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EN 1.6750 Steel vs. S82122 Stainless Steel

Both EN 1.6750 steel and S82122 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 31 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 EN 1.6750 steel and the bottom bar is S82122 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
260
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18
34
Fatigue Strength, MPa 310
360
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 650
680
Tensile Strength: Yield (Proof), MPa 460
450

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 420
990
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 3.3
12
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.7
2.6
Embodied Energy, MJ/kg 22
37
Embodied Water, L/kg 52
150

Common Calculations

PREN (Pitting Resistance) 2.4
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
210
Resilience: Unit (Modulus of Resilience), kJ/m3 570
510
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
25
Strength to Weight: Bending, points 21
22
Thermal Diffusivity, mm2/s 10
4.0
Thermal Shock Resistance, points 19
19

Alloy Composition

Carbon (C), % 0.17 to 0.23
0 to 0.030
Chromium (Cr), % 0.3 to 0.5
20.5 to 21.5
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 95.3 to 97.5
68.9 to 75.4
Manganese (Mn), % 0.8 to 1.2
2.0 to 4.0
Molybdenum (Mo), % 0.4 to 0.8
0 to 0.6
Nickel (Ni), % 0.8 to 1.2
1.5 to 2.5
Nitrogen (N), % 0
0.15 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.020