RS-320

RS-320 is a novel Al-Si-Cu alloy with high processability via powder bed fusion. The alloy can be used both after annealing or T6 temper. Heat treatment improves the elongation and decreases internal stresses which may cause distortion. T6 temper ensures better fatigue performance, with slightly lower strength. Building rates are equal or better than ones for AlSi10Mg alloy. RS-320 alloy can be used as the substitution of traditional casting and some wrought aluminium alloys with medium strength.

MECHANICAL PROPERTIES (printed parts)*

Elastic modulus E, GPa  XY

69 ± 2

Elastic modulus E, GPa  Z

69 ± 2

UTS (s В), MPa  XY

470 ± 20

UTS (s В), MPa  Z

460 ± 10

TYS (s 0,2), MPa  XY

350 ± 10

TYS (s 0,2), MPa  Z

340 ± 10

Elongation (5), %

2.0 ± 1.0

Hardness, HV

145 ± 4

Porosity, vol, %

0,25

(*) This data sheet contains approximate values which can’t be used for the design or quality control purposes. Results are obtained after printing with EOS M290 printer and CNC machining and can vary depending on part design or geometry and used 3D printing system. Each user is responsible for determining that the material is safe, lawful and technical suitable for the intended use, laws and regulations. Exports to some countries may require a export permission.

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