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EN 1.4931 Steel vs. EN 1.7106 Steel

Both EN 1.4931 steel and EN 1.7106 steel are iron alloys. They have 86% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, 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 1.7106 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
200 to 500
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Tensile Strength: Ultimate (UTS), MPa 810
660 to 2020

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Mechanical, °C 600
410
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 24
46
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.8
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
2.1
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.9
1.5
Embodied Energy, MJ/kg 42
20
Embodied Water, L/kg 100
47

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
24 to 73
Strength to Weight: Bending, points 25
22 to 46
Thermal Diffusivity, mm2/s 6.5
13
Thermal Shock Resistance, points 22
20 to 61

Alloy Composition

Carbon (C), % 0.2 to 0.26
0.52 to 0.6
Chromium (Cr), % 11.3 to 12.2
0.2 to 0.45
Iron (Fe), % 83.2 to 86.8
95.9 to 97
Manganese (Mn), % 0.5 to 0.8
0.7 to 1.0
Molybdenum (Mo), % 1.0 to 1.2
0
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.4
1.6 to 2.0
Sulfur (S), % 0 to 0.020
0 to 0.025
Tungsten (W), % 0 to 0.5
0
Vanadium (V), % 0.25 to 0.35
0