ASTM Grade HI (28Cr-15Ni, J94003) Cast Stainless Steel
Austenitic & General Stainless Steels
Property Overview
Density7.8g/cm³
Elastic Modulus200GPa
Tensile Strength550MPa
Yield Strength270MPa
Brinell Hardness160HB
Maximum Service Temperature1100°C
Chemical Composition
C
0.2 to 0.5%
CR
26 to 30%
NI
14 to 18%
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
46.9 to 59.8%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
11 %
Fatigue Strength
150 MPa
Poisson's Ratio
0.27
Shear Modulus
79 GPa
Tensile Strength: Ultimate (UTS)
550 MPa
Tensile Strength: Yield (Proof)
270 MPa
Hardness
Brinell Hardness
160
Physical
Density
7.8 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)
1350 °C
Specific Heat Capacity
490 J/kg-K
Thermal Conductivity
15 W/m-K
Thermal Diffusivity
3.9 mm 2 /s
Thermal Expansion
17 µm/m-K
Thermal Shock Resistance
12 points
Electrical
Electrical Conductivity: Equal Volume
2.1 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.4 % IACS
Calculated
PREN (Pitting Resistance)
29
Resilience: Ultimate (Unit Rupture Work)
52 MJ/m 3
Resilience: Unit (Modulus of Resilience)
180 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
20 points
Strength to Weight: Bending
19 points
Environmental
Base Metal Price
23 % relative
Embodied Carbon
4.1 kg CO 2 /kg material
Embodied Energy
59 MJ/kg
Embodied Energy
59 MJ/kg 25 x 10 3 BTU/lb
Embodied Water
200 L/kg
Embodied Water
200 L/kg 24 gal/lb
Registered Designations & Aliases
28Cr-15NiASTM Grade HI (28Cr-15Ni, J94003) Cast Stainless SteelJ94003
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