6062-T6
Solution heat-treated and artificially aged by the producer. The most common condition on drawings and in the AMS tubing specifications.
Legacy heat-treatable alloy
6062 Aluminium Sheet & Plate
6062 is a heat-treatable Al-Mg-Si-Cu alloy that is essentially 6061 with a tighter, lower chromium range. It still appears on older aircraft drawings, AMS tubing specifications, maintenance manuals and legacy mill certificates. Metline helps buyers source 6062 sheet and plate made to order, or confirm a documented, approved alternative, and ships worldwide with full traceability.
- Alloy
- 6062 (Al-Mg-Si-Cu, low Cr)
- Tempers
- T4, T6, T62
- Related specs
- AMS 4092 / 4093 (tube)
- Supply
- Made to order
What is 6062 aluminium?
6062 was registered alongside 6061 and 6063 in the early days of the four-digit system; under the older Alcoa naming it was 62S, next to 61S (6061) and 63S (6063). Chemically it is 6061 with chromium held to 0.04 – 0.14 % instead of 0.04 – 0.35 %. Everything else, including the magnesium, silicon and copper ranges, is the same.
The narrower chromium window mattered for drawn tube and extrusions. Chromium controls grain structure, but at higher levels it increases quench sensitivity, which makes it harder to reach full strength in some sections. Limiting it gave more consistent response for thin-wall hydraulic and oxygen tubing, and SAE still lists AMS 4092 and AMS 4093 for 6062-T6 tubing with a nominal 0.09 % chromium.
Today 6062 is not a routine mill grade for sheet and plate. Buyers meet it mainly on old drawings, legacy certificates, military maintenance documents and spare-part specifications. That makes sourcing a documentation exercise as much as a metallurgical one: the question is usually whether to have 6062 produced to order or to obtain written approval for a substitute.
6062 chemical composition (wt %)
Limits as historically registered with the Aluminum Association. The only difference from 6061 is the chromium range.
| Element | 6062 limits | 6061 limits (for comparison) |
|---|---|---|
| Silicon (Si) | 0.40 – 0.80 | 0.40 – 0.80 |
| Iron (Fe) | ≤ 0.70 | ≤ 0.70 |
| Copper (Cu) | 0.15 – 0.40 | 0.15 – 0.40 |
| Manganese (Mn) | ≤ 0.15 | ≤ 0.15 |
| Magnesium (Mg) | 0.80 – 1.20 | 0.80 – 1.20 |
| Chromium (Cr) | 0.04 – 0.14 | 0.04 – 0.35 |
| Zinc (Zn) | ≤ 0.25 | ≤ 0.25 |
| Titanium (Ti) | ≤ 0.15 | ≤ 0.15 |
| Others, each / total | ≤ 0.05 / ≤ 0.15 | ≤ 0.05 / ≤ 0.15 |
| Aluminium (Al) | Remainder | Remainder |
A practical consequence: a lot of 6061 whose certified chromium happens to fall between 0.04 and 0.14 % also meets the 6062 chemistry. Whether that lot can be certified as 6062 depends on the order specification and the customer's quality rules, so it must be agreed in writing, not assumed.
6062 mechanical and physical properties
Because 6062 and 6061 share their strengthening elements, their heat-treated properties are essentially the same. The figures below are typical values for comparison; guaranteed minimums come from the specification on the order and the mill certificate.
| Temper | Tensile strength | Yield strength (0.2 %) | Elongation | Note |
|---|---|---|---|---|
| O | about 125 MPa | about 55 MPa | 25 % or more | Annealed, for forming |
| T4 | about 240 MPa | about 145 MPa | about 20 % | Naturally aged |
| T6 / T62 | about 310 MPa | about 275 MPa | about 12 % | Peak-aged; T62 is aged by the user |
Some older data sheets quote lower T6 figures for 6062 (for example 38 ksi tensile). These appear to be minimums from a particular product specification rather than typical values. Always take acceptance values from the specification revision named on your drawing.
Physical properties (T6, approximate)
- Density
- 2.70 g/cm³ (0.098 lb/in³)
- Modulus of elasticity
- about 69 GPa (10,000 ksi)
- Shear modulus
- about 26 GPa (3,800 ksi)
- Poisson's ratio
- 0.33
- Coefficient of thermal expansion
- about 23.4 µm/m·°C
- Thermal conductivity
- about 167 W/m·K
6062 tempers you may see on documents
6062-T62
Solution heat-treated and artificially aged by the user (or from O / F by the producer to demonstrate response). Common in older records where parts were heat-treated after forming.
6062-T4
Solution heat-treated and naturally aged. Used where the part is formed before final ageing.
6062-O
Annealed. Maximum formability; strength is developed by full heat treatment afterwards.
T651 for plate
If plate will be heavily machined, a stretched T651 condition gives better flatness. Confirm it is acceptable when the drawing only says T6.
Tell us the document
Send the drawing note or old certificate. We confirm temper and supply condition before quoting.
How 6062 is named in different documents
| Name on the document | What it usually means |
|---|---|
| 6062 | The four-digit Aluminum Association designation |
| 62S | Pre-1954 US commercial designation for the same alloy |
| 6062-T6 / 6062-T62 | Alloy plus temper |
| AMS 4092, AMS 4093 | SAE specifications for 6062-T6 tubing (general and hydraulic) |
| 6262 | A different alloy: 6061-type chemistry with lead and bismuth for free machining |
| 6061 with low Cr | Sometimes accepted as meeting 6062 chemistry, but only with customer approval |
Trade listings sometimes attach European chemical designations or EN AW numbers to 6062. We have not found 6062 in EN 573-3, and the chemical names quoted in some listings belong to the free-machining alloy 6262. If your document gives a European designation, send it to us and we will check what material is actually meant before quoting.
6062 sheet and plate supply
Typical supply
- Form
- Sheet and plate; tube and extrusions on request
- Thickness
- Commonly 2, 3, 5 and 10 mm; other thicknesses to order
- Width
- 1000, 1250 and 1500 mm
- Length
- 2000, 2500 and 3000 mm, or cut-to-size
- Tempers
- T6 most common; T4, T62 or O to match documents
- Availability
- Not a routine stock grade; normally produced to order
- Documentation
- Mill test certificate (EN 10204 3.1), heat number and batch traceability
Weight is the same as 6061: 2.70 kg per m² per millimetre of thickness.
| Thickness (mm) | kg per m² | 1250 × 2500 mm (kg) | 1500 × 3000 mm (kg) |
|---|---|---|---|
| 1 | 2.70 | 8.4 | 12.2 |
| 2 | 5.40 | 16.9 | 24.3 |
| 3 | 8.10 | 25.3 | 36.5 |
| 4 | 10.80 | 33.8 | 48.6 |
| 5 | 13.50 | 42.2 | 60.8 |
| 6 | 16.20 | 50.6 | 72.9 |
| 8 | 21.60 | 67.5 | 97.2 |
| 10 | 27.00 | 84.4 | 121.5 |
| 12 | 32.40 | 101.3 | 145.8 |
| 16 | 43.20 | 135.0 | 194.4 |
| 20 | 54.00 | 168.8 | 243.0 |
| 25 | 67.50 | 210.9 | 303.8 |
Confirming a 6062 requirement
- Drawing reviewWe check grade, form, temper, dimensions, tolerances and any referenced specification such as AMS 4092 or a customer document.
- Record reviewIf you only have old certificates or part records, we compare them to confirm that they describe the same material and condition.
- Substitution checkIf the project permits a substitute, we set out the basis (for example 6061 with certified Cr ≤ 0.14 %), the differences and the approvals needed. Nothing is substituted without written approval.
- Testing and documentsChemistry, tensile tests and traceability are agreed for the order; third-party inspection can be arranged.
- Final confirmationBefore production we confirm temper, sizes, tolerances, surface, packing and certificate wording, so the material passes receiving inspection.
Fabrication and applications
Welding
Welds like 6061 by MIG and TIG with 4043 or 5356 filler. Heat-affected zones lose part of their T6 strength unless re-heat-treated.
Forming
Form in O or T4 and age afterwards for tight bends; T6 accepts moderate bends with radii of a few times thickness.
Machining
Good in T6, similar to 6061. For heavy machining of plate, request a stretched temper.
Corrosion
Good resistance in fresh water and marine atmospheres; anodise or paint for long-term seawater exposure.
- Aircraft maintenance: replacement parts where historical documents list 6062 for oxygen and hydraulic lines, extrusions and sheet-metal parts
- Vehicles and transport: legacy structural parts and brackets
- Profiles and frames: trusses, glazing beads, connectors and frame parts originally specified in 6062
- Precision parts: couplings, mounts and valve components made from 6062 plate or bar
6062 compared with 6061, 6082, 6262 and 5052
| Grade | Relationship | When to choose it |
|---|---|---|
| 6062 | Low-Cr 6061 variant | When drawings, certificates or AMS tubing specs name 6062 |
| 6061 | Same base chemistry, wider Cr range | New designs to ASTM or AMS; easiest to source and certify |
| 6082 | Higher Si and Mn, European structural grade | Projects following EN standards |
| 6262 | Free-machining (Pb/Bi) alloy | Turned and screw-machined parts |
| 5052 | Non-heat-treatable Al-Mg | Sheet forming, welding and seawater resistance without heat treatment |
References and standards
- SAE AMS 4092 – Aluminum Alloy Tubing 1Mg-0.6Si-0.25Cu-0.09Cr (6062-T6)
- SAE AMS 4093 – Aluminum Alloy Tubing, Hydraulic (6062-T6)
- The Aluminum Association – International Alloy Designations and Chemical Composition Limits
- ASTM B209 – Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate
- ASM Handbook Vol. 2 – Properties and Selection: Nonferrous Alloys
6062 aluminium (aluminum): frequently asked questions
Is 6062 the same as 6061?
Almost. 6062 has the same limits as 6061 for every element except chromium, which is restricted to 0.04 – 0.14 % instead of 0.04 – 0.35 %. Properties after heat treatment are essentially the same, but the two are separate designations.
Can I use 6061 instead of 6062?
Only if the drawing owner or customer approves it in writing. A 6061 lot with certified chromium within 0.04 – 0.14 % meets the 6062 chemistry, which can make approval straightforward.
Is 6062 the same as 6262?
No. 6262 adds lead and bismuth for free machining. It is a different alloy with different uses and should not be confused with 6062.
What is 6062-T62?
T62 means the material was solution heat-treated and artificially aged by the user, or by the producer from the O or F condition. Its properties are similar to T6.
Is 6062 still produced?
It is not a routine stock grade for sheet and plate, but it can be produced to order. Tube specifications for 6062-T6 are still listed by SAE.
Do you ship 6062 internationally?
Yes. Metline supplies 6062 and approved alternatives worldwide with EN 10204 3.1 certificates, traceability and export packing.
Have a drawing that calls for 6062?
Send the drawing note, temper, size and quantity. We will confirm the supply route, documents and a delivered price.
