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S66286 Stainless Steel vs. Grade 250 Maraging Steel

Both S66286 stainless steel and grade 250 maraging steel are iron alloys. They have 74% 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 S66286 stainless 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, % 17 to 40
7.3 to 17
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 75
75
Shear Strength, MPa 420 to 630
600 to 1060
Tensile Strength: Ultimate (UTS), MPa 620 to 1020
970 to 1800
Tensile Strength: Yield (Proof), MPa 280 to 670
660 to 1740

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Melting Completion (Liquidus), °C 1430
1480
Melting Onset (Solidus), °C 1370
1430
Specific Heat Capacity, J/kg-K 470
450
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 26
32
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 6.0
4.9
Embodied Energy, MJ/kg 87
65
Embodied Water, L/kg 170
140

Common Calculations

PREN (Pitting Resistance) 19
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 200
130 to 150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 22 to 36
33 to 61
Strength to Weight: Bending, points 20 to 28
26 to 40
Thermal Shock Resistance, points 13 to 22
29 to 54

Alloy Composition

Aluminum (Al), % 0 to 0.35
0.050 to 0.15
Boron (B), % 0.0010 to 0.010
0 to 0.0030
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 13.5 to 16
0
Cobalt (Co), % 0
7.0 to 8.5
Iron (Fe), % 49.1 to 59.5
66.3 to 71.1
Manganese (Mn), % 0 to 2.0
0 to 0.1
Molybdenum (Mo), % 1.0 to 1.5
4.6 to 5.2
Nickel (Ni), % 24 to 27
17 to 19
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 1.9 to 2.4
0.3 to 0.5
Vanadium (V), % 0.1 to 0.5
0
Zirconium (Zr), % 0
0 to 0.020

Comparable Variants