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EN 1.7106 Steel vs. ASTM A356 Grade 8

Both EN 1.7106 steel and ASTM A356 grade 8 are iron alloys. They have a very high 98% of their average alloy composition in common. 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 1.7106 steel and the bottom bar is ASTM A356 grade 8.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 500
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 660 to 2020
630

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 410
440
Melting Completion (Liquidus), °C 1430
1470
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 46
38
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
3.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.5
2.0
Embodied Energy, MJ/kg 20
26
Embodied Water, L/kg 47
55

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 73
22
Strength to Weight: Bending, points 22 to 46
21
Thermal Diffusivity, mm2/s 13
10
Thermal Shock Resistance, points 20 to 61
18

Alloy Composition

Carbon (C), % 0.52 to 0.6
0 to 0.2
Chromium (Cr), % 0.2 to 0.45
1.0 to 1.5
Iron (Fe), % 95.9 to 97
95.4 to 97.4
Manganese (Mn), % 0.7 to 1.0
0.5 to 0.9
Molybdenum (Mo), % 0
0.9 to 1.2
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 1.6 to 2.0
0.2 to 0.6
Sulfur (S), % 0 to 0.025
0 to 0.030
Vanadium (V), % 0
0.050 to 0.15