ASTM Grade HE (29Cr-9Ni, J93403) Cast Stainless Steel
Austenitic & General Stainless Steels
Property Overview
Density7.7g/cm³
Elastic Modulus200GPa
Tensile Strength670MPa
Yield Strength310MPa
Brinell Hardness190HB
Maximum Service Temperature1100°C
Chemical Composition
C
0.2 to 0.5%
CR
26 to 30%
NI
8.0 to 11%
MO
0 to 0.5%
MN
0 to 2.0%
SI
0 to 2.0%
P
0 to 0.040%
S
0 to 0.040%
FE
53.9 to 65.8%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
10 %
Fatigue Strength
160 MPa
Poisson's Ratio
0.27
Shear Modulus
79 GPa
Tensile Strength: Ultimate (UTS)
670 MPa
Tensile Strength: Yield (Proof)
310 MPa
Hardness
Brinell Hardness
190
Physical
Density
7.7 g/cm 3
Thermal
Latent Heat of Fusion
310 J/g
Maximum Temperature: Corrosion
450 °C
Maximum Temperature: Mechanical
1100 °C
Melting Completion (Liquidus)
1400 °C
Melting Onset (Solidus)
1360 °C
Specific Heat Capacity
490 J/kg-K
Thermal Conductivity
14 W/m-K
Thermal Diffusivity
3.6 mm 2 /s
Thermal Expansion
17 µm/m-K
Thermal Shock Resistance
14 points
Electrical
Electrical Conductivity: Equal Volume
2.1 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.5 % IACS
Calculated
PREN (Pitting Resistance)
29
Resilience: Ultimate (Unit Rupture Work)
56 MJ/m 3
Resilience: Unit (Modulus of Resilience)
240 kJ/m 3
Stiffness to Weight: Axial
15 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
24 points
Strength to Weight: Bending
22 points
Environmental
Base Metal Price
19 % relative
Embodied Carbon
3.5 kg CO 2 /kg material
Embodied Energy
50 MJ/kg
Embodied Energy
50 MJ/kg 22 x 10 3 BTU/lb
Embodied Water
190 L/kg
Embodied Water
190 L/kg 22 gal/lb
Registered Designations & Aliases
29Cr-9NiASTM Grade HE (29Cr-9Ni, J93403) Cast Stainless SteelJ93403
Standards
ASTM A297 ASTM A297: Standard Specification for Steel Castings, Iron-Chromium and Iron-Chromium-Nickel, Heat Resistant, for General Application
ASTM A297 ASTM A297: Standard Specification for Steel Castings, Iron-Chromium and Iron-Chromium-Nickel, Heat Resistant, for General Application Welding Metallurgy and Weldability of Stainless Steels, John C. Lippold and Damian J. Kotecki, 2005