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ASTM A356 Grade 8 vs. EN 1.1147 Steel

Both ASTM A356 grade 8 and EN 1.1147 steel are iron alloys. They have a very high 97% 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 ASTM A356 grade 8 and the bottom bar is EN 1.1147 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
110 to 140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
12 to 17
Fatigue Strength, MPa 270
180 to 250
Poisson's Ratio 0.29
0.29
Reduction in Area, % 50
63 to 73
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 630
390 to 470
Tensile Strength: Yield (Proof), MPa 390
280 to 370

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 440
400
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 38
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.4
Embodied Energy, MJ/kg 26
18
Embodied Water, L/kg 55
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
40 to 73
Resilience: Unit (Modulus of Resilience), kJ/m3 390
210 to 370
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
14 to 17
Strength to Weight: Bending, points 21
15 to 17
Thermal Diffusivity, mm2/s 10
14
Thermal Shock Resistance, points 18
12 to 15

Alloy Composition

Carbon (C), % 0 to 0.2
0.15 to 0.19
Chromium (Cr), % 1.0 to 1.5
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 95.4 to 97.4
98.3 to 99.25
Manganese (Mn), % 0.5 to 0.9
0.6 to 0.9
Molybdenum (Mo), % 0.9 to 1.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0.2 to 0.6
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025
Vanadium (V), % 0.050 to 0.15
0