Aluminum 2095
AA 2095 · UNS A92095
2095 (A92095) is a low-density Al-Li-Cu alloy of the Weldalite type, strengthened by lithium and copper additions for high strength and stiffness in aerospace tanks and structures.
Reference datasheet — 2095 is not in the instant-quote catalog. Upload your part and an engineer will quote it in this grade or suggest the closest stocked equivalent.
Values for the T8 condition
2095 tempers and conditions
2095 is supplied in 10 conditions, soft to hard. T8 is the default FabDigit quotes; the values on this page are for it.
Compare all 10 conditionsHide
| Condition · open for datasheet | Best for | Yield MPa | Tensile MPa | Elong. % | Hardness | Conductivity |
|---|---|---|---|---|---|---|
Annealed | Softest condition for severe forming or intermediate machining before heat treatment. | 140 | 265 | 17 | 65 HB | 35 % IACS |
As fabricated | Mill-condition stock intended for customer heat treatment; properties not guaranteed. | 210 | 350 | 12 | 90 HB | 30 % IACS |
Solution heat treated and naturally aged | Naturally aged, no stretch — for parts formed after solution treatment and later re-aged. | 300 | 455 | 16 | 115 HB | 23 % IACS |
Solution heat treated, cold worked and naturally aged | Intermediate strength with useful ductility; used as a forming/assembly condition before final artificial aging. | 380 | 505 | 13 | 130 HB | 22 % IACS |
Solution heat treated and artificially aged | For shapes and forgings that cannot be stretched; slightly below T8 strength. | 525 | 580 | 6 | 160 HB | 25 % IACS |
T8, stress relieved by stretching | Plate temper with low residual stress for machined monolithic parts (isogrids, fittings). | 585 | 630 | 7 | 170 HB | 26 % IACS |
Solution treated, ~1% cold worked and artificially aged | Light-stretch T8 variant for sheet where flatness matters more than absolute peak strength. | 600 | 640 | 6 | 172 HB | 26 % IACS |
T8Default Solution heat treated, cold worked and artificially aged | Standard supply condition: peak-strength temper for cryogenic tanks and high-strength aerospace structure. | 610 | 650 | 7 | 175 HB | 26 % IACS |
Solution treated, cold worked (higher strain) and artificially aged | Higher stretch level for maximum strength sheet used in launch-vehicle tank barrels. | 625 | 665 | 6 | 180 HB | 25.5 % IACS |
T8 with 7 % cold work | Maximum-strength Weldalite temper for cryogenic tank skins; lowest ductility and toughness. | 650 | 690 | 5 | 188 HB | 27 % IACS |
What is 2095?
2095 (A92095) is a low-density Al-Li-Cu alloy of the Weldalite type, strengthened by lithium and copper additions for high strength and stiffness in aerospace tanks and structures. It is selected for weight-critical hardware: the default aged condition provides 610 MPa yield, 650 MPa tensile, 7% elongation and 175 HB, and it is supplied as plate, sheet, extrusions and forgings in T3 through T87 tempers. The trade-offs are low elongation and formability in T8 tempers, moderate corrosion resistance with exfoliation risk, low thermal conductivity (88 W/m·K), a 150 °C service limit and limited availability. 2195 is the nearest production alternative. 2095 has a density of 2.71 g/cm³ (0.0979 lb/in³), heavier than 51% of aluminum grades. It melts at 560°C (1,040 °F). 2095 has a yield strength of 610 MPa (88.5 ksi) and a tensile strength of 650 MPa (94.3 ksi) — stronger than 99% of aluminum grades. Elongation at break is 7% and the elastic modulus is 78 GPa (11.3 Msi).
What is 2095 used for?
- cryogenic fuel tank structures
- aerospace weight-critical structures
- launch vehicle skins
Advantages
- High strength — 610 MPa (88.5 ksi), better than 99% of aluminum grades
- Tough — resists crack growth — 33 MPa·√m (30 ksi·√in), better than 87% of aluminum grades
Limitations
- Poor heat conductor — 88 W/m·K (50.8 BTU/hr·ft·°F), worse than 99% of aluminum grades
- Low electrical conductivity — 26 % IACS, worse than 90% of aluminum grades
- Needs corrosion protection — 34/100, worse than 89% of aluminum grades
2095 properties
Typical room-temperature values for 2095-T8; bars are the position among aluminum grades.
Physical3
2095 has a density of 2.71 g/cm³ (0.0979 lb/in³), heavier than 51% of aluminum grades. It melts at 560°C (1,040 °F).
Mechanical13
2095 has a yield strength of 610 MPa (88.5 ksi) and a tensile strength of 650 MPa (94.3 ksi) — stronger than 99% of aluminum grades. Elongation at break is 7% and the elastic modulus is 78 GPa (11.3 Msi).
Thermal6
2095 is rated for continuous service to 150°C (302 °F). It conducts heat at 88 W/m·K (50.8 BTU/hr·ft·°F), worse than 99% of aluminum grades. Thermal expansion is 22 µm/m·K (12.2 µin/in·°F).
Electrical3
2095 conducts electricity at 26 % IACS, worse than 90% of aluminum grades.
Chemical & Environmental3
Corrosion resistance is poor (34/100), worse than 89% of aluminum grades.
Sustainability4
Producing a kilogram of 2095 takes about 215 MJ of energy and emits 13.5 kg of CO₂ — more than 93% of aluminum grades. Typical recycled content is 5%.
Manufacturability8
2095's machinability is good (62/100, better than 55% of aluminum grades); weldability good (62/100); formability poor (25/100).
Common Calculations5
Values are nominal handbook figures for design screening. Certified mill or lot data ships with every FabDigit order on request.
Strength versus weight in the aluminum family
Yield strength against density for every aluminum grade FabDigit runs. 2095 is highlighted; hover a dot for its name, or open the interactive family chart.
Working with 2095
Is 2095 easy to machine?
Machines like 2024-T851 with sharp carbide tooling and flood coolant; Li-bearing chips oxidize readily — keep fines dry and avoid water-based fire fighting on swarf.
Can 2095 be welded?
Designed for fusion welding (VPPA/GTAW) with 2319 or matching Al-Cu-Li filler; use tight cleaning, low heat input and post-weld solution+age or local re-aging to recover joint strength; FSW gives the best properties.
Can 2095 be formed, bent or molded?
Form in O/T3/T4 only; T8 tempers have <8% elongation and crack readily — hot form 300–450 °C or stretch-form after solution treatment, then artificially age.
2095 chemical composition (wt %)
Limits by weight percent from the governing specification, written the way the spec states them — a single maximum for impurities, a range for alloying elements, and the base element as balance. Nominal is the typical mid-range value.
| Element | Spec limit (wt %) | Nominal |
|---|---|---|
| Siimpurity limit | ≤ 0.12 | |
| Feimpurity limit | ≤ 0.15 | |
| Cu | 3.9 – 4.6 | 4.2 |
| Mn | ≤ 0.25 | |
| Mg | 0.25 – 0.8 | 0.4 |
| Lidensity reducer / strengthener | 0.7 – 1.5 | 1.2 |
| Agpromotes T1 precipitation | 0.25 – 0.6 | 0.4 |
| Zrgrain-structure control | 0.04 – 0.18 | 0.12 |
| Zn | ≤ 0.25 | |
| Ti | ≤ 0.1 | |
| Others (each) | ≤ 0.05 | |
| Others (total) | ≤ 0.15 | |
| Al | balance |
What surface finishes work on 2095?
Chromic or tartaric-sulfuric anodize plus epoxy primer for corrosion control; avoid bare service in chloride environments and watch for exfoliation at short-transverse machined faces.
Surface treatments FabDigit runs on aluminum parts — pick them in the quote configurator or call them out on the drawing. Each links to its datasheet in the surface-finish library (thickness, specs, call-out, material verdicts).
Organic Coating
Equivalent designations
Standards and trade names that resolve to Aluminum 2095 in FabDigit's catalog. Equivalence is nominal — check the exact specification when certification matters.
- UNS
- A92095
- Also called
- 2095-T8
How much does 2095 cost?
2095 is a high-cost aluminum ($$$$), pricier than about 78% of the materials FabDigit quotes. Part price depends far more on geometry, tolerance and quantity than on the raw stock — upload a CAD file for a live quote.
2095 — frequently asked
What is 2095 used for?
2095 is typically used for cryogenic fuel tank structures, aerospace weight-critical structures and launch vehicle skins. In short: weldable Al-Li alloy; highest-strength 2000-series grade; low density, high stiffness.
What is the yield strength of 2095?
2095 has a typical yield strength of 610 MPa (88.5 ksi) and a tensile strength of 650 MPa (94.3 ksi) — stronger than 99% of aluminum grades. Strength varies by condition: see the 10 listed tempers.
Is 2095 easy to machine?
Reasonably — machinability is rated good (62/100, better than 55% of aluminum grades). Machines like 2024-T851 with sharp carbide tooling and flood coolant; Li-bearing chips oxidize readily — keep fines dry and avoid water-based fire fighting on swarf.
Can 2095 be welded?
Yes — weldability is rated good (62/100). Designed for fusion welding (VPPA/GTAW) with 2319 or matching Al-Cu-Li filler; use tight cleaning, low heat input and post-weld solution+age or local re-aging to recover joint strength; FSW gives the best properties.
What surface finishes work on 2095?
Chromic or tartaric-sulfuric anodize plus epoxy primer for corrosion control; avoid bare service in chloride environments and watch for exfoliation at short-transverse machined faces.
Can 2095 be formed, bent or molded?
Form in O/T3/T4 only; T8 tempers have <8% elongation and crack readily — hot form 300–450 °C or stretch-form after solution treatment, then artificially age.
What is the maximum service temperature of 2095?
2095 is rated for continuous use to about 150°C (302 °F). Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.
What is the difference between 2095-T8 and 2095-O?
T8 is the default condition — standard supply condition: peak-strength temper for cryogenic tanks and high-strength aerospace structure. O: softest condition for severe forming or intermediate machining before heat treatment. Yield strength is 610 MPa in T8 versus 140 MPa in O.
How much does 2095 cost?
2095 is a high-cost aluminum ($$$$), pricier than about 78% of the materials FabDigit quotes. Part price depends far more on geometry, tolerance and quantity than on the raw stock — upload a CAD file for a live quote.
Sources
- International Alloy Designations and Chemical Composition Limits for Wrought Aluminum (Teal Sheets) — The Aluminum Association (2018)
- ASM Handbook Vol. 2 — Properties and Selection: Nonferrous Alloys (Al-Li alloys) — ASM International (1990)
- Aluminum-Lithium Alloys: Processing, Properties and Applications — Elsevier/Butterworth-Heinemann (2014)
- Weldalite 049 / 2095 alloy technical data — Lockheed Martin / Reynolds Metals (1995)
- ASM Handbook Vol. 13B — Corrosion of Aluminum Alloys — ASM International (2005)
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.