253MA® - Fondinox

ACI/CAST GRADE	CAST ASTM	CAST EN/DIN	CAST UNS	WROUGHT UNS	WROUGHT GRADE
–	–	1.4893 X8CrNiN21-11	–	S30815	253MA®

CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C	Cr	Ni	Mo	Other	PREn
<0.20	21.0	11.0	–	Ce

CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp_0.2[MPa]	Rm [MPa]	A %	Hardness [HB]	Impact [J]
260	530	20	–	–

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, Carbides	7.75	–	–	–	–

WORKING CONDITIONS / FABRICATION
Heat Treatment	Weldability	Machinability [100 = CF8M]	Patternmaker’s Shrinkage [%]
As Cast	Very Good	–	2.4

CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
Categoria:	Outokumpu Oy
ACI/CAST GRADE	–
CAST ASTM	–
CAST EN/DIN	1.4893 X8CrNiN21-11
CAST UNS	–
WROUGHT UNS	S30815
WROUGHT GRADE	253MA®
C	<0.20
Cr	21.0
Ni	11.0
Mo	–
Other	Ce
PREn
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp_0.2[MPa]	260
Rm [MPa]	530
A %	20
Hardness [HB]	–
Impact [J]	–
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructure	Austenitic, Carbides
ρ [kg/dm³]	7.75
α [μm/m∙K] (20 – 100 °C)	–
K [W/m∙K]	–
Cp [J/kg∙K]	–
Melting ΔT [°C]	–
WORKING CONDITIONS / FABRICATION
Heat Treatment	As Cast
Weldability	Very Good
Machining	–
Patternmaker’s Shrinkage [%]	2.4