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ASTM A372 Grade D Steel vs. EN 1.7117 Steel

Both ASTM A372 grade D steel and EN 1.7117 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ASTM A372 grade D steel and the bottom bar is EN 1.7117 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
200 to 480
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Tensile Strength: Ultimate (UTS), MPa 810
660 to 1930

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
420
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
43
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
2.6
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 20
21
Embodied Water, L/kg 48
51

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
24 to 69
Strength to Weight: Bending, points 25
22 to 44
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 26
20 to 58

Alloy Composition

Carbon (C), % 0.4 to 0.5
0.49 to 0.56
Chromium (Cr), % 0
0.7 to 1.0
Iron (Fe), % 97.1 to 97.9
95.2 to 96.4
Manganese (Mn), % 1.4 to 1.8
0.7 to 1.0
Molybdenum (Mo), % 0.17 to 0.27
0
Nickel (Ni), % 0
0.5 to 0.7
Phosphorus (P), % 0 to 0.015
0 to 0.025
Silicon (Si), % 0.15 to 0.35
1.2 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.025