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6061 Aluminum Sheet and Plate

6061 Aluminum Sheet and Plate

Aerospace-grade Al-Mg-Si alloy renowned for excellent strength-to-weight ratio (tensile ≥240 MPa) and corrosion resistance. Ideal for marine structures, aerospace components, and precision machinery. Features customizable dimensions (0.2-250mm thickness) and specialized tempers like T6 for optimal performance in demanding environments.

Alloy Series:
6000 Series (Al-Mg-Si)
Temper Options:
O, T4, T6, T651
Thickness Range:
0.2-250mm
Width Range:
900-2650mm
Max Length:
6000mm
Key Standards:
ASTM B209, AMS 4027, EN 485-2

What is 6061 Aluminum Sheet and Plate?

Aerospace-grade Al-Mg-Si alloy renowned for excellent strength-to-weight ratio, corrosion resistance, and versatility across multiple industries.

6061 is a widely used aerospace-grade wrought aluminum alloy belonging to the Al-Mg-Si series with magnesium and silicon as primary alloying elements. Known as the "all-purpose aluminum alloy", it offers excellent comprehensive properties, workability, and cost-effectiveness for applications in aerospace, marine, electronics, and structural fields.

Specifications

Complete dimensional ranges, multi-temper options, surface treatments, and aerospace certifications for versatile 6061 aluminum alloy.

specifications background

Available Dimensions

0.2-250
Thickness Range (mm)
900-2650
Width Range (mm)
≤6000
Max Length (mm)

Available Tempers

O (Annealed)T4T6T651

Surface Treatments

Mill Finish
Anodized
Polished
Brushed
Sand Blast
Embossed
Etching
Laminated Film
Bright

Compliance Standards

ASTM B209AMS 4027DIN EN 485-2GB/T 3190AMS-QQ-A-250/11AMS 4025

Quality Certifications

ISO 9001AS9100NadcapTS16949

6061 Temper Comparison

Key temper states and their properties for aerospace and marine grade aluminum applications.

T6/T651
Artificially Aged

Cost-effective & versatile solution

Tensile Strength≥240 MPa
Yield Strength207-276 MPa
Elongation12%
Brinell Hardness95 HB
Shear Strength207 MPa

Core Applications

Aircraft skins & wing ribs
Precision machinery components
Anodized surfaces (ASTM B209)
T4
Stress-Relieved

Enhanced machining stability

Tensile Strength130-230 MPa
Yield Strength145 MPa
Elongation12%
Brinell Hardness63 HB
Shear Strength170 MPa

Precision Applications

Semiconductor equipment brackets
Optical platforms & instrument bases
Thick plate engineering projects (≥0.24")
O
Annealed State

Maximum formability solution

Tensile Strength76-130 MPa
Yield Strength55 MPa
Elongation20%
Brinell Hardness33 HB
Shear Strength84 MPa

Forming Applications

Deep-drawn containers (>30% deformation)
Complex curved surface forming
Subsequent quenching preparation

6061 Aluminum Selection Guide

O Temper: For complex forming/deep drawing requiring maximum ductility (20% elongation)

T4 Temper: For structural components needing balanced formability and moderate strength

T6 Temper: General-purpose solution for high-strength applications with good machinability

T651 Temper: For precision machining of thick plates (≥0.24") requiring stress-relieved stability

6061 vs. Similar Alloys

Comparative analysis of aerospace-grade 6061 aluminum against similar alloys

6061 vs. Similar Alloys Comparison

6061 vs 6063 Aluminum Alloy

Property60616063
Alloy Series6xxx (Al-Mg-Si)6xxx (Al-Mg-Si)
Typical TemperT6/T651T5/T6
Tensile Strength≥240 MPa~190 MPa
Elongation12%15%
Corrosion ResistanceExcellentExcellent
MachinabilityEasy to machine/weldExcellent extrusion
CostLowLow
Core ApplicationsStructural parts, marine, electronicsArchitectural profiles, decoration

Selection Guidelines

Choose 6061: When balancing strength and cost for structural applications

Choose 6063: For high surface quality extrusion in architectural profiles

Chemical Composition & Properties

Al-Mg-Si alloy with balanced composition, engineered for aerospace and structural applications

Chemical Composition (wt%)

ElementContent (%)Role
Si (Silicon)0.4-0.8Forms strengthening phase Mg₂Si
Mg (Magnesium)0.8-1.2Enhances strength and corrosion resistance
Cu (Copper)0.15-0.40Improves age-hardening effect
Cr (Chromium)0.04-0.35Inhibits intergranular corrosion
Fe (Iron)≤0.7Impurity (reduces plasticity)
Mn (Manganese)≤0.15Impurity control limit
Zn (Zinc)≤0.25Impurity control limit
Ti (Titanium)≤0.15Grain refinement
Al (Aluminum)BalanceMatrix

Key Note: Balanced Mg and Si content forms Mg₂Si strengthening phase, providing optimal strength and corrosion resistance.

Natural Protection

Mg-rich oxide film provides excellent corrosion resistance, outperforming most steels in various environments.

Enhanced Protection

Anodizing treatment improves corrosion resistance 10x, making it ideal for marine applications.

Element Protection

Chromium (Cr) content effectively inhibits intergranular corrosion in harsh environments.

Precision Processing Solutions

Optimized capabilities for aerospace-grade 6061 aluminum with superior strength-to-weight ratio

precision processing

Machining Guidelines

Material State Advantage

T651 condition reduces machining deformation by 80% vs T6 (ASTM B209 stress-relief specification)

Tooling Parameters

Cutting Speed:120-240 m/min (HSS tools)
Recommended Tools:Carbide end mills for precision stability

Precision Advantage

Super-flat plate flatness ≤0.1mm/m² (German CVC mill standard)

Ideal for optical platforms & measurement instruments

Nadcap-certified machining processes

6061 Aluminum Sheet in Stock

Comprehensive inventory of aerospace-grade 6061 aluminum sheets and plates in various tempers, thicknesses, and dimensions

DescriptionStandardTemperThickness (IN)Width (IN)Length (IN)
0.03"t 6061-T6 Aluminum SheetASTM B209, AMS 4027T60.0348-96120-236
0.04"t 6061-T6 Aluminum SheetASTM B209, AMS 4027T60.0448-96120-236
0.08"t 6061-T6 Aluminum SheetASTM B209, AMS 4027T60.0848-96120-236
0.125"t 6061-T6 Aluminum SheetASTM B209, AMS 4027T60.12548-96120-236
0.16"t 6061-T6 Aluminum SheetASTM B209, AMS 4027T60.1648-96120-236
0.31"t 6061-T6 Aluminum PlateASTM B209, AMS 4027T60.3136-104120-236
0.31"t 6061-T651 Aluminum PlateASTM B209, AMS 4027T6510.3136-104120-236
0.5"t 6061-T651 Aluminum PlateASTM B209, AMS 4027T6510.5036-104120-236
1.0"t 6061-T651 Aluminum PlateASTM B209, AMS 4027T6511.0036-104120-236
1.77"t 6061-T651 Aluminum PlateASTM B209, AMS 4027T6511.7736-104120-236
2"t 6061-T651 Aluminum PlateASTM B209, AMS 4027T6512.0036-104120-236
3"t 6061-T651 Aluminum PlateASTM B209, AMS 4027T6513.0036-104120-236
5.5"t 6061-T651 Aluminum PlateASTM B209, AMS 4027T6515.5036-104120-236
11"t 6061-T6 Aluminum PlateASTM B209, AMS 4027T611.0036-104120-236

Custom Sizes

Precision cutting of aerospace-grade 6061 sheets to meet exact project specifications.

Quality Certified

AS9100 & Nadcap certified 6061 materials with full traceability and test reports.

Precision Ready

Super-flat plates with ≤0.1mm/m² flatness for high-precision applications.

6061 Aluminum Applications

Six key application fields for aerospace-grade 6061 aluminum

Why Partner With Us?

Aerospace-grade aluminum solutions with precision processing and rigorous quality control.

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Industry Certifications

  • Aerospace Standard: AS9100 compliant production
  • Automotive Standard: TS16949 certified
  • Nadcap Accredited: Materials testing certification
  • Material Standards: ASTM B209, AMS 4027, DIN EN 485-2

6061 Aluminum FAQ

Expert answers to common questions about 6061 aluminum specifications, applications, and performance characteristics

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