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EN 1.7375 Steel vs. ASTM A372 Grade D Steel

Both EN 1.7375 steel and ASTM A372 grade D steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.7375 steel and the bottom bar is ASTM A372 grade D steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
17
Fatigue Strength, MPa 270
340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 380
500
Tensile Strength: Ultimate (UTS), MPa 620
810
Tensile Strength: Yield (Proof), MPa 400
510

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 460
400
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 39
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
2.1
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.8
1.5
Embodied Energy, MJ/kg 23
20
Embodied Water, L/kg 59
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 420
700
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
29
Strength to Weight: Bending, points 20
25
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 18
26

Alloy Composition

Aluminum (Al), % 0.010 to 0.040
0
Carbon (C), % 0.1 to 0.15
0.4 to 0.5
Chromium (Cr), % 2.0 to 2.5
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 94.5 to 96.7
97.1 to 97.9
Manganese (Mn), % 0.3 to 0.8
1.4 to 1.8
Molybdenum (Mo), % 0.9 to 1.1
0.17 to 0.27
Nickel (Ni), % 0 to 0.3
0
Nitrogen (N), % 0 to 0.012
0
Phosphorus (P), % 0 to 0.015
0 to 0.015
Silicon (Si), % 0 to 0.3
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.010