UNS S44625 Stainless Steel
Ferritic Stainless Steels
Property Overview
Density7.7g/cm³
Elastic Modulus200GPa
Tensile Strength590MPa
Yield Strength360MPa
Brinell HardnessUnknown
Maximum Service Temperature1100°C
Chemical Composition
C
0 to 0.010%
CR
25 to 27.5%
NI
0 to 0.5%
MO
0.75 to 1.5%
MN
0 to 0.4%
SI
0 to 0.4%
N
0 to 0.015%
P
0 to 0.020%
S
0 to 0.020%
CU
0 to 0.2%
FE
69.4 to 74.3%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
22 %
Fatigue Strength
240 MPa
Poisson's Ratio
0.27
Shear Modulus
80 GPa
Shear Strength
370 MPa
Tensile Strength: Ultimate (UTS)
590 MPa
Tensile Strength: Yield (Proof)
360 MPa
Physical
Density
7.7 g/cm 3
Thermal
Latent Heat of Fusion
290 J/g
Maximum Temperature: Corrosion
450 °C
Maximum Temperature: Mechanical
1100 °C
Melting Completion (Liquidus)
1440 °C
Melting Onset (Solidus)
1400 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
17 W/m-K
Thermal Diffusivity
4.6 mm 2 /s
Thermal Expansion
11 µm/m-K
Thermal Shock Resistance
19 points
Electrical
Electrical Conductivity: Equal Volume
2.2 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.6 % IACS
Calculated
PREN (Pitting Resistance)
30
Resilience: Ultimate (Unit Rupture Work)
110 MJ/m 3
Resilience: Unit (Modulus of Resilience)
310 kJ/m 3
Stiffness to Weight: Axial
15 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
21 points
Strength to Weight: Bending
20 points
Environmental
Base Metal Price
14 % relative
Embodied Carbon
2.8 kg CO 2 /kg material
Embodied Energy
39 MJ/kg
Embodied Energy
39 MJ/kg 17 x 10 3 BTU/lb
Embodied Water
160 L/kg
Embodied Water
160 L/kg 19 gal/lb
Registered Designations & Aliases
S44625UNS S44625 Stainless Steel
Standards
ASTM A493 ASTM A493: Standard Specification for Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging
ASTM A493 ASTM A493: Standard Specification for Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging Machining of Stainless Steels and Super Alloys: Traditional and Nontraditional Techniques, Helmi A. Youssef, 2016