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EN 1.6570 Steel vs. ASTM A356 Grade 2

Both EN 1.6570 steel and ASTM A356 grade 2 are iron alloys. They have a very high 96% 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 EN 1.6570 steel and the bottom bar is ASTM A356 grade 2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270 to 340
150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
25
Fatigue Strength, MPa 500 to 660
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 910 to 1130
510
Tensile Strength: Yield (Proof), MPa 760 to 1060
270

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 440
410
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 40
51
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
2.4
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.7
1.5
Embodied Energy, MJ/kg 23
20
Embodied Water, L/kg 56
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 140
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1520 to 3010
190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 32 to 40
18
Strength to Weight: Bending, points 27 to 31
18
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 27 to 33
15

Alloy Composition

Carbon (C), % 0.28 to 0.35
0 to 0.25
Chromium (Cr), % 1.0 to 1.4
0
Iron (Fe), % 94 to 96.2
97.7 to 99.55
Manganese (Mn), % 0.6 to 1.0
0 to 0.7
Molybdenum (Mo), % 0.3 to 0.5
0.45 to 0.65
Nickel (Ni), % 1.6 to 2.1
0
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.6
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030