What is AZ31B?
AZ31B is an engineering material with magnesium alloy. This guide covers chemical composition, mechanical properties, and machining per GB/T or ASTM standards.
Chemical Composition
| Element | Content (%) | Standard |
|---|---|---|
| Mg | Balance | ASTM/GB |
| Al | 2.5-3.5 | ASTM/GB |
| Zn | 0.7-1.3 | ASTM/GB |
| Mn | 0.20-1.00 | ASTM/GB |
| Si | ≤0.10 | ASTM/GB |
Mechanical Properties
| Property | Value | Standard |
|---|---|---|
| Tensile Strength | ≥260 MPa | ASTM/GB |
| Yield Strength | ≥160 MPa | ASTM/GB |
| Elongation | ≥8% | ASTM/GB |
| Hardness | 65 HV | HV |
| Density | 1.80 g/cm³ | 20°C |
Key Features
- Good mechanical properties
- Suitable for industrial applications
- Good machinability
- Cost-effective
Applications
- Industrial components
- Automotive parts
- Machine tool components
- Structural applications
Machinability
AZ31B has good machinability. Recommended: Carbide tools, appropriate cutting parameters, adequate coolant.
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