UNS S40930 Stainless Steel
Ferritic Stainless Steels
Property Overview
Density7.8g/cm³
Elastic Modulus190GPa
Tensile Strength430MPa
Yield Strength190MPa
Brinell Hardness160HB
Maximum Service Temperature710°C
Chemical Composition
C
0 to 0.030%
CR
10.5 to 11.7%
NI
0 to 0.5%
MN
0 to 1.0%
SI
0 to 1.0%
N
0 to 0.030%
P
0 to 0.040%
S
0 to 0.020%
NB
0.080 to 0.75%
TI
0.050 to 0.2%
FE
84.7 to 89.4%
Mechanical
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
23 %
Fatigue Strength
130 MPa
Poisson's Ratio
0.28
Shear Modulus
75 GPa
Shear Strength
270 MPa
Tensile Strength: Ultimate (UTS)
430 MPa
Tensile Strength: Yield (Proof)
190 MPa
Hardness
Brinell Hardness
160
Rockwell B Hardness
76
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
270 J/g
Maximum Temperature: Corrosion
460 °C
Maximum Temperature: Mechanical
710 °C
Melting Completion (Liquidus)
1450 °C
Melting Onset (Solidus)
1410 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
25 W/m-K
Thermal Diffusivity
6.7 mm 2 /s
Thermal Expansion
10 µm/m-K
Thermal Shock Resistance
16 points
Electrical
Electrical Conductivity: Equal Volume
2.9 % IACS
Electrical Conductivity: Equal Weight (Specific)
3.3 % IACS
Calculated
PREN (Pitting Resistance)
11
Resilience: Ultimate (Unit Rupture Work)
80 MJ/m 3
Resilience: Unit (Modulus of Resilience)
94 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
16 points
Strength to Weight: Bending
16 points
Environmental
Base Metal Price
8.5 % relative
Embodied Carbon
2.3 kg CO 2 /kg material
Embodied Energy
32 MJ/kg
Embodied Energy
32 MJ/kg 14 x 10 3 BTU/lb
Embodied Water
94 L/kg
Embodied Water
94 L/kg 11 gal/lb
Registered Designations & Aliases
S40930UNS S40930 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 A959 ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels