ASTM A436 Type 2b (L-NiCr 20 3, F41003) Cast Iron
Cast Iron
Property Overview
Density7.8g/cm³
Elastic Modulus180GPa
Tensile Strength230MPa
Yield Strength120MPa
Brinell Hardness210HB
Maximum Service TemperatureUnknown
Chemical Composition
C
0 to 3.0%
CR
3.0 to 6.0%
NI
18 to 22%
MN
0.5 to 1.5%
SI
1.0 to 2.8%
S
0 to 0.12%
CU
0 to 0.5%
FE
64.1 to 77.5%
Mechanical
Elastic (Young's, Tensile) Modulus
180 GPa
Elongation at Break
8.5 %
Poisson's Ratio
0.29
Shear Modulus
72 GPa
Tensile Strength: Ultimate (UTS)
230 MPa
Tensile Strength: Yield (Proof)
120 MPa
Hardness
Brinell Hardness
210
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
290 J/g
Melting Completion (Liquidus)
1390 °C
Melting Onset (Solidus)
1350 °C
Specific Heat Capacity
480 J/kg-K
Thermal Expansion
14 µm/m-K
Thermal Shock Resistance
6.5 points
Calculated
PREN (Pitting Resistance)
4.5
Resilience: Ultimate (Unit Rupture Work)
17 MJ/m 3
Resilience: Unit (Modulus of Resilience)
41 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
8.2 points
Strength to Weight: Bending
11 points
Environmental
Base Metal Price
16 % relative
Embodied Carbon
3.5 kg CO 2 /kg material
Embodied Energy
49 MJ/kg
Embodied Energy
49 MJ/kg 21 x 10 3 BTU/lb
Embodied Water
100 L/kg
Embodied Water
100 L/kg 12 gal/lb
Registered Designations & Aliases
ASTM A436 Type 2b (L-NiCr 20 3, F41003) Cast IronF41003L-NiCr 20 3
Standards
ASTM A436 ASTM A436: Standard Specification for Austenitic Gray Iron Castings
ASTM A436 ASTM A436: Standard Specification for Austenitic Gray Iron Castings ISO 2892: Austenitic Cast Irons - Classification Cast Iron: Physical and Engineering Properties, Harold T. Angus, 1976
ISO 2892 ISO 2892: Austenitic Cast Irons - Classification