UNS S64512 (XM-32) Stainless Steel
Martensitic Stainless Steels
Property Overview
Density7.8g/cm³
Elastic Modulus200GPa
Tensile Strength1140MPa
Yield Strength890MPa
Brinell Hardness330HB
Maximum Service Temperature750°C
Chemical Composition
C
0.080 to 0.15%
CR
11 to 12.5%
NI
2.0 to 3.0%
MO
1.5 to 2.0%
MN
0.5 to 0.9%
SI
0 to 0.35%
N
0.010 to 0.050%
P
0 to 0.025%
S
0 to 0.025%
V
0.25 to 0.4%
FE
80.6 to 84.7%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
17 %
Fatigue Strength
540 MPa
Impact Strength: V-Notched Charpy
47 J
Poisson's Ratio
0.28
Reduction in Area
34 %
Shear Modulus
76 GPa
Shear Strength
700 MPa
Tensile Strength: Ultimate (UTS)
1140 MPa
Tensile Strength: Yield (Proof)
890 MPa
Hardness
Brinell Hardness
330
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
270 J/g
Maximum Temperature: Corrosion
390 °C
Maximum Temperature: Mechanical
750 °C
Melting Completion (Liquidus)
1460 °C
Melting Onset (Solidus)
1420 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
28 W/m-K
Thermal Diffusivity
7.5 mm 2 /s
Thermal Expansion
10 µm/m-K
Thermal Shock Resistance
42 points
Electrical
Electrical Conductivity: Equal Volume
3.6 % IACS
Electrical Conductivity: Equal Weight (Specific)
4.1 % IACS
Calculated
PREN (Pitting Resistance)
18
Resilience: Ultimate (Unit Rupture Work)
180 MJ/m 3
Resilience: Unit (Modulus of Resilience)
2020 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
40 points
Strength to Weight: Bending
31 points
Environmental
Base Metal Price
10 % relative
Embodied Carbon
3.3 kg CO 2 /kg material
Embodied Energy
47 MJ/kg
Embodied Energy
47 MJ/kg 20 x 10 3 BTU/lb
Embodied Water
110 L/kg
Embodied Water
110 L/kg 13 gal/lb
Registered Designations & Aliases
S64512UNS S64512 (XM-32) Stainless SteelXM-32
Standards
ASTM A565 ASTM A565: Standard Specification for Martensitic Stainless Steel Bars for High-Temperature Service
ASTM A565 ASTM A565: Standard Specification for Martensitic Stainless Steel Bars for High-Temperature Service Welding Metallurgy of Stainless Steels, Erich Folkhard et al., 2012 ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels Corrosion of Stainless Steels, A. John Sedriks, 1996
ASTM A959 ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels