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Grade 250 Maraging Steel vs. EN 1.4469 Stainless Steel

Both grade 250 maraging steel and EN 1.4469 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (12, 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 1.4469 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 7.3 to 17
25
Poisson's Ratio 0.3
0.27
Shear Modulus, GPa 75
81
Tensile Strength: Ultimate (UTS), MPa 970 to 1800
740
Tensile Strength: Yield (Proof), MPa 660 to 1740
550

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1480
1450
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 32
21
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.9
4.1
Embodied Energy, MJ/kg 65
57
Embodied Water, L/kg 140
180

Common Calculations

PREN (Pitting Resistance) 16
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 150
170
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 33 to 61
26
Strength to Weight: Bending, points 26 to 40
23
Thermal Shock Resistance, points 29 to 54
20

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 to 0.030
Chromium (Cr), % 0
25 to 27
Cobalt (Co), % 7.0 to 8.5
0
Copper (Cu), % 0
0 to 1.3
Iron (Fe), % 66.3 to 71.1
56.4 to 65.9
Manganese (Mn), % 0 to 0.1
0 to 1.0
Molybdenum (Mo), % 4.6 to 5.2
3.0 to 5.0
Nickel (Ni), % 17 to 19
6.0 to 8.0
Nitrogen (N), % 0
0.12 to 0.22
Phosphorus (P), % 0 to 0.010
0 to 0.035
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.025
Titanium (Ti), % 0.3 to 0.5
0
Zirconium (Zr), % 0 to 0.020
0