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EN 1.7386 Steel vs. Grade 250 Maraging Steel

Both EN 1.7386 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 1.7386 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, % 18 to 21
7.3 to 17
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 75
75
Shear Strength, MPa 340 to 410
600 to 1060
Tensile Strength: Ultimate (UTS), MPa 550 to 670
970 to 1800
Tensile Strength: Yield (Proof), MPa 240 to 440
660 to 1740

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1450
1480
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 480
450
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
32
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 2.0
4.9
Embodied Energy, MJ/kg 28
65
Embodied Water, L/kg 88
140

Common Calculations

PREN (Pitting Resistance) 12
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92 to 110
130 to 150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 20 to 24
33 to 61
Strength to Weight: Bending, points 19 to 22
26 to 40
Thermal Shock Resistance, points 15 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), % 8.0 to 10
0
Cobalt (Co), % 0
7.0 to 8.5
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 86.8 to 90.5
66.3 to 71.1
Manganese (Mn), % 0.3 to 0.6
0 to 0.1
Molybdenum (Mo), % 0.9 to 1.1
4.6 to 5.2
Nickel (Ni), % 0
17 to 19
Phosphorus (P), % 0 to 0.025
0 to 0.010
Silicon (Si), % 0.25 to 1.0
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

Comparable Variants