Categoria: | Superaustenitic | ||||
---|---|---|---|---|---|
ACI/CAST GRADE |
CN7MS | ||||
CAST ASTM | A351, A744 | ||||
CAST EN/DIN | – | ||||
CAST UNS | J94650 | ||||
WROUGHT UNS |
– | ||||
WROUGHT GRADE |
– | ||||
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES) | |||||
C | <0.07 | ||||
Cr | 19.0 | ||||
Ni | 23.5 | ||||
Mo | 2.7 | ||||
Other | 1.6Cu, 3.0Si | ||||
PREn | – | ||||
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED) | |||||
Rp0.2[MPa] | 205 | ||||
Rm [MPa] | 485 | ||||
A % | 35 | ||||
Hardness [HB] | 150-220 | ||||
Impact [J] | 50 | ||||
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED) | |||||
Microstructure | Austenitic, (intermetallics) | ||||
ρ [kg/dm3] | 8.0 | ||||
α [μm/m∙K] (20 – 100 °C) | – | ||||
K [W/m∙K] | |||||
Cp [J/kg∙K] | – | ||||
Melting ΔT [°C] | – | ||||
WORKING CONDITIONS / FABRICATION | |||||
Heat Treatment | Solution Annealing | ||||
Weldability | Acceptable with Precautions | ||||
Machining | – | ||||
Patternmaker’s Shrinkage [%] | 2.9 |
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