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EN 1.4855 Stainless Steel vs. EN 1.6920 Steel

Both EN 1.4855 stainless steel and EN 1.6920 steel are iron alloys. They have 50% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4855 stainless steel and the bottom bar is EN 1.6920 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 4.6
19
Fatigue Strength, MPa 120
290
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 500
640
Tensile Strength: Yield (Proof), MPa 250
420

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1050
420
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
39
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 34
2.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 5.9
1.7
Embodied Energy, MJ/kg 85
23
Embodied Water, L/kg 200
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
110
Resilience: Unit (Modulus of Resilience), kJ/m3 160
470
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
22
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 3.7
10
Thermal Shock Resistance, points 11
19

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.17
Chromium (Cr), % 23 to 25
0.5 to 1.0
Iron (Fe), % 42.6 to 51.9
95.7 to 98
Manganese (Mn), % 0 to 2.0
1.0 to 1.5
Molybdenum (Mo), % 0 to 0.5
0.2 to 0.35
Nickel (Ni), % 23 to 25
0.3 to 0.7
Niobium (Nb), % 0.8 to 1.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 1.0 to 2.5
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0
0.050 to 0.1