UNS S41041 Stainless Steel
Martensitic Stainless Steels
Property Overview
Density7.8g/cm³
Elastic Modulus190GPa
Tensile Strength910MPa
Yield Strength580MPa
Brinell Hardness240HB
Maximum Service Temperature740°C
Chemical Composition
C
0.13 to 0.18%
CR
11.5 to 13%
NI
0 to 0.5%
MO
0 to 0.2%
MN
0.4 to 0.6%
SI
0 to 0.5%
P
0 to 0.030%
S
0 to 0.030%
NB
0.15 to 0.45%
AL
0 to 0.050%
FE
84.5 to 87.8%
Mechanical
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
17 %
Fatigue Strength
350 MPa
Impact Strength: V-Notched Charpy
31 J
Poisson's Ratio
0.28
Reduction in Area
56 %
Shear Modulus
76 GPa
Shear Strength
560 MPa
Tensile Strength: Ultimate (UTS)
910 MPa
Tensile Strength: Yield (Proof)
580 MPa
Hardness
Brinell Hardness
240
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
270 J/g
Maximum Temperature: Corrosion
430 °C
Maximum Temperature: Mechanical
740 °C
Melting Completion (Liquidus)
1450 °C
Melting Onset (Solidus)
1410 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
29 W/m-K
Thermal Diffusivity
7.8 mm 2 /s
Thermal Expansion
10 µm/m-K
Thermal Shock Resistance
33 points
Electrical
Electrical Conductivity: Equal Volume
2.9 % IACS
Electrical Conductivity: Equal Weight (Specific)
3.3 % IACS
Calculated
PREN (Pitting Resistance)
13
Resilience: Ultimate (Unit Rupture Work)
140 MJ/m 3
Resilience: Unit (Modulus of Resilience)
860 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
32 points
Strength to Weight: Bending
27 points
Environmental
Base Metal Price
8.5 % relative
Embodied Carbon
2.2 kg CO 2 /kg material
Embodied Energy
31 MJ/kg
Embodied Energy
31 MJ/kg 13 x 10 3 BTU/lb
Embodied Water
100 L/kg
Embodied Water
100 L/kg 12 gal/lb
Registered Designations & Aliases
S41041UNS S41041 Stainless Steel
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 and Weldability of Stainless Steels, John C. Lippold and Damian J. Kotecki, 2005 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