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S33550 Stainless Steel vs. EN 1.4305 Stainless Steel

Both S33550 stainless steel and EN 1.4305 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S33550 stainless steel and the bottom bar is EN 1.4305 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200 to 270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
14 to 40
Fatigue Strength, MPa 270
190 to 330
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 470
420 to 550
Tensile Strength: Ultimate (UTS), MPa 680
610 to 900
Tensile Strength: Yield (Proof), MPa 310
220 to 570

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 470
410
Maximum Temperature: Mechanical, °C 1100
930
Melting Completion (Liquidus), °C 1400
1420
Melting Onset (Solidus), °C 1360
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 24
15
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.3
3.0
Embodied Energy, MJ/kg 61
42
Embodied Water, L/kg 190
140

Common Calculations

PREN (Pitting Resistance) 30
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
110 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 250
120 to 830
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
22 to 32
Strength to Weight: Bending, points 22
20 to 27
Thermal Diffusivity, mm2/s 3.9
4.0
Thermal Shock Resistance, points 15
14 to 20

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.1
Cerium (Ce), % 0.025 to 0.070
0
Chromium (Cr), % 25 to 28
17 to 19
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 48.8 to 58.2
66.4 to 74.9
Lanthanum (La), % 0.025 to 0.070
0
Manganese (Mn), % 0 to 1.5
0 to 2.0
Nickel (Ni), % 16.5 to 20
8.0 to 10
Niobium (Nb), % 0.050 to 0.15
0
Nitrogen (N), % 0.18 to 0.25
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0.15 to 0.35