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EN 1.7108 Steel vs. Grade 250 Maraging Steel

Both EN 1.7108 steel and grade 250 maraging steel are iron alloys. They have 69% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is EN 1.7108 steel and the bottom bar is grade 250 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 72
75
Tensile Strength: Ultimate (UTS), MPa 670 to 2070
970 to 1800

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Melting Completion (Liquidus), °C 1430
1480
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 480
450
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
32
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 1.5
4.9
Embodied Energy, MJ/kg 20
65
Embodied Water, L/kg 47
140

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 24 to 75
33 to 61
Strength to Weight: Bending, points 22 to 47
26 to 40
Thermal Shock Resistance, points 20 to 63
29 to 54

Alloy Composition

Aluminum (Al), % 0
0.050 to 0.15
Boron (B), % 0
0 to 0.0030
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0.57 to 0.65
0 to 0.030
Chromium (Cr), % 0.2 to 0.45
0
Cobalt (Co), % 0
7.0 to 8.5
Iron (Fe), % 95.9 to 96.9
66.3 to 71.1
Manganese (Mn), % 0.7 to 1.0
0 to 0.1
Molybdenum (Mo), % 0
4.6 to 5.2
Nickel (Ni), % 0
17 to 19
Phosphorus (P), % 0 to 0.025
0 to 0.010
Silicon (Si), % 1.6 to 2.0
0 to 0.1
Sulfur (S), % 0 to 0.025
0 to 0.010
Titanium (Ti), % 0
0.3 to 0.5
Zirconium (Zr), % 0
0 to 0.020

Comparable Variants