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ASTM A356 Grade 1 vs. EN 1.0591 Cast Steel

Both ASTM A356 grade 1 and EN 1.0591 cast steel are iron alloys. Their average alloy composition is basically identical. There are 29 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 ASTM A356 grade 1 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, % 23
19
Fatigue Strength, MPa 200
240
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 550
620
Tensile Strength: Yield (Proof), MPa 280
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 51
53
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.7
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
18
Embodied Water, L/kg 45
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
100
Resilience: Unit (Modulus of Resilience), kJ/m3 210
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 14
14
Thermal Shock Resistance, points 18
20

Alloy Composition

Carbon (C), % 0 to 0.35
0
Iron (Fe), % 98.3 to 100
99.935 to 100
Manganese (Mn), % 0 to 0.7
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.030
0 to 0.030