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EN 1.4931 Steel vs. EN 1.8961 Steel

Both EN 1.4931 steel and EN 1.8961 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 1.8961 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
19
Fatigue Strength, MPa 410
150
Impact Strength: V-Notched Charpy, J 30
30
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 810
430
Tensile Strength: Yield (Proof), MPa 620
220

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
45
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
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.7
Embodied Energy, MJ/kg 42
23
Embodied Water, L/kg 100
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
70
Resilience: Unit (Modulus of Resilience), kJ/m3 970
130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
15
Strength to Weight: Bending, points 25
16
Thermal Diffusivity, mm2/s 6.5
12
Thermal Shock Resistance, points 22
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.030
Carbon (C), % 0.2 to 0.26
0 to 0.16
Chromium (Cr), % 11.3 to 12.2
0.35 to 0.85
Copper (Cu), % 0
0.2 to 0.6
Iron (Fe), % 83.2 to 86.8
96.1 to 99.3
Manganese (Mn), % 0.5 to 0.8
0.15 to 0.7
Molybdenum (Mo), % 1.0 to 1.2
0
Nickel (Ni), % 0 to 1.0
0 to 0.7
Niobium (Nb), % 0
0 to 0.065
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 0.45
Sulfur (S), % 0 to 0.020
0 to 0.035
Titanium (Ti), % 0
0 to 0.12
Tungsten (W), % 0 to 0.5
0
Vanadium (V), % 0.25 to 0.35
0 to 0.14