Categoria: | Duplex/Superduplex | ||||
---|---|---|---|---|---|
ACI/CAST GRADE |
CD3MWCuN, 6A | ||||
CAST ASTM | A890, A995 | ||||
CAST EN/DIN | – | ||||
CAST UNS | J93380 | ||||
WROUGHT UNS |
S39276 | ||||
WROUGHT GRADE |
ZERON 100®, F55 | ||||
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES) | |||||
C | <0.03 | ||||
Cr | 25.0 | ||||
Ni | 7.5 | ||||
Mo | 3.5 | ||||
Other | 0.7Cu, 0.7W | ||||
PREn | >40 | ||||
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED) | |||||
Rp0.2[MPa] | 450 | ||||
Rm [MPa] | 690 | ||||
A % | 25 | ||||
Hardness [HB] | 220-280 | ||||
Impact [J] | 100 | ||||
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED) | |||||
Microstructure | Austenoferritic | ||||
ρ [kg/dm3] | 7.75 | ||||
α [μm/m∙K] (20 – 100 °C) | – | ||||
K [W/m∙K] | 15 | ||||
Cp [J/kg∙K] | 500 | ||||
Melting ΔT [°C] | 1418-1459 | ||||
WORKING CONDITIONS / FABRICATION | |||||
Heat Treatment | Solution Annealing | ||||
Weldability | Excellent | ||||
Machining | 67 | ||||
Patternmaker’s Shrinkage [%] | 2.3 |
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