimensional tolerances follow an older BS or current EN specification

This verification reduces the risk of supplying the correct alloy family in the wrong temper or product specification.

Information Required for an HE30 Aluminium Quotation

For an accurate technical and commercial quotation, please provide:

  • Required product form
  • HE30, HP30, HS30 or 6082 designation
  • Applicable BS, EN, ASTM, ISO or customer specification
  • Required temper
  • Thickness, width, length, diameter or wall thickness
  • Required mechanical properties
  • Dimensional tolerances
  • Surface finish or anodising requirement
  • Cutting, machining or fabrication requirement
  • Drawing, where applicable
  • Quantity or total weight
  • Material test certificate requirement
  • Third-party inspection requirement
  • Delivery location
  • Required delivery schedule

For a quotation for HE30 aluminium sheets, plates, pipes, tubes, coils, round bars, flat bars, angles, channels or customised profiles, contact Solitaire Steel & Engineering LLP. Our team will review the required grade, standard, temper, dimensions, application and quantity before confirming availability and pricing.

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For a free quote or to learn more about our range of Aluminium Sheets and Plates, Contact Solitaire Steel & Engineering LLP today. Our team is ready to assist with tailored solutions for all your industrial needs.

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