AISI 441 (S44100) Stainless Steel
Ferritic Stainless Steels
Property Overview
Density7.7g/cm³
Elastic Modulus200GPa
Tensile Strength470MPa
Yield Strength270MPa
Brinell Hardness170HB
Maximum Service Temperature910°C
Chemical Composition
C
0 to 0.030%
CR
17.5 to 19.5%
NI
0 to 1.0%
MN
0 to 1.0%
SI
0 to 1.0%
N
0 to 0.030%
P
0 to 0.040%
S
0 to 0.030%
NB
0.3 to 0.9%
TI
0.1 to 0.5%
FE
76 to 82.2%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
23 %
Fatigue Strength
180 MPa
Poisson's Ratio
0.28
Shear Modulus
77 GPa
Shear Strength
300 MPa
Tensile Strength: Ultimate (UTS)
470 MPa
Tensile Strength: Yield (Proof)
270 MPa
Hardness
Brinell Hardness
170
Rockwell B Hardness
77
Physical
Density
7.7 g/cm 3
Thermal
Latent Heat of Fusion
280 J/g
Maximum Temperature: Corrosion
550 °C
Maximum Temperature: Mechanical
910 °C
Melting Completion (Liquidus)
1440 °C
Melting Onset (Solidus)
1400 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
23 W/m-K
Thermal Diffusivity
6.1 mm 2 /s
Thermal Expansion
10 µm/m-K
Thermal Shock Resistance
16 points
Electrical
Electrical Conductivity: Equal Volume
2.7 % IACS
Electrical Conductivity: Equal Weight (Specific)
3.1 % IACS
Calculated
PREN (Pitting Resistance)
19
Resilience: Ultimate (Unit Rupture Work)
92 MJ/m 3
Resilience: Unit (Modulus of Resilience)
190 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
17 points
Strength to Weight: Bending
17 points
Environmental
Base Metal Price
13 % relative
Embodied Carbon
2.8 kg CO 2 /kg material
Embodied Energy
41 MJ/kg
Embodied Energy
41 MJ/kg 18 x 10 3 BTU/lb
Embodied Water
130 L/kg
Embodied Water
130 L/kg 15 gal/lb
Registered Designations & Aliases
441AISI 441AISI 441 (S44100) Stainless SteelS44100
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