Categoria: | Austenitic | ||||
---|---|---|---|---|---|
ACI/CAST GRADE |
CG6MMN | ||||
CAST ASTM | A351, A743 | ||||
CAST EN/DIN | – | ||||
CAST UNS | J93790 | ||||
WROUGHT UNS |
S20910 | ||||
WROUGHT GRADE |
NITRONIC 50® | ||||
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES) | |||||
C | <0.06 | ||||
Cr | 22.0 | ||||
Ni | 12.5 | ||||
Mo | 2.0 | ||||
Other | 5.0Mn, 0.3N, 0.2V, 0.2Nb | ||||
PREn | |||||
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED) | |||||
Rp0.2[MPa] | 295 | ||||
Rm [MPa] | 585 | ||||
A % | 30 | ||||
Hardness [HB] | 150-220 | ||||
Impact [J] | 120 | ||||
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED) | |||||
Microstructure | Austenitic | ||||
ρ [kg/dm3] | 7.75 | ||||
α [μm/m∙K] (20 – 100 °C) | 16 | ||||
K [W/m∙K] | – | ||||
Cp [J/kg∙K] | – | ||||
Melting ΔT [°C] | 1415-1450 | ||||
WORKING CONDITIONS / FABRICATION | |||||
Heat Treatment | Solution Annealing | ||||
Weldability | Satisfactory | ||||
Machining | 91 | ||||
Patternmaker’s Shrinkage [%] | 2.6 |
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