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EN 1.0625 Steel vs. EN 1.0591 Cast Steel

Both EN 1.0625 steel and EN 1.0591 cast steel are iron alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.0625 steel and the bottom bar is EN 1.0591 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
19
Fatigue Strength, MPa 230
240
Impact Strength: V-Notched Charpy, J 30 to 45
29
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 560
620
Tensile Strength: Yield (Proof), MPa 320
360

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 47
53
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
1.7
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
18
Embodied Water, L/kg 48
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
100
Resilience: Unit (Modulus of Resilience), kJ/m3 270
340
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
22
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 18
20

Alloy Composition

Carbon (C), % 0.18 to 0.25
0
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96.6 to 99.02
99.935 to 100
Manganese (Mn), % 0.8 to 1.4
0
Molybdenum (Mo), % 0 to 0.12
0
Nickel (Ni), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.020
0 to 0.030
Vanadium (V), % 0 to 0.030
0