Introduction
222.0 is a casting grade in the Aluminum-Copper Alloy family, specified in ASTM B26/B26M. The specification defines its chemical composition and mechanical requirements for the applicable sand-casting tempers. Casting process options include Sand Casting, subject to the applicable specification and component requirements.
| Field | Value |
|---|---|
| Designation | 222.0 |
| Material Type | Aluminum Alloy |
| Sub Type | Aluminum-Copper Alloy |
| Product Form | casting |
Manufacturing Process
Sand Casting
Equivalent Grades
N/A
Similar Materials
N/A
Reference Standards
| Standard | Standard Title | Edition | Specification | Identifier |
|---|---|---|---|---|
| ASTM B26/B26M | Standard Specification for Aluminum-Alloy Sand Castings | 05 | 222.0 | UNS A02220 |
Related Casting Products
Physical Properties
N/A
Chemical Composition
| Element | ASTM B26/B26MEdition 05 · wt.%[1] |
|---|---|
| Si | ≤ 2.0 |
| Fe | ≤ 1.5 |
| Cu | 9.2–10.7 |
| Mn | ≤ 0.50 |
| Mg | 0.15–0.35 |
| Ni | ≤ 0.50 |
| Zn | ≤ 0.8 |
| Ti | ≤ 0.25 |
| Al | remainder |
Chemical requirements[2]
Notes
ASTM B26/B26M · Edition 05
[1] All properties in this column: inactive; nonmandatory X3
[2] Chemical composition: Other elements, total: ≤ 0.35 wt.%
Heat Treatment
ASTM B26/B26M–05 · T6
T6
ASTM B26/B26M–05 · Sand Casting · O · Recommended heat treatment
| Step | Operation | Temperature / holding time | Cooling |
|---|---|---|---|
| 1 | Recommended: Annealing | 600 °F / 315 °C; Holding time: 3 h[1] | Still air outside furnace |
Notes
ASTM B26/B26M · Edition 05
[1] O, O · Recommended heat treatment: Source: ASTM B917/B917M–25 (Recommended; when specified by the material specification or purchase order).; ±10°F; Use suitable metal-temperature measurement; sections/microstructure affect soak time selection (7.2).; No quenching required. Cool in still air outside the furnace.; Footnote H (footnotes), O — inch-pound: Solution treatment temperature of 1010°F may be used (to obtain higher solubility) provided no portion of the heat treat oven exceeds 1020°F.; ±5°C; Footnote H (footnotes), O — SI: Solution treatment temperature of 545°C may be used (to obtain higher solubility) provided no portion of the heat treat oven exceeds 550°C.
Mechanical Properties
Conditions are not identical. Compare each stated condition and applicability separately.
| Property | ASTM B26/B26MEdition 05O[1] | ASTM B26/B26MEdition 05T6[2] |
|---|---|---|
| Tensile Strength | ≥ 23.0 ksi ≥ 159 MPa | ≥ 30.0 ksi ≥ 207 MPa |
| Brinell Hardness | 80 HB | 115 HB |
Notes
ASTM B26/B26M · Edition 05
[1] All properties in this column; O: inactive; nonmandatory X3; inch-pound published MPa companion values; 2 in. or 4 x diameter; Informative reference value; not an acceptance requirement
[2] All properties in this column; T6: inactive; nonmandatory X3; inch-pound published MPa companion values; 2 in. or 4 x diameter; Informative reference value; not an acceptance requirement
Welding Conditions
N/A
Applications
At the material-family level, typical applications include custom, shaped aluminum sand-cast components for non-aerospace use. ASTM B26/B26M excludes aerospace applications; suitability of this grade must be checked against the component requirements and specified temper.
Last Updated: October 13, 2026