Multipurpose AL · 6xxx
Aluminum 6061
Aluminum 6061 is a multipurpose aluminum — the go-to general purpose, versatile. Typical values: 275 MPa yield, 2.7 g/cm³, rated to 150 °C. Available for CNC machining, Sheet metal at FabDigit.
Properties
Typical room-temperature values in the T6 (solution heat treated, artificially aged) condition. Metric first, imperial in gray. The bars show where 6061 sits against the other 163 aluminum grades in the catalog.
Datasheet
| Yield strength | 275 MPa40 ksi |
|---|---|
| Tensile strength | 310 MPa45 ksi |
| Hardness | 95 HB |
| Density | 2.7 g/cm³0.098 lb/in³ |
| Specific strength (yield ÷ density) | 102 |
| Min service temp | -200 °C-328 °F |
| Max service temp | 150 °C302 °F |
| Electrical conductivity | 43 % IACS24.9 MS/m |
| Machinability | Very good75 / 100 |
| Weldability | Very good75 / 100 |
| Formability | Fair50 / 100 |
| ISO 513 machining group | N |
Values are nominal handbook figures for design screening. Certified mill or lot data ships with every FabDigit order on request.
Against other aluminum grades
Strength versus weight in the aluminum family
Yield strength against density for every aluminum grade FabDigit runs. 6061 is highlighted; hover a dot for its name, or open the interactive family chart.
Manufacturability
The process limits FabDigit's quote engine applies to 6061. Design inside these and the part quotes instantly; outside them it routes to an engineer.
CNC machining
| Machinability | Better75 / 100 |
|---|---|
| ISO material group | N.1 |
| Cutting speed (rough / finish) | 350 / 420 m/min |
| Minimum wall | 0.5 mm |
| Minimum internal radius | 1 mm |
| Drill depth limit | 8× diameter |
| Best surface (machined / polished) | Ra 0.8 / 0.4 µm |
| Hardenable after machining | No |
Sheet metal
| Formability | Good50 / 100 |
|---|---|
| Weldability | Better75 / 100 |
Conditions and tempers
How 6061 is supplied and what each state is for. The default is what FabDigit quotes unless your drawing says otherwise.
| Condition | Best for | Yield MPa | Tensile MPa | Elong. % | Hardness |
|---|---|---|---|---|---|
T6Default Solution heat treated, artificially aged (T6) | Heavy load-bearing frames, high-stress parts, precision components | 276 | 310 | 12 | 95 HB |
Stress Relieved Heat Treat State | Holds tight flatness/tolerance through heavy machining | — | — | — | — |
O Annealed (O) | Softest — parts you will bend or deep-form; not for carrying load | 55 | 124 | 25 | 30 HB |
F As fabricated (F) | No guaranteed properties — spacers, jigs, parts where strength is irrelevant | — | — | — | — |
T0 Annealed (T0) | Fully annealed — maximum bending/forming, lowest strength | 55 | 124 | 25 | 30 HB |
T4 Solution heat treated, naturally aged (T4) | Medium strength, still bendable — parts formed after machining, rivets | 145 | 241 | 22 | 65 HB |
T651 T6 + stress relieved (T651) | T6 strength in plate, stress relieved — thick parts machined without warp | 276 | 310 | 12 | 95 HB |
T42 Solution heat treated, naturally aged - user demonstrated (T42) | Re-heat-treated stock — repairs and rework, near-T4 strength | 130 | 230 | 22 | 62 HB |
T6511 Solution heat treated, artificially aged, stress-relieved (T6511) | T6 strength in extruded bar — shafts and blocks machined from stock | 276 | 310 | 10 | 95 HB |
T5 Cooled from hot working, artificially aged (T5) | Moderate-stress extrusions — trims, frames, architectural profiles | 241 | 262 | 10 | 90 HB |
T51 Artificially aged only (T51) | Lightly loaded extrusions/castings that must stay dimensionally stable | 240 | 260 | 10 | 90 HB |
T451 Solution heat treated, stress relieved (T451) | T4 + stress relief — plate machined flat without warping, medium loads | 145 | 241 | 22 | 65 HB |
Heat treatment and post-processing
Operations FabDigit's suppliers routinely run on 6061, ranked by how often they make sense for this grade.
Heat treatment
| Age T6 (Aluminum) | Solution + artificial age to peak strength |
|---|---|
| Age T651 (Aluminum) | T6 + stress relief stretch (plate) |
| Full Anneal | Restore ductility; relieve residual stress; coarsen grain |
| Stress Relief | Reduce residual stress without changing structure |
| Age T73 (Aluminum) | Over-age 7000 for SCC resistance |
Post-processing
| Manual Deburr | Deburrstandard |
|---|---|
| Edge Break (0.5mm) | Deburr |
| Glass Bead Blast | Blast |
| Laser Mark | Marking |
| Sand Blast | Blast |
| Vibratory Tumble | Tumble |
| CMM Inspection | Inspection |
| Masking | Masking |
| Tap After Finish | Finish Fix |
| FAI Report | Inspection |
Surface finishes for 6061
Coatings and treatments compatible with aluminum on the processes 6061 runs on. Pick them in the quote configurator or call them out on the drawing.
Passivation
- Electropolishing
Conversion Coating
- Anodizing Type II
- Chem Film (Alodine)
- Hard Anodize Type III w/ PTFE
- Hard Anodizing Type III
Plating
- Electroless Nickel (EN)
- Gold Plating
- Nickel Plating
- Silver Plating
Organic Coating
- Cerakote
- E-Coating
- Epoxy Coating
- Painting
- Powder Coating
- PTFE Coating
PVD Coating
- DLC
Marking / Decoration
- Chemical Etching
- Dot Peen Marking
- Electro-chemical Etching
- Embossing / Debossing
- Ink Stamping
- Laser Marking
- Mechanical Engraving
- Steel Stamping
- Vibro Engraving / Scribing
Equivalent designations
Standards and trade names that resolve to Aluminum 6061 in FabDigit's catalog. Equivalence is nominal — check the exact specification when certification matters.
- UNS
- A96061
- Aluminum Association
- AA6061
- EN / DIN / Werkstoff-Nr.
- AlMg1SiCuAW-60613.321165028
- BS
- H20
- ISO
- AlSi1MgCu
- GB (China)
- LD30
- JIS
- A6061A6061P
- Trade names
- A-GSUCAnticorodal
- Other
- A6061-T6tread plate 6061
Stock forms
Raw-material forms FabDigit sources 6061 in, with the common sizes held in North American stock.
- Plate thickness
- 1/4"8 mm3/8"10 mm1/2"15 mm3/4"20 mm25 mm1"30 mm1.5"2"
- Sheet thickness
- 0.5 mm0.025"0.8 mm0.032"1 mm0.040"0.050"1.5 mm0.064"2 mm0.080"0.090"2.5 mm3 mm+6
- Bar diameter
- 0.125"铝圆棒 Ø60.250"铝圆棒 Ø80.375"铝圆棒 Ø10铝圆棒 Ø120.500"铝圆棒 Ø14铝圆棒 Ø16铝圆棒 Ø180.750"铝圆棒 Ø20铝圆棒 Ø22+25
- Bar flat
- 铝扁排 10×3铝扁排 12×3铝扁排 15×3铝扁排 20×5铝扁排 25×3铝扁排 30×5铝扁排 40×4铝扁排 50×8铝扁排 60×10铝扁排 80×8铝扁排 100×10铝扁排 120×10铝扁排 150×12铝扁排 200×15+2
- Bar square
- 铝方棒 6×6铝方棒 8×8铝方棒 10×10铝方棒 12×12铝方棒 16×16铝方棒 20×20铝方棒 25×25铝方棒 30×30铝方棒 40×40铝方棒 50×50铝方棒 60×60铝方棒 80×80铝方棒 100×100铝方棒 120×120+2
- Tube od
- 圆铝管 Ø10×1.5圆铝管 Ø12×1.5圆铝管 Ø16×1.5圆铝管 Ø20×2圆铝管 Ø25×1.5圆铝管 Ø30×1.5圆铝管 Ø38×2圆铝管 Ø40×2圆铝管 Ø50×2圆铝管 Ø60×2圆铝管 Ø70×4圆铝管 Ø80×3圆铝管 Ø90×3圆铝管 Ø100×2+5
- Tube rect_tube
- 矩铝管 40×20×2矩铝管 50×30×2矩铝管 60×40×2矩铝管 80×40×2矩铝管 100×50×3矩铝管 120×60×4矩铝管 150×100×4矩铝管 200×100×8矩铝管 250×150×4矩铝管 300×200×4
- Tube sq_tube
- 方铝管 15×15×1.5方铝管 20×20×2方铝管 25×25×2方铝管 30×30×1.5方铝管 38×38×2方铝管 40×40×3方铝管 50×50×2方铝管 60×60×2方铝管 70×70×3方铝管 80×80×3方铝管 90×90×4方铝管 100×100×4方铝管 120×120×5方铝管 150×150×4+3
- Structural Shape angle
- 角铝 20×20×2角铝 25×25×2角铝 30×30×2角铝 40×40×3角铝 50×50×5角铝 60×60×4角铝 70×70×6角铝 80×50×5角铝 90×90×5角铝 100×100×5角铝 120×80×8角铝 150×150×6角铝 200×200×8角铝 250×250×10+1
- Structural Shape channel
- 槽铝 20×20×2槽铝 30×30×3槽铝 40×40×3槽铝 50×30×3槽铝 60×30×4槽铝 80×40×4槽铝 100×50×5槽铝 120×60×6槽铝 150×75×8槽铝 200×80×8槽铝 250×90×10槽铝 300×100×12
Property data is compiled from published supplier and standards handbooks and normalised for comparison; hardness values on non-Brinell scales are converted approximately for charting only. Manufacturability limits are FabDigit quote-engine defaults and may be relaxed by engineering review. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.