UNS S33550 Stainless Steel
Austenitic & General Stainless Steels
Property Overview
Density7.8g/cm³
Elastic Modulus200GPa
Tensile Strength680MPa
Yield Strength310MPa
Brinell Hardness190HB
Maximum Service Temperature1100°C
Chemical Composition
C
0.040 to 0.1%
CR
25 to 28%
NI
16.5 to 20%
MN
0 to 1.5%
SI
0 to 1.0%
N
0.18 to 0.25%
P
0 to 0.040%
S
0 to 0.030%
NB
0.050 to 0.15%
CE
0.025 to 0.070%
LA
0.025 to 0.070%
FE
48.8 to 58.2%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
40 %
Fatigue Strength
270 MPa
Poisson's Ratio
0.27
Shear Modulus
79 GPa
Shear Strength
470 MPa
Tensile Strength: Ultimate (UTS)
680 MPa
Tensile Strength: Yield (Proof)
310 MPa
Hardness
Brinell Hardness
190
Rockwell B Hardness
82
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
300 J/g
Maximum Temperature: Corrosion
470 °C
Maximum Temperature: Mechanical
1100 °C
Melting Completion (Liquidus)
1400 °C
Melting Onset (Solidus)
1360 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
15 W/m-K
Thermal Diffusivity
3.9 mm 2 /s
Thermal Expansion
16 µm/m-K
Thermal Shock Resistance
15 points
Electrical
Electrical Conductivity: Equal Volume
2.1 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.4 % IACS
Calculated
PREN (Pitting Resistance)
30
Resilience: Ultimate (Unit Rupture Work)
220 MJ/m 3
Resilience: Unit (Modulus of Resilience)
250 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
24 points
Strength to Weight: Bending
22 points
Environmental
Base Metal Price
24 % relative
Embodied Carbon
4.3 kg CO 2 /kg material
Embodied Energy
61 MJ/kg
Embodied Energy
61 MJ/kg 26 x 10 3 BTU/lb
Embodied Water
190 L/kg
Embodied Water
190 L/kg 23 gal/lb
Registered Designations & Aliases
S33550UNS S33550 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