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EN 1.4417 Stainless Steel vs. EN 1.8912 Steel

Both EN 1.4417 stainless steel and EN 1.8912 steel are iron alloys. They have 64% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4417 stainless steel and the bottom bar is EN 1.8912 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25
20
Fatigue Strength, MPa 380
290
Impact Strength: V-Notched Charpy, J 56
58
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 730
600
Tensile Strength: Yield (Proof), MPa 550
410

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 17
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 21
2.6
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.1
1.8
Embodied Energy, MJ/kg 57
24
Embodied Water, L/kg 180
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
110
Resilience: Unit (Modulus of Resilience), kJ/m3 730
460
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
21
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 4.6
12
Thermal Shock Resistance, points 20
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.015
Carbon (C), % 0 to 0.030
0 to 0.22
Chromium (Cr), % 24 to 26
0 to 0.35
Copper (Cu), % 0 to 1.0
0 to 0.6
Iron (Fe), % 56.7 to 66.9
95 to 99.05
Manganese (Mn), % 0 to 1.5
1.0 to 1.8
Molybdenum (Mo), % 3.0 to 4.0
0 to 0.13
Nickel (Ni), % 6.0 to 8.5
0 to 0.85
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0.15 to 0.25
0 to 0.027
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.65
Sulfur (S), % 0 to 0.020
0 to 0.025
Titanium (Ti), % 0
0 to 0.060
Tungsten (W), % 0 to 1.0
0
Vanadium (V), % 0
0 to 0.22