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EN 1.4931 Steel vs. EN 1.6368 Steel

Both EN 1.4931 steel and EN 1.6368 steel are iron alloys. They have 87% of their average alloy composition in common. There are 31 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 1.4931 steel and the bottom bar is EN 1.6368 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
18
Fatigue Strength, MPa 410
310 to 330
Impact Strength: V-Notched Charpy, J 30
43 to 46
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 810
660 to 690
Tensile Strength: Yield (Proof), MPa 620
460 to 490

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 600
410
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 24
40
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.8
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
3.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.9
1.7
Embodied Energy, MJ/kg 42
22
Embodied Water, L/kg 100
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 970
580 to 650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
23 to 24
Strength to Weight: Bending, points 25
21 to 22
Thermal Diffusivity, mm2/s 6.5
11
Thermal Shock Resistance, points 22
20

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.040
Carbon (C), % 0.2 to 0.26
0 to 0.17
Chromium (Cr), % 11.3 to 12.2
0 to 0.3
Copper (Cu), % 0
0.5 to 0.8
Iron (Fe), % 83.2 to 86.8
95.1 to 97.2
Manganese (Mn), % 0.5 to 0.8
0.8 to 1.2
Molybdenum (Mo), % 1.0 to 1.2
0.25 to 0.5
Nickel (Ni), % 0 to 1.0
1.0 to 1.3
Niobium (Nb), % 0
0.015 to 0.045
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.4
0.25 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.010
Tungsten (W), % 0 to 0.5
0
Vanadium (V), % 0.25 to 0.35
0