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EN 1.4874 Stainless Steel vs. EN 1.6217 Steel

Both EN 1.4874 stainless steel and EN 1.6217 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 1.6217 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
170
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 6.7
24
Fatigue Strength, MPa 180
280
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 480
550
Tensile Strength: Yield (Proof), MPa 360
390

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
50
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
2.3
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 7.6
1.5
Embodied Energy, MJ/kg 110
21
Embodied Water, L/kg 290
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
120
Resilience: Unit (Modulus of Resilience), kJ/m3 310
410
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16
19
Strength to Weight: Bending, points 16
19
Thermal Diffusivity, mm2/s 3.3
14
Thermal Shock Resistance, points 11
16

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.050
Carbon (C), % 0.35 to 0.65
0 to 0.16
Chromium (Cr), % 19 to 22
0
Cobalt (Co), % 18.5 to 22
0
Iron (Fe), % 23 to 38.9
96.6 to 99
Manganese (Mn), % 0 to 2.0
0.85 to 1.7
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 18 to 22
0.15 to 0.85
Niobium (Nb), % 0.75 to 1.3
0 to 0.050
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 2.0 to 3.0
0
Vanadium (V), % 0
0 to 0.050