CA40 - Fondinox

ACI/CAST GRADE	CAST ASTM	CAST EN/DIN	CAST UNS	WROUGHT UNS	WROUGHT GRADE
CA40	A743	1.4027 GX20Cr14	J91153	S42000	AISI 420

CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C	Cr	Ni	Mo	Other	PREn
0.20	13.0	<1.0

CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp_0.2[MPa]	Rm [MPa]	A %	Hardness [HB]	Impact [J]
440	590	12	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	10.5	22	451	1425-1455

WORKING CONDITIONS / FABRICATION
Heat Treatment	Weldability	Machinability [100 = CF8M]	Patternmaker’s Shrinkage [%]
Quenched and tempered	Acceptable with precautions	Satisfactory	2.0%

CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
Categoria:	Martensitic
ACI/CAST GRADE	CA40
CAST ASTM	A743
CAST EN/DIN	1.4027 GX20Cr14
CAST UNS	J91153
WROUGHT UNS	S42000
WROUGHT GRADE	AISI 420
C	0.20
Cr	13.0
Ni	<1.0
Mo
Other
PREn
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp_0.2[MPa]	440
Rm [MPa]	590
A %	12
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)	10.5
K [W/m∙K]	22
Cp [J/kg∙K]	451
Melting ΔT [°C]	1425-1455
WORKING CONDITIONS / FABRICATION
Heat Treatment	Quenched and tempered
Weldability	Acceptable with precautions
Machining	Satisfactory
Patternmaker’s Shrinkage [%]	2.0%