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EN 1.7003 Steel vs. EN 1.8901 Steel

Both EN 1.7003 steel and EN 1.8901 steel 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 1.7003 steel and the bottom bar is EN 1.8901 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 200
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 520 to 1780
630

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
410
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 46
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.8
Embodied Energy, MJ/kg 19
24
Embodied Water, L/kg 48
51

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 63
22
Strength to Weight: Bending, points 18 to 42
21
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 15 to 53
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.015
Carbon (C), % 0.35 to 0.42
0 to 0.22
Chromium (Cr), % 0.4 to 0.6
0 to 0.35
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 97.7 to 98.8
95 to 99.05
Manganese (Mn), % 0.5 to 0.8
1.0 to 1.8
Molybdenum (Mo), % 0
0 to 0.13
Nickel (Ni), % 0
0 to 0.85
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.027
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 0.65
Sulfur (S), % 0 to 0.035
0 to 0.030
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0
0 to 0.22