2024 Aluminum T351
metalUNS A92024
2024 Aluminum T351 is a solution heat-treated and stress-relieved aluminum-copper alloy (nominally 4.4% Cu, 1.5% Mg, 0.6% Mn) used in high-strength aerospace and defense structures. The T351 temper provides excellent fatigue resistance and fracture toughness through controlled stress relief, making it the preferred condition for aircraft wing skins, fuselage components, and highly stressed fasteners operating in service environments.
aerospacestructural
Compliance & Regulations
?Conflict Free?FDA?RoHS?REACH?TSCA?Prop 65
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Compressive Modulus(Ec) | — | ksi | 22°C · Drawn tubing | — | |
Compressive Tangent Modulus vs Stress(Etn(σ))2 entries | Curve (10 pts) | ksi | 21°C · L | — | |
| ↳ | Curve (10 pts) | ksi | 21°C · LT | — | |
Poisson's Ratio(ν) | — | - | 22°C | — | |
Shear Modulus(G) | — | ksi | 22°C · Drawn tubing | — | |
Stress–Strain Curve(σ–ε) | Curve (10 pts) | ksi | 21°C · L | — | |
Stress–Strain Curve (buckling region, ≤ 2% strain)(σ–ε (low-strain))4 entries | Curve (6 pts) | ksi | 21°C · L | — | |
| ↳ | Curve (7 pts) | ksi | 21°C · LT | — | |
| ↳ | Curve (7 pts) | ksi | 21°C · LT | — | |
| ↳ | Curve (9 pts) | ksi | 21°C · L | — | |
Ultimate Tensile Strength(σUTS) | Curve (20 pts) | ksi | L | — | |
Young's Modulus(E) | — | ksi | 22°C · Drawn tubing | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Rows with are inherited from the base material
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
CTE vs Temperature(α(T)) | Curve (12 pts) | µin/in·°F | — | — | |
Specific Heat vs Temperature(Cp(T)) | Curve (11 pts) | BTU/(lb·°F) | — | — | |
Thermal Conductivity vs Temperature(k(T)) | Curve (15 pts) | BTU/(hr·ft·°F) | — | — |
Rows with are inherited from the base material
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | — | lb/in³ | 22°C | — |
Rows with are inherited from the base material
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
Safety & Biocompatibility
Quality & Standards
RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.