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S20433 Stainless Steel vs. EN 1.6957 Steel

Both S20433 stainless steel and EN 1.6957 steel are iron alloys. They have 74% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S20433 stainless steel and the bottom bar is EN 1.6957 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
280
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 46
18
Fatigue Strength, MPa 250
530
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 440
570
Tensile Strength: Ultimate (UTS), MPa 630
930
Tensile Strength: Yield (Proof), MPa 270
780

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 900
450
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
47
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 13
5.0
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.7
2.1
Embodied Energy, MJ/kg 39
29
Embodied Water, L/kg 150
60

Common Calculations

PREN (Pitting Resistance) 20
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
160
Resilience: Unit (Modulus of Resilience), kJ/m3 180
1630
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
33
Strength to Weight: Bending, points 21
27
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 14
27

Alloy Composition

Carbon (C), % 0 to 0.080
0.22 to 0.32
Chromium (Cr), % 17 to 18
1.2 to 1.8
Copper (Cu), % 1.5 to 3.5
0
Iron (Fe), % 64.1 to 72.4
92.7 to 94.7
Manganese (Mn), % 5.5 to 7.5
0.15 to 0.4
Molybdenum (Mo), % 0
0.25 to 0.45
Nickel (Ni), % 3.5 to 5.5
3.4 to 4.0
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.15
Sulfur (S), % 0 to 0.030
0 to 0.0070
Vanadium (V), % 0
0.050 to 0.15