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Grade 350 Maraging Steel vs. S20161 Stainless Steel

Both grade 350 maraging steel and S20161 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 25 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 350 maraging steel and the bottom bar is S20161 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 4.1 to 18
46
Poisson's Ratio 0.3
0.28
Rockwell C Hardness 34 to 60
22
Shear Modulus, GPa 75
76
Shear Strength, MPa 710 to 1400
690
Tensile Strength: Ultimate (UTS), MPa 1140 to 2420
980
Tensile Strength: Yield (Proof), MPa 830 to 2300
390

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Melting Completion (Liquidus), °C 1470
1380
Melting Onset (Solidus), °C 1420
1330
Specific Heat Capacity, J/kg-K 450
490
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 39
12
Density, g/cm3 8.2
7.5
Embodied Carbon, kg CO2/kg material 5.6
2.7
Embodied Energy, MJ/kg 74
39
Embodied Water, L/kg 160
130

Common Calculations

PREN (Pitting Resistance) 16
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 190
360
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
26
Strength to Weight: Axial, points 38 to 82
36
Strength to Weight: Bending, points 29 to 49
29
Thermal Shock Resistance, points 35 to 74
22

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 0.15
Chromium (Cr), % 0
15 to 18
Cobalt (Co), % 11.5 to 12.5
0
Iron (Fe), % 61.2 to 64.6
65.6 to 73.9
Manganese (Mn), % 0 to 0.1
4.0 to 6.0
Molybdenum (Mo), % 4.6 to 5.2
0
Nickel (Ni), % 18 to 19
4.0 to 6.0
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.1
3.0 to 4.0
Sulfur (S), % 0 to 0.010
0 to 0.040
Titanium (Ti), % 1.3 to 1.6
0
Zirconium (Zr), % 0 to 0.020
0