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EN 1.7383 Steel vs. Grade 250 Maraging Steel

Both EN 1.7383 steel and grade 250 maraging steel are iron alloys. They have 70% of their average alloy composition in common. There are 24 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 EN 1.7383 steel and the bottom bar is grade 250 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20 to 23
7.3 to 17
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 74
75
Shear Strength, MPa 350 to 380
600 to 1060
Tensile Strength: Ultimate (UTS), MPa 560 to 610
970 to 1800
Tensile Strength: Yield (Proof), MPa 300 to 400
660 to 1740

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1470
1480
Melting Onset (Solidus), °C 1430
1430
Specific Heat Capacity, J/kg-K 470
450
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
32
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 1.8
4.9
Embodied Energy, MJ/kg 23
65
Embodied Water, L/kg 59
140

Common Calculations

PREN (Pitting Resistance) 5.6
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
130 to 150
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 20 to 22
33 to 61
Strength to Weight: Bending, points 19 to 20
26 to 40
Thermal Shock Resistance, points 16 to 18
29 to 54

Alloy Composition

Aluminum (Al), % 0 to 0.040
0.050 to 0.15
Boron (B), % 0
0 to 0.0030
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0.080 to 0.15
0 to 0.030
Chromium (Cr), % 2.0 to 2.5
0
Cobalt (Co), % 0
7.0 to 8.5
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 94.3 to 96.6
66.3 to 71.1
Manganese (Mn), % 0.4 to 0.8
0 to 0.1
Molybdenum (Mo), % 0.9 to 1.1
4.6 to 5.2
Nickel (Ni), % 0 to 0.3
17 to 19
Phosphorus (P), % 0 to 0.025
0 to 0.010
Silicon (Si), % 0 to 0.5
0 to 0.1
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0
0.3 to 0.5
Zirconium (Zr), % 0
0 to 0.020