ACI/CAST
GRADE		 CAST ASTM CAST EN/DIN CAST UNS WROUGHT
UNS		 WROUGHT
GRADE
CF3M A351, A743, A744 1.4404/1.4409 X2CrNiMo17-12-2 J92800 S31603 AISI 316L
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C Cr Ni Mo Other PREn
<0.03 17.5 9.5 2.3 –
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] Rm [MPa] A % Hardness [HB] Impact [J]
205 485 30 140-200 120
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 (δ ferrite) 7.75 15 24 445 1302-1451
WORKING CONDITIONS / FABRICATION
Heat Treatment Weldability Machinability [100 = CF8M] Patternmaker’s Shrinkage [%]
Solution Annealing Excellent 100 2.6
Categoria: Austenitic
ACI/CAST
GRADE		 CF3M
CAST ASTM A351, A743, A744
CAST EN/DIN 1.4404/1.4409 X2CrNiMo17-12-2
CAST UNS J92800
WROUGHT
UNS		 S31603
WROUGHT
GRADE		 AISI 316L
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C <0.03
Cr 17.5
Ni 9.5
Mo 2.3
Other –
PREn
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] 205
Rm [MPa] 485
A % 30
Hardness [HB] 140-200
Impact [J] 120
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructure Austenitic (δ ferrite)
ρ [kg/dm3] 7.75
α [μm/m∙K] (20 – 100 °C) 15
K [W/m∙K] 24
Cp [J/kg∙K] 445
Melting ΔT [°C] 1302-1451
WORKING CONDITIONS / FABRICATION
Heat Treatment Solution Annealing
Weldability Excellent
Machining 100
Patternmaker’s Shrinkage [%] 2.6

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