ACI/CAST
GRADE
CAST ASTMCAST EN/DINCAST UNSWROUGHT
UNS
WROUGHT
GRADE
HCA2971.4822 GX40CrNiJ92605
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
CCrNiSiOther
0.3828.541.8
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa]Rm [MPa]A %Hardness [HB]Impact [J]
CREEP LIMIT
Creep limit 1% 10.000 hours MPa at °CCreep strength for 100.000 hours MPa at °C
6007008009001000110060070080090010001100
26.011.05.01.5
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructureρ [kg/dm3]α [μm/m∙K] (20 – 100 °C)K [W/m∙K]Cp [J/kg∙K]Melting ΔT [°C]
Ferrite, Austenite, Carbides7.513.3225001438 (L)
WORKING CONDITIONS / FABRICATION
Heat TreatmentMax working T in air [°C]Machinability [100 = CF8M]Patternmaker’s Shrinkage [%]
As Cast10001.5