ACI/CAST
GRADE
CAST ASTM CAST EN/DIN CAST UNS WROUGHT
UNS
WROUGHT
GRADE
CA15M A743 J91151
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C Cr Ni Mo Other PREn
0.10 12.5 <1.0 0.5
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] Rm [MPa] A % Hardness [HB] Impact [J]
450 620 18 170-240 30
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]
Martensitic 7.61
WORKING CONDITIONS / FABRICATION
Heat Treatment Weldability Machinability [100 = CF8M] Patternmaker’s Shrinkage [%]
Hardened and Tempered Satisfactory 100 2
Categoria: Martensitic
ACI/CAST
GRADE
CA15M
CAST ASTM A743
CAST EN/DIN
CAST UNS J91151
WROUGHT
UNS
WROUGHT
GRADE
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C 0.10
Cr 12.5
Ni <1.0
Mo 0.5
Other
PREn
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] 450
Rm [MPa] 620
A % 18
Hardness [HB] 170-240
Impact [J] 30
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructure Martensitic
ρ [kg/dm3] 7.61
α [μm/m∙K] (20 – 100 °C)
K [W/m∙K]
Cp [J/kg∙K]
Melting ΔT [°C]
WORKING CONDITIONS / FABRICATION
Heat Treatment Hardened and Tempered
Weldability Satisfactory
Machining 100
Patternmaker’s Shrinkage [%] 2

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