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EN 1.3555 Steel vs. SAE-AISI D7 Steel

Both EN 1.3555 steel and SAE-AISI D7 steel are iron alloys. They have 86% of their average alloy composition in common. There are 20 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 EN 1.3555 steel and the bottom bar is SAE-AISI D7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 770
800 to 2120

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1500
1440
Melting Onset (Solidus), °C 1450
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 5.6
11
Embodied Energy, MJ/kg 81
180
Embodied Water, L/kg 90
130

Common Calculations

PREN (Pitting Resistance) 18
16
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27
29 to 78
Strength to Weight: Bending, points 23
25 to 48
Thermal Shock Resistance, points 22
27 to 72

Alloy Composition

Carbon (C), % 0.1 to 0.15
2.2 to 2.5
Chromium (Cr), % 3.9 to 4.3
11.5 to 13.5
Copper (Cu), % 0 to 0.1
0 to 0.25
Iron (Fe), % 85.4 to 87.7
76.6 to 81.9
Manganese (Mn), % 0.15 to 0.35
0 to 0.6
Molybdenum (Mo), % 4.0 to 4.5
0.7 to 1.2
Nickel (Ni), % 3.2 to 3.6
0 to 0.3
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0.1 to 0.25
0 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 0 to 0.15
0
Vanadium (V), % 1.0 to 1.3
3.8 to 4.4