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EN 1.0491 Steel vs. EN 1.0501 Steel

Both EN 1.0491 steel and EN 1.0501 steel are iron alloys. Both are furnished in the normalized condition. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.0491 steel and the bottom bar is EN 1.0501 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 26
19
Fatigue Strength, MPa 200
190
Impact Strength: V-Notched Charpy, J 49
23
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 280
350
Tensile Strength: Ultimate (UTS), MPa 440
560
Tensile Strength: Yield (Proof), MPa 270
280

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
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 47
48
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.4
Embodied Energy, MJ/kg 21
19
Embodied Water, L/kg 49
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
90
Resilience: Unit (Modulus of Resilience), kJ/m3 200
210
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16
20
Strength to Weight: Bending, points 16
19
Thermal Diffusivity, mm2/s 13
13
Thermal Shock Resistance, points 14
18

Alloy Composition

Aluminum (Al), % 0 to 0.015
0
Carbon (C), % 0 to 0.18
0.32 to 0.39
Chromium (Cr), % 0 to 0.35
0 to 0.4
Copper (Cu), % 0 to 0.6
0
Iron (Fe), % 96.1 to 99.55
97.4 to 99.18
Manganese (Mn), % 0.45 to 1.6
0.5 to 0.8
Molybdenum (Mo), % 0 to 0.13
0 to 0.1
Nickel (Ni), % 0 to 0.35
0 to 0.4
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.017
0
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.45
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.045
Titanium (Ti), % 0 to 0.060
0
Vanadium (V), % 0 to 0.070
0