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ASTM A27 Cast Steel vs. EN 1.6771 Steel

Both ASTM A27 cast steel and EN 1.6771 steel are iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM A27 cast steel and the bottom bar is EN 1.6771 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25 to 27
8.0 to 8.7
Fatigue Strength, MPa 170 to 230
440 to 680
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 460 to 550
930 to 1180
Tensile Strength: Yield (Proof), MPa 230 to 310
740 to 1140

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
440
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 52
46
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0 to 7.1
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.9
Embodied Energy, MJ/kg 18
25
Embodied Water, L/kg 45 to 46
58

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 96 to 120
75 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 260
1460 to 3450
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 20
33 to 41
Strength to Weight: Bending, points 17 to 19
27 to 31
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 15 to 18
27 to 35

Comparable Variants