UNS S44537 Stainless Steel
Ferritic Stainless Steels
Property Overview
Density7.9g/cm³
Elastic Modulus200GPa
Tensile Strength510MPa
Yield Strength360MPa
Brinell Hardness180HB
Maximum Service Temperature1000°C
Chemical Composition
C
0 to 0.030%
CR
20 to 24%
NI
0 to 0.5%
MN
0 to 0.8%
SI
0.1 to 0.6%
N
0 to 0.040%
P
0 to 0.050%
S
0 to 0.0060%
CU
0 to 0.5%
NB
0.2 to 1.0%
TI
0.020 to 0.2%
AL
0 to 0.1%
W
1.0 to 3.0%
LA
0.040 to 0.2%
FE
69 to 78.6%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
21 %
Fatigue Strength
230 MPa
Poisson's Ratio
0.27
Shear Modulus
79 GPa
Shear Strength
320 MPa
Tensile Strength: Ultimate (UTS)
510 MPa
Tensile Strength: Yield (Proof)
360 MPa
Hardness
Brinell Hardness
180
Rockwell B Hardness
80
Physical
Density
7.9 g/cm 3
Thermal
Latent Heat of Fusion
290 J/g
Maximum Temperature: Corrosion
530 °C
Maximum Temperature: Mechanical
1000 °C
Melting Completion (Liquidus)
1480 °C
Melting Onset (Solidus)
1430 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
21 W/m-K
Thermal Diffusivity
5.6 mm 2 /s
Thermal Expansion
11 µm/m-K
Thermal Shock Resistance
17 points
Electrical
Electrical Conductivity: Equal Volume
2.6 % IACS
Electrical Conductivity: Equal Weight (Specific)
3.0 % IACS
Calculated
PREN (Pitting Resistance)
26
Resilience: Ultimate (Unit Rupture Work)
95 MJ/m 3
Resilience: Unit (Modulus of Resilience)
320 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
18 points
Strength to Weight: Bending
18 points
Environmental
Base Metal Price
19 % relative
Embodied Carbon
3.4 kg CO 2 /kg material
Embodied Energy
50 MJ/kg
Embodied Energy
50 MJ/kg 21 x 10 3 BTU/lb
Embodied Water
140 L/kg
Embodied Water
140 L/kg 17 gal/lb
Registered Designations & Aliases
S44537UNS S44537 Stainless Steel
Standards
ASTM A240 ASTM A240: Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
ASTM A240 ASTM A240: Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications Welding Metallurgy and Weldability of Stainless Steels, John C. Lippold and Damian J. Kotecki, 2005 Pressure Vessels: External Pressure Technology, 2nd ed., Carl T. F. Ross, 2011 Corrosion of Stainless Steels, A. John Sedriks, 1996