Grade 250 Maraging Steel vs. EN 1.4945 Stainless Steel
Both grade 250 maraging steel and EN 1.4945 stainless steel are iron alloys. They have 78% 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 grade 250 maraging steel and the bottom bar is EN 1.4945 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
200 |
Elongation at Break, % | 7.3 to 17 | |
19 to 34 |
Poisson's Ratio | 0.3 | |
0.28 |
Shear Modulus, GPa | 75 | |
77 |
Shear Strength, MPa | 600 to 1060 | |
430 to 460 |
Tensile Strength: Ultimate (UTS), MPa | 970 to 1800 | |
640 to 740 |
Tensile Strength: Yield (Proof), MPa | 660 to 1740 | |
290 to 550 |
Thermal Properties
Latent Heat of Fusion, J/g | 270 | |
290 |
Melting Completion (Liquidus), °C | 1480 | |
1490 |
Melting Onset (Solidus), °C | 1430 | |
1440 |
Specific Heat Capacity, J/kg-K | 450 | |
470 |
Thermal Expansion, µm/m-K | 12 | |
17 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 32 | |
30 |
Density, g/cm3 | 8.2 | |
8.1 |
Embodied Carbon, kg CO2/kg material | 4.9 | |
5.0 |
Embodied Energy, MJ/kg | 65 | |
73 |
Embodied Water, L/kg | 140 | |
150 |
Common Calculations
PREN (Pitting Resistance) | 16 | |
23 |
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 150 | |
130 to 180 |
Stiffness to Weight: Axial, points | 13 | |
14 |
Stiffness to Weight: Bending, points | 23 | |
24 |
Strength to Weight: Axial, points | 33 to 61 | |
22 to 25 |
Strength to Weight: Bending, points | 26 to 40 | |
20 to 22 |
Thermal Shock Resistance, points | 29 to 54 | |
14 to 16 |
Alloy Composition
Aluminum (Al), % | 0.050 to 0.15 | |
0 |
Boron (B), % | 0 to 0.0030 | |
0 |
Calcium (Ca), % | 0 to 0.050 | |
0 |
Carbon (C), % | 0 to 0.030 | |
0.040 to 0.1 |
Chromium (Cr), % | 0 | |
15.5 to 17.5 |
Cobalt (Co), % | 7.0 to 8.5 | |
0 |
Iron (Fe), % | 66.3 to 71.1 | |
57.9 to 65.7 |
Manganese (Mn), % | 0 to 0.1 | |
0 to 1.5 |
Molybdenum (Mo), % | 4.6 to 5.2 | |
0 |
Nickel (Ni), % | 17 to 19 | |
15.5 to 17.5 |
Niobium (Nb), % | 0 | |
0.4 to 1.2 |
Nitrogen (N), % | 0 | |
0.060 to 0.14 |
Phosphorus (P), % | 0 to 0.010 | |
0 to 0.035 |
Silicon (Si), % | 0 to 0.1 | |
0.3 to 0.6 |
Sulfur (S), % | 0 to 0.010 | |
0 to 0.015 |
Titanium (Ti), % | 0.3 to 0.5 | |
0 |
Tungsten (W), % | 0 | |
2.5 to 3.5 |
Zirconium (Zr), % | 0 to 0.020 | |
0 |