ACI/CAST
GRADE		 CAST ASTM CAST EN/DIN CAST UNS WROUGHT
UNS		 WROUGHT
GRADE
CD3MWCuN, 6A A890, A995 – J93380 S39276 ZERON 100®, F55
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C Cr Ni Mo Other PREn
<0.03 25.0 7.5 3.5 0.7Cu, 0.7W >40
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] Rm [MPa] A % Hardness [HB] Impact [J]
450 690 25 220-280 100
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructure ρ [kg/dm3] α [μm/m∙K] (20 – 100 °C) K [W/m∙K] Cp [J/kg∙K] Melting ΔT [°C]
Austenoferritic 7.75 – 15 500 1418-1459
WORKING CONDITIONS / FABRICATION
Heat Treatment Weldability Machinability [100 = CF8M] Patternmaker’s Shrinkage [%]
Solution Annealing Excellent 67 2.3
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

Fondinox S.p.A © – All rights reserved