ASTM Grade HT (15Cr-35Ni, N08605) Cast Stainless Steel
Austenitic & General Stainless Steels
Property Overview
Density8g/cm³
Elastic Modulus190GPa
Tensile Strength500MPa
Yield Strength270MPa
Brinell Hardness150HB
Maximum Service Temperature1010°C
Chemical Composition
C
0.35 to 0.75%
CR
15 to 19%
NI
33 to 37%
MO
0 to 0.5%
MN
0 to 2.0%
SI
0 to 2.5%
P
0 to 0.040%
S
0 to 0.040%
FE
38.2 to 51.7%
Mechanical
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
4.6 %
Fatigue Strength
130 MPa
Poisson's Ratio
0.28
Shear Modulus
76 GPa
Tensile Strength: Ultimate (UTS)
500 MPa
Tensile Strength: Yield (Proof)
270 MPa
Hardness
Brinell Hardness
150
Physical
Density
8.0 g/cm 3
Thermal
Latent Heat of Fusion
310 J/g
Maximum Temperature: Corrosion
400 °C
Maximum Temperature: Mechanical
1010 °C
Melting Completion (Liquidus)
1390 °C
Melting Onset (Solidus)
1340 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
12 W/m-K
Thermal Diffusivity
3.2 mm 2 /s
Thermal Expansion
15 µm/m-K
Thermal Shock Resistance
12 points
Electrical
Electrical Conductivity: Equal Volume
1.7 % IACS
Electrical Conductivity: Equal Weight (Specific)
1.9 % IACS
Calculated
PREN (Pitting Resistance)
18
Resilience: Ultimate (Unit Rupture Work)
19 MJ/m 3
Resilience: Unit (Modulus of Resilience)
180 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
18 points
Strength to Weight: Bending
18 points
Environmental
Base Metal Price
31 % relative
Embodied Carbon
5.4 kg CO 2 /kg material
Embodied Energy
76 MJ/kg
Embodied Energy
76 MJ/kg 33 x 10 3 BTU/lb
Embodied Water
190 L/kg
Embodied Water
190 L/kg 22 gal/lb
Registered Designations & Aliases
15Cr-35NiASTM Grade HT (15Cr-35Ni, N08605) Cast Stainless SteelN08605
Standards
ASTM A297 ASTM A297: Standard Specification for Steel Castings, Iron-Chromium and Iron-Chromium-Nickel, Heat Resistant, for General Application