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EN 1.4874 Stainless Steel vs. EN 1.8935 Steel

Both EN 1.4874 stainless steel and EN 1.8935 steel are iron alloys. They have a modest 33% of their average alloy composition in common, which, by itself, doesn't mean much. 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 1.4874 stainless steel and the bottom bar is EN 1.8935 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
190
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 6.7
19
Fatigue Strength, MPa 180
330
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 480
640
Tensile Strength: Yield (Proof), MPa 360
490

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1150
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 13
46
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
2.5
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 7.6
1.7
Embodied Energy, MJ/kg 110
24
Embodied Water, L/kg 290
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
110
Resilience: Unit (Modulus of Resilience), kJ/m3 310
640
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16
23
Strength to Weight: Bending, points 16
21
Thermal Diffusivity, mm2/s 3.3
12
Thermal Shock Resistance, points 11
19

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.050
Carbon (C), % 0.35 to 0.65
0 to 0.2
Chromium (Cr), % 19 to 22
0 to 0.3
Cobalt (Co), % 18.5 to 22
0
Copper (Cu), % 0
0 to 0.7
Iron (Fe), % 23 to 38.9
95.2 to 98.9
Manganese (Mn), % 0 to 2.0
1.1 to 1.7
Molybdenum (Mo), % 2.5 to 3.0
0 to 0.1
Nickel (Ni), % 18 to 22
0 to 0.8
Niobium (Nb), % 0.75 to 1.3
0 to 0.050
Nitrogen (N), % 0
0 to 0.025
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.030
Tungsten (W), % 2.0 to 3.0
0
Vanadium (V), % 0
0 to 0.2