OEM 6151 Aluminum Metal Parts For Airplane Engine Box Metal Aluminum Forging

Physical Properties

Original Value

Comments

Density

2.71 g/cc

AA; Typical

Mechanical Properties

Original Value

Comments

Hardness, Brinell

100

500 kg load with 10 mm ball

Hardness, Knoop

126

Converted from Brinell Hardness Number

Hardness, Rockwell A

41.3

Converted from Brinell Hardness Value

Hardness, Rockwell B

63

Converted from Brinell Hardness Value

Hardness, Vickers

112

Converted from Brinell Hardness Value

Tensile Strength, Ultimate

290 MPa

Rolled rings; Radial; T6 and T652

303 MPa

Die forgings; Axis parallel to grain flow

303 MPa

Die forgings; Axis not parallel to grain flow

303 MPa

Rolled rings; Tangential; T6 and T652

303 MPa

Rolled rings; Axial; T6 and T652

330 MPa

28.0 MPa
@Temperature 371 °C

34.0 MPa
@Temperature 316 °C

45.0 MPa
@Temperature 260 °C

95.0 MPa
@Temperature 204 °C

195 MPa
@Temperature 149 °C

295 MPa
@Temperature 100 °C

330 MPa
@Temperature 24.0 °C

340 MPa
@Temperature -28.0 °C

345 MPa
@Temperature -80.0 °C

395 MPa
@Temperature -196 °C

Tensile Strength, Yield

241 MPa

Rolled rings; Axial; T6 and T652

241 MPa

Rolled rings; Radial; T6 and T652

255 MPa

Die forgings; Axis parallel to grain flow

255 MPa

Die forgings; Axis not parallel to grain flow

255 MPa

Rolled rings; Tangential; T6 and T652

295 MPa

22.0 MPa
@Strain 0.200 %,
Temperature 371 °C

27.0 MPa
@Strain 0.200 %,
Temperature 316 °C

34.0 MPa
@Strain 0.200 %,
Temperature 260 °C

85.0 MPa
@Strain 0.200 %,
Temperature 204 °C

185 MPa
@Strain 0.200 %,
Temperature 149 °C

275 MPa
@Strain 0.200 %,
Temperature 100 °C

298 MPa
@Strain 0.200 %,
Temperature 24.0 °C

310 MPa
@Strain 0.200 %,
Temperature -28.0 °C

315 MPa
@Strain 0.200 %,
Temperature -80.0 °C

345 MPa
@Strain 0.200 %,
Temperature -196 °C

Elongation at Break

2.0 %

Rolled rings; Radial; T6 and T652

4.0 %

Rolled rings; Axial; T6 and T652

5.0 %

Rolled rings; Tangential; T6 and T652

6.0 %

Die forgings; Axis not parallel to grain flow

10 %

Die forgings; Axis parallel to grain flow

17 %
@Temperature -80.0 °C

17 %
@Temperature -28.0 °C

17 %
@Temperature 24.0 °C

17 %
@Temperature 100 °C

20 %
@Temperature -196 °C

20 %
@Temperature 149 °C

30 %
@Temperature 204 °C

35 %
@Temperature 371 °C

43 %
@Temperature 316 °C

50 %
@Temperature 260 °C

17 %
@Thickness 1.60 mm

In 5 cm

Modulus of Elasticity

69.0 GPa

Average of Tension and Compression. In Al alloys, the compressive modulus is typically 2% greater than the tensile modulus. Estimated from trends in similar Al alloys.

Poissons Ratio

0.33

Estimated from trends in similar Al alloys.

Fatigue Strength

85.0 MPa
@# of Cycles 5.00e+8

Shear Modulus

26.0 GPa

Estimated from similar Al alloys.

Shear Strength

220 MPa

Electrical Properties

Original Value

Comments

Electrical Resistivity

23.0 ohm-cir-mil/ft
@Temperature 20.0 °C

AA; Typical

Thermal Properties

Original Value

Comments

CTE, linear

12.9 µin/in-°F
@Temperature 20.0 - 100 °C

AA; Typical; average over range

21.8 µm/m-°C
@Temperature -50.0 - 20.0 °C

23.0 µm/m-°C
@Temperature 20.0 - 100 °C

24.1 µm/m-°C
@Temperature 20.0 - 200 °C

25.0 µm/m-°C
@Temperature 20.0 - 300 °C

Specific Heat Capacity

0.895 J/g-°C

Thermal Conductivity

1190 BTU-in/hr-ft²-°F

AA; Typical at 77°F

Melting Point

1090 - 1200 °F

AA; Typical range based on typical composition for wrought products >= 1/4 in. thickness. Eutectic melting can be eliminated by homogenization.

Solidus

1090 °F

AA; Typical

Liquidus

1200 °F

AA; Typical

Processing Properties

Original Value

Comments

Annealing Temperature

775 °F

hold at temperature 2 to 3 hr; furnace cool to 500°F at 50°F per hour max

Solution Temperature

950 - 975 °F

hold at temperature for 4 min, and quench in cold water; for heavy or complicated forgings, quench in water at 150 to 212°F

Aging Temperature

300 - 345 °F

hold at temperature 8 to 12 hr

Hot-Working Temperature

500 - 900 °F