Alloy selection & profile sourcing

6061 Aluminum Extrusion

Source 6061 aluminum extrusion to your specification. Send APW your drawing, temper and quantity to start a sourcing review.

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Silver equal-leg aluminum angles with visible L-shaped cross-sections on a dark surface
Material selection

What makes 6061 a candidate for your part?

6061 aluminum extrusion combines a heat-treatable magnesium-silicon alloy with a defined cross-section. Its usefulness depends on the temper, geometry and fabrication sequence, rather than the alloy number alone.

Heat-treatable alloy

6061 belongs to the 6xxx family. Heat treatment and aging affect its properties, so specify the full alloy-temper designation.

Strength with context

Use properties for the relevant product form, temper and section thickness. Material strength alone does not define a member's load capacity.

Machining requirements

Identify machined faces, holes and remaining wall thickness before selecting the starting section and machining allowance.

Exposure and appearance

Define the service environment and visible surfaces. Corrosion resistance does not remove the need to assess finish and contact with dissimilar metals.

A complete specification

Connect the drawing, applicable standard, inspection requirements and material documentation to the same order revision.

Specify the section

Choose the alloy, temper and geometry together

A useful 6061 aluminum extrusion specification describes the finished part and the operations needed to get there. Resolve these decisions before comparing quotations.

Start with function and interfaces

Describe the application, mating parts and exposure. Mark datum faces and fit-critical dimensions, and identify whether each requirement applies before machining or after finishing.

Define the cross-section

Provide the drawing revision, units, wall thicknesses, radii, length and straightness requirements. Separate the starting section from the finished part; confirm the manufacturing route and any custom tooling needs.

Select the delivery temper

State T6, T6511 or another specified condition explicitly. Discuss machining, bending and welding before agreeing the condition in which material will be supplied.

Agree the acceptance basis

Name the applicable standard and edition, the delivery stage for inspection, and the dimensions and records to check. Match these requirements to the same drawing revision used for the quote.

T6 and T6511: what changes in the requirement?

For a 6061 aluminum extrusion inquiry, distinguish the heat-treatment designation from any additional stress-relief requirement.

Temper descriptions are material-selection references. The agreed product specification and order determine acceptance; this table does not establish supplied properties or availability.

T6 and T6511: what changes in the requirement?
Decision6061-T66061-T6511What to confirm
Basic treatmentSolution heat-treated and artificially agedSolution heat-treated and artificially aged, with stress relief by stretchingSpecify the full temper on the drawing and order.
MachiningReview material condition and machining sequenceStretch stress relief can be relevant when controlling machining distortionAgree allowances and finished dimensional checks; neither designation guarantees a distortion-free part.
SubstitutionA specified delivery conditionA separately specified delivery conditionObtain approval before changing the temper; do not treat the suffixes as interchangeable.
Mechanical acceptanceDepends on the applicable product specificationDepends on the applicable product specificationCheck product form, thickness, standard edition and requested test documentation.

6061 vs 6063: compare the priorities

Consider 6061 aluminum extrusion where strength and fabrication requirements lead the selection. Review 6063 when extrusion detail or cosmetic finishing carries greater weight.

Qualitative selection guidance, not a declaration of equivalent performance. Temper, geometry, processing and finish affect the outcome; changing alloy requires project approval.

6061 vs 6063: compare the priorities
Priority60616063Buying decision
StrengthOften selected for higher-strength requirementsOften selected where moderate strength meets the requirementCompare the actual tempers and applicable specifications, rather than alloy numbers alone.
Section complexityGeometry and quenching requirements need reviewGenerally offers greater extrudabilityAsk for a review of walls, detail, radii and section consistency.
MachiningT6 and T6511 are used for machined componentsSuitability depends on the part and material conditionDefine the machining operations and finished tolerances.
Anodized appearanceCan be anodized; cosmetic results need assessmentWorth considering when cosmetic appearance is criticalAgree the finish specification and representative appearance sample.

Which stage does your dimensional requirement apply to?

For a 6061 aluminum extrusion part, distinguish starting-section requirements from finished dimensions. Mark the inspection stage beside each critical feature so the quote and receiving check use the same basis.

This is a drawing-review checklist. It does not assign numerical tolerances or establish a supplier's dimensional capability; agree those requirements for the selected section and processing scope.

Which stage does your dimensional requirement apply to?
StageDimensions to identifyWhat the drawing should stateAcceptance basis
Extruded sectionCross-section, wall thickness, supplied length and straightnessUnits, drawing revision, relevant extrusion requirements and any machining allowance to agreeMeasure the supplied section against the agreed order and applicable dimensional requirements.
Machined partFinished length, hole locations, slots and machined mating facesDatum references, critical tolerances, machining locations and the condition in which inspection is requiredCheck the finished features from the stated datums using the agreed measurement method.
Fit after surface treatmentMating widths, clearances, holes and masked surfaces affected by finishingWhether each fit dimension applies after finishing, plus masking and appearance requirementsCheck the agreed final dimensions and appearance after the specified treatment.
Fabrication planning

Plan the operations after extrusion

For 6061 aluminum extrusion, the required delivery condition should reflect subsequent fabrication. Include these operations in the inquiry rather than adding them after material selection.

Machining

Locate threads, bores and slots from named datums. Specify finished dimensions separately from the starting section, and agree allowances and inspection after material removal.

Bending

Provide the bend radius, direction and finished geometry. T6 is not a universal forming condition; more severe bends may need a softer condition and a reviewed treatment sequence.

Welding

6061 can be welded, but welding can reduce strength in the T6 weld region. Identify joints and the required finished condition so the assembly requirements can be reviewed.

Surface treatment

State the finish, visible faces and masking needs. Identify mating dimensions to check after treatment, and agree an appearance reference separately from dimensional acceptance.

Application requirements

Connect the section to its intended use

These application questions help define a 6061 aluminum extrusion requirement. They are starting points for specification, rather than approved designs or customer project claims.

Machinery components

Define support geometry, attachment points and mating dimensions. Identify surfaces that need machining rather than relying on the raw section.

Machined fixtures

Mark locating faces, datum references and threaded holes. State the finished tolerances so starting dimensions and machining allowances can be assessed.

Equipment assemblies

Provide mounting interfaces and joint details. Separate raw-length requirements from the cutting, machining and finishing needed for the assembled part.

Transport components

Identify joining operations, exposure and project-specific inspection requirements. A material choice alone does not qualify a transport assembly.

Recreation equipment

Describe any bends, welded connections and visible faces. Agree the delivery condition with the fabrication sequence and intended finish.

Consumer durable parts

Define exposed surfaces, touch points and appearance acceptance. Include masking and finished-fit requirements where a coating meets another component.

Before requesting prices

Avoid gaps that make quotes hard to compare

Keep each 6061 aluminum extrusion quotation tied to the same drawing and acceptance requirements.

Specifying only the alloy

An inquiry for 6061 without temper, section and length leaves important decisions open.

Include the full designation and drawing revision.

Assuming every bar has the same production route

Extruded and further-processed bar can have different requirements. A round, square or hexagonal section does not establish the manufacturing route.

Confirm product form and applicable standard with the selected reference.

Comparing different delivery scopes

A raw length and a finished, machined part are different purchasing requirements.

Align cutting, machining, finish, inspection, packing and delivery terms before comparing totals.

Prepare your inquiry

Build a reviewable RFQ

Send the known 6061 aluminum extrusion requirements and identify open decisions. Clear inputs help separate material selection from the details still needing agreement.

  • Drawing or catalog reference, revision and measurement units.
  • Cross-section dimensions, wall thickness, radii, datum references and critical mating features.
  • Required alloy and delivery temper, including any permitted alternatives.
  • Cut length, quantity and dimensional, straightness or twist requirements, with the inspection stage identified.
  • Machining, bending, welding and the required condition after processing.
  • Finish, visible faces, masking, appearance acceptance and any fit dimensions specified after treatment.
  • Applicable standard and edition, inspection and material documentation.
  • Destination, requested delivery basis, packing and identification requirements.

Drawing review: an equal-angle RFQ example

This 6061 aluminum extrusion example starts with a buyer's section and quantity, then identifies the drawing details still needed for review. The dimensions describe an example request, not a confirmed catalog size.

Drawing and section
Equal-leg angle, 40 × 40 × 4 mm; buyer drawing revision A; dimensions in millimetresBuyer specified
Material
6061-T6 requested; any alternative requires buyer approvalBuyer specified
Quantity and length
200 pieces, each 500 mm longBuyer specified
Manufacturing route
Confirm extrusion as the required starting route and whether the section needs custom toolingTo be agreed
Datums and fit
Buyer to identify datum faces, mating surfaces, critical tolerances and whether the 500 mm length is a cut or finished dimensionTo be agreed
Machining locations
Buyer to mark any holes, slots or machined faces with positions, thread details and finished dimensionsTo be agreed
Finish and final fit
Confirm treatment, visible and masked faces, appearance reference and dimensions to check after finishingTo be agreed
Acceptance and records
Agree the applicable standard and edition, inspection stage, critical-feature checks and material or inspection recordsTo be agreed
Delivery
Buyer to provide destination, packing needs and requested delivery basisTo be agreed

Compare what each quote actually includes

Use these two hypothetical 6061 aluminum extrusion purchasing scopes to check inclusions and exclusions. Carry the same drawing revision, material designation and quantity into each quote request.

Compare what each quote actually includes
Comparison itemCut-to-length materialPart processed to drawing
Material and temperSpecified alloy and delivery temperSpecified alloy and required condition after agreed processing
Length and dimensionsSection and cut length as ordered; machining allowance to agreeFinished length and critical dimensions from the agreed drawing and datums
Holes, slots and machined facesNot included in this example scopeIncluded only where identified in the agreed machining scope
Surface treatmentNo additional surface treatment specified in this exampleTreatment, masking and appearance requirements as agreed
Inspection and recordsAgreed material records and checks for the supplied sectionAgreed material records plus inspection of specified finished features
Packing and identificationProtection and labels for the ordered lengthsProtection for finished faces and features, with part and batch identification as agreed
Delivery scopeState destination and delivery basis separatelyState destination and delivery basis separately; confirm which processing and packing costs are included

These are purchasing examples, not priced offers or confirmed APW processing packages. Agree the operations, documents, inspection stage and exclusions before comparing totals.

From dispatch to receiving

Packing, Identification and Receiving Checks

Agree how the 6061 aluminum extrusion order will be protected, identified and checked. Use the order, drawing revision and delivery stage as the receiving reference.

01

Agree protection and labels

Before dispatch, define separation and protection for visible faces, ends and machined features. Agree labels that connect packages to the order and parts.

02

Reconcile the delivery

At receipt, compare package labels, part references, quantities and drawing revision with the order. Record any missing or mismatched identification.

03

Measure the agreed features

Check critical dimensions at the specified delivery stage. Use the agreed datums and measurement method; raw-section checks do not replace finished-part checks.

04

Inspect surfaces and records

Look for damage, burrs and appearance differences, and match requested material or inspection records to the identified batch. Visual checks alone cannot establish alloy, temper or strength.

05

Document any discrepancy

Record the affected quantity, package or batch reference, photos and measured results. Compare the issue with the agreed requirement and send the details for resolution.

Technical sources

Check the material references

Use these sources to understand alloy and temper choices, then connect the relevant requirements to your drawing and order.

Buyer questions

6061 aluminum extrusion questions

Resolve material and specification questions before submitting the final purchasing requirement.

6061 aluminum extrusion is a profile produced by pressing heated 6061 alloy through a die to create a cross-section. The alloy is heat treatable; the specified temper and subsequent processing affect the finished material's properties.

Start a sourcing review

Turn your 6061 requirement into an inquiry

Define the section, temper and inspection stage for your 6061 aluminum extrusion RFQ. Share the drawing, quantity and destination with the processing, packing and acceptance requirements so the quotation and receiving checks use the same scope.

Specification requirements reviewedQuantity and delivery assessed per projectDrawings and documents by emailInspection requirements confirmed per project
Add optional contact details

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After submitting, email drawings and open specification questions from the same address to sales@aluprofileworks.com

Your details are used only to prepare this inquiry. Drawings can be shared by email after contact.

Specification requirements reviewedQuantity and delivery assessed per projectDrawings and documents by emailInspection requirements confirmed per project