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EN 1.8912 Steel vs. EN 1.4373 Stainless Steel

Both EN 1.8912 steel and EN 1.4373 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.8912 steel and the bottom bar is EN 1.4373 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
230
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
46
Fatigue Strength, MPa 290
340
Impact Strength: V-Notched Charpy, J 58
90
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 380
530
Tensile Strength: Ultimate (UTS), MPa 600
750
Tensile Strength: Yield (Proof), MPa 410
370

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 410
910
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 46
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.8
2.8
Embodied Energy, MJ/kg 24
40
Embodied Water, L/kg 51
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
290
Resilience: Unit (Modulus of Resilience), kJ/m3 460
340
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
27
Strength to Weight: Bending, points 20
24
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 18
16

Alloy Composition

Aluminum (Al), % 0 to 0.015
0
Carbon (C), % 0 to 0.22
0 to 0.15
Chromium (Cr), % 0 to 0.35
17 to 19
Copper (Cu), % 0 to 0.6
0
Iron (Fe), % 95 to 99.05
63 to 71.5
Manganese (Mn), % 1.0 to 1.8
7.5 to 10.5
Molybdenum (Mo), % 0 to 0.13
0
Nickel (Ni), % 0 to 0.85
4.0 to 6.0
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.027
0.050 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.65
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0 to 0.060
0
Vanadium (V), % 0 to 0.22
0