M660-50D (Norway / NS) Material Properties

Other designations:
Material group: Ferrous Alloys / Magnetic and electrical materials
Country/Standard: Norway / NS

Data updates

Latest Update: 2017-04
Total number of updates: 2
Update History:
2015-11

Mechanical Properties

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Physical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 210 GPa view details
Density 7.8 — 7.85 kg/dm³ view details
Poisson Coefficient 0.27 — 0.3 view details
Modulus of Elasticity 27.6 E+03 — 30.5 E+03 ksi view details
Density 0.282 — 0.284 lb/in³ view details
Poisson Coefficient 0.27 — 0.3 view details

Composition

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Heat Treatments

  • Test strips shall be subjected to a heat treatment in a decarburizing atmosphere at 790 °C (+/- 10°C )and shall be maintained for 2 h at this temperature. The heating rate shall not exceed 200°C/h. The cooling rate from 790°C to 550°C shall not exceed 120°C/h. The gas necessary for decarburization shall consist of 20 vol. % H<sub>2</sub>, 80 vol. % N<sub>2</sub>, with water vapour, the dew-point being + 35°C at atmospheric pressure.