AZ31 magnesium alloy bar, a flagship product of Huona New Material, is a high-performance wrought magnesium alloy rod engineered for lightweight structural applications. Composed of magnesium (Mg) as the base metal, with aluminum (Al) and zinc (Zn) as key alloying elements, it balances excellent mechanical strength, good ductility, and ultra-low density (only ~1.78 g/cm³--about 35% lighter than aluminum alloys). This combination makes it an ideal alternative to heavier metals in industries prioritizing weight reduction, while Huona's advanced extrusion and heat-treatment processes ensure consistent quality and dimensional precision across all batches.
AZ31 magnesium alloy bar outperforms traditional structural materials in critical lightweight scenarios:
| Attribute | Value (Typical) |
|---|---|
| Chemical Composition (wt%) | Mg: Balance; Al: 2.5-3.5%; Zn: 0.7-1.3%; Mn: 0.2-1.0%; Si: ≤0.08%; Fe: ≤0.005% |
| Diameter Range (Round Bar) | 5mm - 200mm (tolerance: h8/h9 for precision applications) |
| Length | 1000mm - 6000mm (custom cut-to-length available) |
| Temper Options | F (as-fabricated), T4 (solution-treated), T6 (solution-treated + aged) |
| Tensile Strength | F: 220-250 MPa; T4: 240-260 MPa; T6: 260-280 MPa |
| Yield Strength | F: 150-180 MPa; T4: 160-190 MPa; T6: 180-210 MPa |
| Elongation (25°C) | F: 8-12%; T4: 12-15%; T6: 8-10% |
| Hardness (HV) | F: 60-70; T4: 65-75; T6: 75-85 |
| Thermal Conductivity (25°C) | 156 W/(m*K) |
| Operating Temperature Range | -50°C to 120°C (continuous use) |
| Alloy | Temper | Composition (wt. percent) | Tensile properties |
|---|---|---|---|
| AZ31 | F | Al: 3.0 Zn: 1.0 Mn: 0.20 Zr: - |
Yield strength: 165 MPa Tensile strength: 245 MPa Elongation: 12% |
| AZ61 | F | Al: 6.5 Zn: 1.0 Mn: 0.15 Zr: - |
Yield strength: 165 MPa Tensile strength: 280 MPa Elongation: 14% |
| AZ80 | T5 | Al: 8.0 Zn: 0.6 Mn: 0.30 Zr: - |
Yield strength: 275 MPa Tensile strength: 380 MPa Elongation: 7% |
| ZK60 | F | Al: - Zn: 5.5 Mn: - Zr: 0.45 |
Yield strength: 240 MPa Tensile strength: 325 MPa Elongation: 13% |
| ZK60 | T5 | Al: - Zn: 5.5 Mn: - Zr: 0.45 |
Yield strength: 268 MPa Tensile strength: 330 MPa Elongation: 12% |
| AM30 | F | Al: 3.0 Zn: - Mn: 0.40 Zr: - |
Yield strength: 171 MPa Tensile strength: 232 MPa Elongation: 12% |
Huona New Material ensures strict quality control for AZ31 magnesium alloy bars, with each batch undergoing chemical composition analysis, mechanical property testing, and dimensional inspection. Free samples (100mm-300mm lengths) and material test reports (MTR) are available upon request. Our technical team also provides application-specific support--including machining guidelines and corrosion protection recommendations--to help customers maximize the performance of AZ31 in their projects.