ACI/CAST
GRADE		 CAST ASTM CAST EN/DIN CAST UNS WROUGHT
UNS		 WROUGHT
GRADE
CW6MC A494 2.4856 NiCr22Mo9Nb N26625 N06625 INCONEL 625
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C Cr Ni Mo Other PREn
<0.06 21.5 Bal. 8.5 Fe<5.0, 3.5Nb –
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] Rm [MPa] A % Hardness [HB] Impact [J]
275 485 25 160-240 70
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]
Austenitic, (Intermetallics) 8.44 12 9.2 410 1290-1350
WORKING CONDITIONS / FABRICATION
Heat Treatment Weldability Machinability [100 = CF8M] Patternmaker’s Shrinkage [%]
Solution Annealing Satisfactory 1.8
Categoria: Nickel Base
ACI/CAST
GRADE		 CW6MC
CAST ASTM A494
CAST EN/DIN 2.4856 NiCr22Mo9Nb
CAST UNS N26625
WROUGHT
UNS		 N06625
WROUGHT
GRADE		 INCONEL 625
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C <0.06
Cr 21.5
Ni Bal.
Mo 8.5
Other Fe<5.0, 3.5Nb
PREn –
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] 275
Rm [MPa] 485
A % 25
Hardness [HB] 160-240
Impact [J] 70
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructure Austenitic, (Intermetallics)
ρ [kg/dm3] 8.44
α [μm/m∙K] (20 – 100 °C) 12
K [W/m∙K] 9.2
Cp [J/kg∙K] 410
Melting ΔT [°C] 1290-1350
WORKING CONDITIONS / FABRICATION
Heat Treatment Solution Annealing
Weldability Satisfactory
Machining
Patternmaker’s Shrinkage [%] 1.8

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