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EN 1.4874 Stainless Steel vs. EN 1.5415 Steel

Both EN 1.4874 stainless steel and EN 1.5415 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 1.5415 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
150
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 6.7
24
Fatigue Strength, MPa 180
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 480
510
Tensile Strength: Yield (Proof), MPa 360
280

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1150
410
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
49
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
2.3
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 7.6
1.5
Embodied Energy, MJ/kg 110
20
Embodied Water, L/kg 290
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
100
Resilience: Unit (Modulus of Resilience), kJ/m3 310
210
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16
18
Strength to Weight: Bending, points 16
18
Thermal Diffusivity, mm2/s 3.3
13
Thermal Shock Resistance, points 11
15

Alloy Composition

Carbon (C), % 0.35 to 0.65
0.12 to 0.2
Chromium (Cr), % 19 to 22
0 to 0.3
Cobalt (Co), % 18.5 to 22
0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 23 to 38.9
97.3 to 99.23
Manganese (Mn), % 0 to 2.0
0.4 to 0.9
Molybdenum (Mo), % 2.5 to 3.0
0.25 to 0.35
Nickel (Ni), % 18 to 22
0 to 0.3
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 2.0 to 3.0
0