Technical Specifications

Aluminium Alloy Selection

Comprehensive guide to wrought and foundry-grade aluminium alloys, international standards, and temper designations.

Wrought Grades

Wrought Aluminium Alloys

Select an alloy grade to view detailed chemical composition, mechanical properties, and international equivalents.

AA 6063

HE9 · IS 63400

Window & door frames, curtain walling, handrails, architectural tubes

Chemical Composition (wt %)

Silicon (Si)

0.30 – 0.70

Iron (Fe)

0.60 max

Magnesium (Mg)

0.40 – 0.90

Copper (Cu)

0.10 max

International Equivalents

IS (India) 63400
BS (UK) HE9 / 50S
AA (USA) 6063
DIN / ASM AlMgSi 0.5
JIS (Japan) A2S5

Mechanical Properties (WP/T6)

Yield Strength

0.2% Proof stress (min)

150 MPa

Ultimate Tensile Strength

UTS (min)

185 MPa

Elongation

50 mm gauge (min)

7 %

Typical Brinell Hardness: 60 HB

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IS 5052 · Temper Key

Temper Designations

Indian (IS) and AA temper codes used with mechanical property tables — strength, ductility, and service condition.

O / O

Annealed

Lowest strength, maximum ductility

M / F

As Fabricated

Typical properties only

W / T4

Solution Heat-Treated

Naturally aged

P / T5

Cooled from Hot Working

Artificially aged

WP / T6

Solution Heat-Treated

Artificially aged

Foundry Grades

Foundry-Grade Alloys

Ingot grades aligned to BS, JIS, ASTM and GB specifications for casting programmes.

LM-6 / AC4A

BS 1490 · JIS H 2211

Pressure-tight castings, marine fittings, food / dairy

LM-4 / AC2A

BS 1490 · JIS H 2211

General sand & gravity die castings — engine parts

LM-24 / AC4B

BS 1490 · JIS H 2211

Pressure die-cast components — automotive housings

ADC-12

JIS H 2118

Automotive pressure die-cast — high fluidity, low shrinkage

A380 / A413.1

ASTM B85-96

Engine blocks, gearbox housings, electrical enclosures

YL10 / YL104

GB/T 15115-1994

Chinese standard die-cast — automotive & electronics

Need Alloy Guidance?

Our engineering team supports alloy selection from concept through release. Contact us for die feasibility, project-specific datasheets, or technical consultation.