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ASTM A356 Grade 2 vs. EN 1.7228 Steel

Both ASTM A356 grade 2 and EN 1.7228 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A356 grade 2 and the bottom bar is EN 1.7228 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
270
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
12
Fatigue Strength, MPa 200
390
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 510
900
Tensile Strength: Yield (Proof), MPa 270
630

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
420
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 51
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
2.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 20
20
Embodied Water, L/kg 47
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
100
Resilience: Unit (Modulus of Resilience), kJ/m3 190
1050
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
32
Strength to Weight: Bending, points 18
26
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 15
26

Alloy Composition

Carbon (C), % 0 to 0.25
0.46 to 0.54
Chromium (Cr), % 0
0.9 to 1.2
Iron (Fe), % 97.7 to 99.55
96.7 to 98
Manganese (Mn), % 0 to 0.7
0.5 to 0.8
Molybdenum (Mo), % 0.45 to 0.65
0.15 to 0.3
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.6
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035