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Grade 350 Maraging Steel vs. S20910 Stainless Steel

Both grade 350 maraging steel and S20910 stainless steel are iron alloys. They have 72% 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 350 maraging steel and the bottom bar is S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.1 to 18
14 to 39
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 75
79
Shear Strength, MPa 710 to 1400
500 to 570
Tensile Strength: Ultimate (UTS), MPa 1140 to 2420
780 to 940
Tensile Strength: Yield (Proof), MPa 830 to 2300
430 to 810

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1470
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 39
22
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 5.6
4.8
Embodied Energy, MJ/kg 74
68
Embodied Water, L/kg 160
180

Common Calculations

PREN (Pitting Resistance) 16
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 190
120 to 260
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 38 to 82
28 to 33
Strength to Weight: Bending, points 29 to 49
24 to 27
Thermal Shock Resistance, points 35 to 74
17 to 21

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 0.060
Chromium (Cr), % 0
20.5 to 23.5
Cobalt (Co), % 11.5 to 12.5
0
Iron (Fe), % 61.2 to 64.6
52.1 to 62.1
Manganese (Mn), % 0 to 0.1
4.0 to 6.0
Molybdenum (Mo), % 4.6 to 5.2
1.5 to 3.0
Nickel (Ni), % 18 to 19
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 1.3 to 1.6
0
Vanadium (V), % 0
0.1 to 0.3
Zirconium (Zr), % 0 to 0.020
0

Comparable Variants