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EN 1.7003 Steel vs. ASTM A356 Grade 5

Both EN 1.7003 steel and ASTM A356 grade 5 are iron alloys. Their average alloy composition is basically identical. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.7003 steel and the bottom bar is ASTM A356 grade 5.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 200
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 520 to 1780
550

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
420
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 46
49
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
2.6
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.5
Embodied Energy, MJ/kg 19
20
Embodied Water, L/kg 48
49

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 63
20
Strength to Weight: Bending, points 18 to 42
19
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 15 to 53
16

Alloy Composition

Carbon (C), % 0.35 to 0.42
0 to 0.25
Chromium (Cr), % 0.4 to 0.6
0.4 to 0.7
Iron (Fe), % 97.7 to 98.8
97.1 to 99.2
Manganese (Mn), % 0.5 to 0.8
0 to 0.7
Molybdenum (Mo), % 0
0.4 to 0.6
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 0.6
Sulfur (S), % 0 to 0.035
0 to 0.030