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Grade 250 Maraging Steel vs. N08020 Stainless Steel

Both grade 250 maraging steel and N08020 stainless steel are iron alloys. They have 58% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grade 250 maraging steel and the bottom bar is N08020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 7.3 to 17
15 to 34
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 600 to 1060
380 to 410
Tensile Strength: Ultimate (UTS), MPa 970 to 1800
610 to 620
Tensile Strength: Yield (Proof), MPa 660 to 1740
270 to 420

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1480
1410
Melting Onset (Solidus), °C 1430
1360
Specific Heat Capacity, J/kg-K 450
460
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 32
38
Density, g/cm3 8.2
8.2
Embodied Carbon, kg CO2/kg material 4.9
6.6
Embodied Energy, MJ/kg 65
92
Embodied Water, L/kg 140
220

Common Calculations

PREN (Pitting Resistance) 16
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 150
83 to 170
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 33 to 61
21
Strength to Weight: Bending, points 26 to 40
20
Thermal Shock Resistance, points 29 to 54
15

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 0.070
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 7.0 to 8.5
0
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 66.3 to 71.1
29.9 to 44
Manganese (Mn), % 0 to 0.1
0 to 2.0
Molybdenum (Mo), % 4.6 to 5.2
2.0 to 3.0
Nickel (Ni), % 17 to 19
32 to 38
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.010
0 to 0.045
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.035
Titanium (Ti), % 0.3 to 0.5
0
Zirconium (Zr), % 0 to 0.020
0

Comparable Variants