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Magnesium Alloy AZ31B

Metal

Magnesium Alloy AZ31B

AZ31B | MgAl3Zn1

ProcessCNC Machining

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* Property values are for reference and may vary by alloy, temper, and processing conditions.

Magnesium Alloy AZ31B is a wrought magnesium alloy featuring outstanding elongation and impact toughness, which is suitable for hot forming processes such as stamping, bending, and deep drawing to produce complex structural components. It also exhibits excellent plastic workability, enabling fabrication into sheets, profiles, and forgings through rolling, extrusion, and forging processes.

Material Properties

Mechanical Properties

  • Yield strength

    200 - 220 MPa

  • Tensile strength

    240–260 MPa

  • Elongation

    12 - 18%

  • Hardness

    55 - 65 HB

  • Young's modulus

    45 GPa

Thermal properties

  • Maximum operating temperature

    100 - 120°C

  • Thermal conductivity

    76 - 96 W/m·K(20°C)

  • Coefficient of thermal expansion

    26 - 27 μm/m·K(20-100°C)

Physical Properties

  • Density

    1.77 g/cm³

Electrical properties

  • Electrical resistivity

    9 - 11 μΩ·m(20°C)

Manufacturability

  • Manufacturability-Corrosion resistance

    Poor to Moderate

  • Manufacturability-Weldability

    Poor to Fair

Shenzhen

Building A, Jinsheng Finance Building, No. 217 Nanhuan Road, Bao'an District.

Hong Kong

MAKE DIRECT HOLDINGS LIMITED Unit 1111, 11/F, Hollywood Plaza, 610 Nathan Road, Mong Kok, Kowloon, Hong Kong