Aluminum 2007
AA 2007 · UNS A92007 · EN AlCuMgPb, 3.1645
2007 (EN AW-2007, AlCu4PbMgMn) is a lead-bismuth-bearing 2000-series free-machining aluminium alloy supplied almost exclusively as extruded/drawn bar and rod for high-speed automatic-lathe work.
Values for the T3 condition
2007 tempers and conditions
2007 is supplied in 7 conditions, soft to hard. T3 is the default FabDigit quotes; the values on this page are for it.
Compare all 7 conditionsHide
| Condition · open for datasheet | Best for | Yield MPa | Tensile MPa | Elong. % | Hardness | Conductivity |
|---|---|---|---|---|---|---|
Annealed | Only for intermediate processing or heading/upsetting operations; strength is too low for service use. | 105 | 210 | 18 | 60 HB | 42 % IACS |
Solution heat treated and naturally aged | Slightly lower strength but better ductility than T3; used for extruded bar and for parts needing some bending/staking. | 250 | 370 | 14 | 105 HB | 29 % IACS |
T4 + stress relieved by stretching, drawn to special straightness | Precision-drawn free-machining bar for bar-feeder automats where straightness and low residual stress matter. | 260 | 370 | 12 | 108 HB | 30 % IACS |
Extruded, solution heat treated, stress-relieved by stretching with… | Free-machining Al-Cu-Mg-Pb extrusion in the naturally aged, stretched and lightly straightened condition — high strength with outstanding chip-breaking machinability but poor weldability and corrosion resistance. | 280 | 380 | 10 | 110 HB | 32 % IACS |
T3, stress relieved by stretching | Choose when parts are machined asymmetrically or to tight flatness/straightness and distortion must be minimised. | 280 | 380 | 12 | 110 HB | 30 % IACS |
T3Default Solution heat treated, cold worked and naturally aged | Standard stock condition for free-machining bar/rod on CNC lathes and multi-spindle automats. | 300 | 390 | 10 | 115 HB | 30 % IACS |
Solution heat treated, cold worked and artificially aged | Highest-strength, most dimensionally stable condition; pick for threaded/pressure-loaded turned parts, at the cost of ductility. | 350 | 420 | 8 | 125 HB | 33 % IACS |
What is 2007?
2007 (EN AW-2007, AlCu4PbMgMn) is a lead-bismuth-bearing 2000-series free-machining aluminium alloy supplied almost exclusively as extruded/drawn bar and rod for high-speed automatic-lathe work. The Pb/Sn/Bi additions break up chips and give near-brass machinability while Cu-Mg precipitation gives ~370-400 MPa tensile strength in T3/T4. Limits: poor corrosion resistance and no practical fusion weldability, mediocre cold formability, only fair (grey, mottled) anodic finish, and the lead content restricts it under RoHS/ELV-type regulations. 2007 has a density of 2.85 g/cm³ (0.103 lb/in³), heavier than 96% of aluminum grades. It melts at 508°C (946 °F). 2007 has a yield strength of 300 MPa (43.5 ksi) and a tensile strength of 390 MPa (56.6 ksi) — stronger than 77% of aluminum grades. Elongation at break is 10% and the elastic modulus is 72 GPa (10.4 Msi).
What is 2007 used for?
- Screw machine parts
- Fittings
- Studs
Advantages
- Easy to machine — 95/100, better than 99% of aluminum grades
- High strength — 300 MPa (43.5 ksi), better than 77% of aluminum grades
Limitations
- Needs corrosion protection — 30/100, worse than 98% of aluminum grades
- Difficult to weld — 15/100, worse than 96% of aluminum grades
- Limited service temperature — 120°C (248 °F), worse than 79% of aluminum grades
- Hard to polish — 45/100, worse than 76% of aluminum grades
2007 properties
Typical room-temperature values for 2007-T3; bars are the position among aluminum grades.
Physical3
2007 has a density of 2.85 g/cm³ (0.103 lb/in³), heavier than 96% of aluminum grades. It melts at 508°C (946 °F).
Mechanical12
2007 has a yield strength of 300 MPa (43.5 ksi) and a tensile strength of 390 MPa (56.6 ksi) — stronger than 77% of aluminum grades. Elongation at break is 10% and the elastic modulus is 72 GPa (10.4 Msi).
Thermal6
2007 is rated for continuous service to 120°C (248 °F). It conducts heat at 135 W/m·K (78 BTU/hr·ft·°F), worse than 58% of aluminum grades. Thermal expansion is 23 µm/m·K (12.8 µin/in·°F).
Electrical3
2007 conducts electricity at 30 % IACS, worse than 73% of aluminum grades.
Chemical & Environmental3
Corrosion resistance is poor (30/100), worse than 98% of aluminum grades.
Sustainability4
Producing a kilogram of 2007 takes about 200 MJ of energy and emits 12.5 kg of CO₂ — less than 60% of aluminum grades. Typical recycled content is 30%.
Manufacturability8
2007's machinability is excellent (95/100, better than 99% of aluminum grades); weldability poor (15/100); 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. 2007 is highlighted; hover a dot for its name, or open the interactive family chart.
Working with 2007
Is 2007 easy to machine?
Outstanding free-cutting behaviour — high speeds, sharp positive-rake tools, short broken chips, excellent surface finish and tool life; ideal for bar-fed automats.
Can 2007 be welded?
Not recommended for fusion welding (Pb/Bi cause hot cracking and porosity); join by mechanical fastening, adhesive or press/interference fits.
Can 2007 be formed, bent or molded?
Poor cold formability in T3/T4 — avoid tight bends and severe upsetting; hot extrusion and drawing are done by the mill only.
Manufacturability
The process limits FabDigit applies to 2007. Every 2007 part is priced by an engineer; design inside these and the quote comes back without a redesign loop.
CNC machining
| Machinability | Excellent95 / 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 / — |
| Hardenable after machining | No |
Sheet metal
| Formability | Fair25 / 100 |
|---|---|
| Weldability | Poor15 / 100 |
2007 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 |
|---|---|---|
| Si | ≤ 0.8 | 0.4 |
| Fe | ≤ 0.8 | 0.4 |
| Cu | 3.3 – 4.6 | 4 |
| Mn | 0.5 – 1 | 0.7 |
| Mg | 0.4 – 1.8 | 0.8 |
| Cr | ≤ 0.1 | |
| Ni | ≤ 0.2 | |
| Zn | ≤ 0.8 | |
| Pbfree-machining addition; RoHS/ELV attention | 0.8 – 1.5 | 1.1 |
| Bi | ≤ 0.2 | 0.1 |
| Sn | ≤ 0.2 | 0.1 |
| Ti | ≤ 0.2 | |
| Others (each)0.15 total | ≤ 0.05 | |
| Al | balance |
What surface finishes work on 2007?
Anodize only for technical/hard coatings (grey, mottled); prefer chromate-free conversion coating, chemical nickel or paint, and oil bare parts to avoid pitting.
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).
Passivation
Conversion Coating
PVD Coating
Equivalent designations
Standards and trade names that resolve to Aluminum 2007 in FabDigit's catalog. Equivalence is nominal — check the exact specification when certification matters.
- UNS
- A92007
- EN / DIN / Werkstoff-Nr.
- AlCuMgPb3.1645AlCu4PbMgMn
How much does 2007 cost?
2007 is a premium-cost aluminum ($$$), cheaper than about 62% 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.
2007 — frequently asked
What is 2007 used for?
2007 is typically used for screw machine parts, fittings and studs. In short: free-machining; lead-free choice.
What is the yield strength of 2007?
2007 has a typical yield strength of 300 MPa (43.5 ksi) and a tensile strength of 390 MPa (56.6 ksi) — stronger than 77% of aluminum grades. Strength varies by condition: see the 7 listed tempers.
Is 2007 easy to machine?
Yes — machinability is rated excellent (95/100, better than 99% of aluminum grades). Outstanding free-cutting behaviour — high speeds, sharp positive-rake tools, short broken chips, excellent surface finish and tool life; ideal for bar-fed automats.
Can 2007 be welded?
Not readily — weldability is rated poor (15/100). Not recommended for fusion welding (Pb/Bi cause hot cracking and porosity); join by mechanical fastening, adhesive or press/interference fits.
What surface finishes work on 2007?
Anodize only for technical/hard coatings (grey, mottled); prefer chromate-free conversion coating, chemical nickel or paint, and oil bare parts to avoid pitting.
Can 2007 be formed, bent or molded?
Poor cold formability in T3/T4 — avoid tight bends and severe upsetting; hot extrusion and drawing are done by the mill only.
What is the maximum service temperature of 2007?
2007 is rated for continuous use to about 120°C (248 °F). Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.
What is the difference between 2007-T3 and 2007-O?
T3 is the default condition — standard stock condition for free-machining bar/rod on CNC lathes and multi-spindle automats. O: only for intermediate processing or heading/upsetting operations; strength is too low for service use. Yield strength is 300 MPa in T3 versus 105 MPa in O.
How much does 2007 cost?
2007 is a premium-cost aluminum ($$$), cheaper than about 62% 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.
Can FabDigit make parts in 2007?
Yes — 2007 is available for CNC machining and sheet metal; every part is priced by an engineer rather than instantly. Upload a STEP file to get a price and a DFM check.
Sources
- EN 573-3 Aluminium and aluminium alloys — Chemical composition — CEN (2019)
- EN 754-2 / EN 755-2 Cold drawn and extruded rod/bar — Mechanical properties — CEN (2016)
- ASM Handbook Vol. 2 — Properties and Selection: Nonferrous Alloys — ASM International (1990)
- ASM Handbook Vol. 16 — Machining — ASM International (1989)
- Free-machining aluminium bar EN AW-2007 (AlCu4PbMgMn) datasheets — European extruders (e.g. Alcoa/Constellium/Amari stockists) (2022)
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.