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SAE-AISI D7 Steel vs. EN 1.7380 Steel

Both SAE-AISI D7 steel and EN 1.7380 steel are iron alloys. They have 83% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI D7 steel and the bottom bar is EN 1.7380 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 73
74
Tensile Strength: Ultimate (UTS), MPa 800 to 2120
540 to 550

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 27
39
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 10
3.8
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 11
1.8
Embodied Energy, MJ/kg 180
23
Embodied Water, L/kg 130
59

Common Calculations

PREN (Pitting Resistance) 16
5.6
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29 to 78
19 to 20
Strength to Weight: Bending, points 25 to 48
19
Thermal Diffusivity, mm2/s 7.4
11
Thermal Shock Resistance, points 27 to 72
15 to 16

Alloy Composition

Carbon (C), % 2.2 to 2.5
0.080 to 0.14
Chromium (Cr), % 11.5 to 13.5
2.0 to 2.5
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 76.6 to 81.9
94.6 to 96.6
Manganese (Mn), % 0 to 0.6
0.4 to 0.8
Molybdenum (Mo), % 0.7 to 1.2
0.9 to 1.1
Nickel (Ni), % 0 to 0.3
0
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 3.8 to 4.4
0