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EN 1.6773 Steel vs. S38100 Stainless Steel

Both EN 1.6773 steel and S38100 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.6773 steel and the bottom bar is S38100 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11
45
Fatigue Strength, MPa 560
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 670
400
Tensile Strength: Ultimate (UTS), MPa 1120
580
Tensile Strength: Yield (Proof), MPa 910
230

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 450
970
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 46
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
20
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.9
3.8
Embodied Energy, MJ/kg 26
54
Embodied Water, L/kg 61
160

Common Calculations

PREN (Pitting Resistance) 3.0
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
210
Resilience: Unit (Modulus of Resilience), kJ/m3 2210
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 40
21
Strength to Weight: Bending, points 30
20
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 33
13

Alloy Composition

Carbon (C), % 0.32 to 0.39
0 to 0.080
Chromium (Cr), % 1.6 to 2.0
17 to 19
Iron (Fe), % 92 to 93.9
57.9 to 64
Manganese (Mn), % 0.3 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.25 to 0.45
0
Nickel (Ni), % 3.6 to 4.1
17.5 to 18.5
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.4
1.5 to 2.5
Sulfur (S), % 0 to 0.025
0 to 0.030