Aluminum 713.0-T1
Temper
AA 713.0 · UNS A07130 · also ZC81A
T1 = cooled from hot working and naturally aged
Self-aging condition reached at room temperature in ~3 weeks; choose when no furnace treatment is wanted at all.
Values for the T1 condition
Other 713.0 tempers and conditions
713.0 is listed in 3 conditions; see the grade overview at 713.0.
Compare all 3 conditionsHide
| Condition · open for datasheet | Best for | Yield MPa | Tensile MPa | Elong. % | Hardness | Conductivity |
|---|---|---|---|---|---|---|
As fabricated | Freshly cast condition before natural aging completes; used when parts will be machined immediately or aged in service. | 110 | 180 | 6 | 62 HB | 28 % IACS |
T1This page Cooled from hot working and naturally aged | Self-aging condition reached at room temperature in ~3 weeks; choose when no furnace treatment is wanted at all. | 145 | 205 | 4 | 72 HB | 29 % IACS |
T5Default Cooled from hot working and artificially aged | Standard commercial condition: a short low-temperature age stabilises dimensions and gives full strength without solution treatment or quench distortion. | 152 | 210 | 4 | 75 HB | 30 % IACS |
What is 713.0-T1?
713.0-T1 is 713.0 in the T1 temper — self-aging condition reached at room temperature in ~3 weeks; choose when no furnace treatment is wanted at all. 713.0-T1 has a yield strength of 145 MPa (21 ksi) and a tensile strength of 205 MPa (29.7 ksi) — weaker than 68% of aluminum grades. Elongation at break is 4% and the elastic modulus is 71 GPa (10.3 Msi). 713.0-T1 has a density of 2.81 g/cm³ (0.102 lb/in³), heavier than 86% of aluminum grades. It melts at 595°C (1,103 °F). T5 is the default condition FabDigit quotes; T1 is available on request or by drawing note.
Limitations
- Low electrical conductivity — 29 % IACS, worse than 78% of aluminum grades
713.0-T1 properties
Typical room-temperature values for 713.0-T1; 10 are specific to this condition. Other listed values are 713.0 reference data and may not represent this condition. Bars are the position among aluminum grades.
Physical3
713.0-T1 has a density of 2.81 g/cm³ (0.102 lb/in³), heavier than 86% of aluminum grades. It melts at 595°C (1,103 °F).
Mechanical11
713.0-T1 has a yield strength of 145 MPa (21 ksi) and a tensile strength of 205 MPa (29.7 ksi) — weaker than 68% of aluminum grades. Elongation at break is 4% and the elastic modulus is 71 GPa (10.3 Msi).
Thermal6
713.0-T1 is rated for continuous service to 130°C (266 °F). It conducts heat at 138 W/m·K (79.7 BTU/hr·ft·°F), worse than 55% of aluminum grades. Thermal expansion is 24 µm/m·K (13.3 µin/in·°F).
Electrical3
713.0-T1 conducts electricity at 29 % IACS, worse than 78% of aluminum grades.
Chemical & Environmental3
Corrosion resistance is fair (48/100), worse than 58% of aluminum grades.
Sustainability4
Producing a kilogram of 713.0-T1 takes about 200 MJ of energy and emits 12 kg of CO₂ — less than 60% of aluminum grades. Typical recycled content is 70%.
Manufacturability7
713.0-T1's machinability is very good (70/100, better than 72% of aluminum grades); weldability fair (45/100).
Values are nominal handbook figures for design screening. Confirm any required mill or lot documentation when quoting.
Working with 713.0-T1
Is 713.0 easy to machine?
Machines well in T1/T5 with sharp carbide tooling, high speed and light cuts; chips are short and surface finish is better than for high-Si Al-Si castings.
Can 713.0 be welded?
Fusion welding is only fair — use 4043 or 5356 filler, preheat sparingly, and expect a local strength drop in the HAZ that partially recovers by natural re-aging.
Can 713.0 be formed, bent or molded?
Sand and permanent-mold casting alloy of moderate fluidity and above-average hot-tear tendency; generous fillets, chills and good risering are needed, but no solution treatment or quench is required.
What surface finishes work on 713.0?
Takes paint, chromate conversion and protective anodizing well; decorative bright anodizing is poor and grey because of the high Zn/Cu, and salt-spray exposure requires an applied coating.
713.0 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 | ≤ 0.25 | 0.15 |
| Fe | ≤ 1.1 | 0.5 |
| Cu | 0.4 – 1 | 0.7 |
| Mn | ≤ 0.6 | 0.2 |
| Mg | 0.2 – 0.5 | 0.35 |
| Cr | ≤ 0.35 | 0.15 |
| Ni | ≤ 0.15 | — |
| Zn | 7 – 8 | 7.5 |
| Timax, grain refiner | ≤ 0.25 | 0.15 |
| Others (each)each | ≤ 0.1 | — |
| Others (total)total | ≤ 0.25 | — |
| Al | balance | — |
713.0-T1 — frequently asked
What is 713.0-T1 used for?
713.0-T1 is typically used for automotive castings, pump housings and machinery components. In short: pressure-tight cast aluminum; no solution treatment required; fair weldability for 7xx.x.
What is the yield strength of 713.0-T1?
713.0-T1 has a typical yield strength of 145 MPa (21 ksi) and a tensile strength of 205 MPa (29.7 ksi) — weaker than 68% of aluminum grades. Strength varies by condition: see the 3 listed tempers.
Is 713.0-T1 easy to machine?
Yes — machinability is rated very good (70/100, better than 72% of aluminum grades). Machines well in T1/T5 with sharp carbide tooling, high speed and light cuts; chips are short and surface finish is better than for high-Si Al-Si castings.
Can 713.0-T1 be welded?
With care — weldability is rated fair (45/100). Fusion welding is only fair — use 4043 or 5356 filler, preheat sparingly, and expect a local strength drop in the HAZ that partially recovers by natural re-aging.
What surface finishes work on 713.0-T1?
Takes paint, chromate conversion and protective anodizing well; decorative bright anodizing is poor and grey because of the high Zn/Cu, and salt-spray exposure requires an applied coating.
Can 713.0-T1 be formed, bent or molded?
Sand and permanent-mold casting alloy of moderate fluidity and above-average hot-tear tendency; generous fillets, chills and good risering are needed, but no solution treatment or quench is required.
What is the maximum service temperature of 713.0-T1?
713.0-T1 is rated for continuous use to about 130°C (266 °F). Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.
What is the difference between 713.0-T5 and 713.0-F?
T5 is the default condition — standard commercial condition: a short low-temperature age stabilises dimensions and gives full strength without solution treatment or quench distortion. F: freshly cast condition before natural aging completes; used when parts will be machined immediately or aged in service. Yield strength is 152 MPa in T5 versus 110 MPa in F.
Sources
- ANSI H35.1 / Aluminum Association Designations and Chemical Composition Limits for Aluminum Alloys in the Form of Castings and Ingot ('Pink Sheets') — The Aluminum Association (2018)
- ASTM B26/B26M Standard Specification for Aluminum-Alloy Sand Castings — ASTM International (2018)
- ASTM B108/B108M Standard Specification for Aluminum-Alloy Permanent Mold Castings — ASTM International (2019)
- ASM Handbook Vol.2 — Properties and Selection: Nonferrous Alloys and Special-Purpose Materials — ASM International (1990)
- ASM Specialty Handbook: Aluminum and Aluminum Alloys — ASM International (1993)
Property data is compiled from published supplier and standards handbooks and normalised for comparison. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.