Aluminum 2009/SiC/15p
also Alcoa 2009/SiC/15p
2009/SiC/15p is a powder-metallurgy Al-Cu (2000 series) matrix composite with 15 vol% silicon carbide particulate, supplied as Alcoa 2009/SiC/15p in F, O, T4, T6, T3511, T8 and T7.
Reference datasheet — 2009/SiC/15p 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 T4 condition
2009/SiC/15p tempers and conditions
2009/SiC/15p is supplied in 7 conditions, soft to hard. T4 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 | Softest condition for maximum (still limited) formability and machining before solution treatment. | 170 | 300 | 12 | 75 HB | 40 % IACS |
As fabricated | Mill stock for subsequent forging or full heat treatment; no guaranteed mechanical properties. | 320 | 450 | 8 | 110 HB | 33 % IACS |
T4Default Solution heat treated and naturally aged | Standard supply condition for forged and extruded MMC parts: best combination of strength, ductility and toughness. | 365 | 550 | 7 | 125 HB | 26 % IACS |
Solution treated, stress-relieved by stretching, naturally aged | Extruded bar/profile stretched for low residual stress and straightness before machining to close tolerance. | 400 | 565 | 6 | 130 HB | 27 % IACS |
Solution heat treated and overaged (stabilized) | Overaged for improved corrosion/exfoliation resistance and thermal stability at some loss of strength. | 410 | 520 | 5 | 135 HB | 38 % IACS |
Solution heat treated and artificially aged | Choose for higher yield strength and dimensional stability at temperature, accepting reduced ductility and toughness. | 460 | 585 | 5 | 145 HB | 32 % IACS |
Solution heat treated, cold worked and artificially aged | Highest strength condition for sheet/extrusion where stiffness and yield dominate and ductility can be sacrificed. | 515 | 620 | 4 | 155 HB | 33 % IACS |
What is 2009/SiC/15p?
2009/SiC/15p is a powder-metallurgy Al-Cu (2000 series) matrix composite with 15 vol% silicon carbide particulate, supplied as Alcoa 2009/SiC/15p in F, O, T4, T6, T3511, T8 and T7. Engineers select it for aerospace structures needing higher stiffness-to-weight than monolithic aluminum, with 365 MPa yield, 550 MPa tensile, 7 % elongation and 125 HB as extrusions, forgings and rolled plate. Maximum service temperature is 120 °C, thermal conductivity 145 W/m·K, and fusion welding is not accepted. Where cost or weldability dominates, 2024-T351 remains the alternative. 2009/SiC/15p has a density of 2.84 g/cm³ (0.103 lb/in³), heavier than 93% of aluminum grades. It melts at 502°C (936 °F). 2009/SiC/15p has a yield strength of 365 MPa (52.9 ksi) and a tensile strength of 550 MPa (79.8 ksi) — stronger than 85% of aluminum grades. Elongation at break is 7% and the elastic modulus is 98 GPa (14.2 Msi).
What is 2009/SiC/15p used for?
- fighter jet skin panels
- aerospace fuselage components
- military structural parts
Advantages
- Stiff — 98 GPa (14.2 Msi), better than 99% of aluminum grades
- High strength — 365 MPa (52.9 ksi), better than 85% of aluminum grades
Limitations
- Difficult to machine — 15/100, worse than 100% of aluminum grades
- High embodied carbon — 16 kg CO₂/kg, worse than 98% of aluminum grades
- Needs corrosion protection — 32/100, worse than 94% of aluminum grades
- Low electrical conductivity — 26 % IACS, worse than 90% of aluminum grades
- Difficult to weld — 20/100, worse than 89% of aluminum grades
2009/SiC/15p properties
Typical room-temperature values for 2009/SiC/15p-T4; bars are the position among aluminum grades.
Physical3
2009/SiC/15p has a density of 2.84 g/cm³ (0.103 lb/in³), heavier than 93% of aluminum grades. It melts at 502°C (936 °F).
Mechanical14
2009/SiC/15p has a yield strength of 365 MPa (52.9 ksi) and a tensile strength of 550 MPa (79.8 ksi) — stronger than 85% of aluminum grades. Elongation at break is 7% and the elastic modulus is 98 GPa (14.2 Msi).
Thermal6
2009/SiC/15p is rated for continuous service to 120°C (248 °F). It conducts heat at 145 W/m·K (83.8 BTU/hr·ft·°F), better than 53% of aluminum grades. Thermal expansion is 18 µm/m·K (10 µin/in·°F).
Electrical3
2009/SiC/15p conducts electricity at 26 % IACS, worse than 90% of aluminum grades.
Chemical & Environmental3
Corrosion resistance is poor (32/100), worse than 94% of aluminum grades.
Sustainability4
Producing a kilogram of 2009/SiC/15p takes about 240 MJ of energy and emits 16 kg of CO₂ — more than 98% of aluminum grades. Typical recycled content is 2%.
Manufacturability7
2009/SiC/15p's machinability is poor (15/100, worse than 100% of aluminum grades); weldability poor (20/100); 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. 2009/SiC/15p is highlighted; hover a dot for its name, or open the interactive family chart.
Working with 2009/SiC/15p
Is 2009/SiC/15p easy to machine?
Extremely abrasive — use PCD or CVD-diamond tooling, high speed/low feed, flood coolant; carbide tools wear within minutes and grinding/EDM are practical for finishing.
Can 2009/SiC/15p be welded?
Fusion welding is discouraged (Al₄C₃ formation, porosity, particle segregation); friction stir welding, diffusion bonding or mechanical fastening/adhesive bonding are the accepted joining routes.
Can 2009/SiC/15p be formed, bent or molded?
Supplied by powder blending, vacuum hot pressing and extrusion/forging; hot working at 400–480 °C only — cold forming is limited by 4–8 % ductility and minimum bend radii are large.
2009/SiC/15p 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 |
|---|---|---|
| SiCvol % particulate reinforcement (≈17 wt %); typical mean particle size 3–10 µm | 14 – 16 | 15 |
| Cumatrix basis (2009 alloy) | 3.2 – 4.4 | 3.8 |
| Mgmatrix basis | 1 – 1.6 | 1.3 |
| Fematrix basis, low-Fe PM powder | ≤ 0.05 | 0.03 |
| Simatrix basis (excluding SiC) | ≤ 0.25 | 0.1 |
| Mnmatrix basis | ≤ 0.1 | 0.02 |
| Znmatrix basis | ≤ 0.1 | 0.02 |
| Others (each)total 0.15 max | ≤ 0.05 | |
| Almatrix balance | balance |
What surface finishes work on 2009/SiC/15p?
Anodizes unevenly because SiC particles do not convert; chromate/phosphate conversion coats plus primer are common, and shot peening improves fatigue life of machined surfaces.
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 2009/SiC/15p in FabDigit's catalog. Equivalence is nominal — check the exact specification when certification matters.
- Trade names
- Alcoa 2009/SiC/15p
How much does 2009/SiC/15p cost?
2009/SiC/15p 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.
2009/SiC/15p — frequently asked
What is 2009/SiC/15p used for?
2009/SiC/15p is typically used for fighter jet skin panels, aerospace fuselage components and military structural parts. In short: highest-strength SiC-Al composite; aerospace stiffness upgrade; powder-route 2000-series matrix.
What is the yield strength of 2009/SiC/15p?
2009/SiC/15p has a typical yield strength of 365 MPa (52.9 ksi) and a tensile strength of 550 MPa (79.8 ksi) — stronger than 85% of aluminum grades. Strength varies by condition: see the 7 listed tempers.
Is 2009/SiC/15p easy to machine?
Not especially — machinability is rated poor (15/100, worse than 100% of aluminum grades). Extremely abrasive — use PCD or CVD-diamond tooling, high speed/low feed, flood coolant; carbide tools wear within minutes and grinding/EDM are practical for finishing.
Can 2009/SiC/15p be welded?
Not readily — weldability is rated poor (20/100). Fusion welding is discouraged (Al₄C₃ formation, porosity, particle segregation); friction stir welding, diffusion bonding or mechanical fastening/adhesive bonding are the accepted joining routes.
What surface finishes work on 2009/SiC/15p?
Anodizes unevenly because SiC particles do not convert; chromate/phosphate conversion coats plus primer are common, and shot peening improves fatigue life of machined surfaces.
Can 2009/SiC/15p be formed, bent or molded?
Supplied by powder blending, vacuum hot pressing and extrusion/forging; hot working at 400–480 °C only — cold forming is limited by 4–8 % ductility and minimum bend radii are large.
What is the maximum service temperature of 2009/SiC/15p?
2009/SiC/15p 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 2009/SiC/15p-T4 and 2009/SiC/15p-O?
T4 is the default condition — standard supply condition for forged and extruded MMC parts: best combination of strength, ductility and toughness. O: softest condition for maximum (still limited) formability and machining before solution treatment. Yield strength is 365 MPa in T4 versus 170 MPa in O.
How much does 2009/SiC/15p cost?
2009/SiC/15p 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
- ASM Handbook, Vol. 21: Composites — Discontinuously Reinforced Aluminum — ASM International (2001)
- ASM Handbook, Vol. 2: Properties and Selection — Nonferrous Alloys — ASM International (1990)
- ANSI H35.5 — Nomenclature System for Aluminum Metal-Matrix Composites — The Aluminum Association (1997)
- DWA Aluminum Composites / Alcoa 2009-SiC particulate MMC product data — DWA / Alcoa (2005)
- MMC mechanical and physical property compilations (MIL-HDBK-5/MMPDS supplementary MMC data) — US DoD / MMPDS (2003)
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.