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Grade 350 Maraging Steel vs. S35125 Stainless Steel

Both grade 350 maraging steel and S35125 stainless steel are iron alloys. They have 62% 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 S35125 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.1 to 18
39
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 75
78
Shear Strength, MPa 710 to 1400
370
Tensile Strength: Ultimate (UTS), MPa 1140 to 2420
540
Tensile Strength: Yield (Proof), MPa 830 to 2300
230

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1470
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 39
36
Density, g/cm3 8.2
8.1
Embodied Carbon, kg CO2/kg material 5.6
6.4
Embodied Energy, MJ/kg 74
89
Embodied Water, L/kg 160
210

Common Calculations

PREN (Pitting Resistance) 16
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 190
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 38 to 82
19
Strength to Weight: Bending, points 29 to 49
18
Thermal Shock Resistance, points 35 to 74
12

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 0.1
Chromium (Cr), % 0
20 to 23
Cobalt (Co), % 11.5 to 12.5
0
Iron (Fe), % 61.2 to 64.6
36.2 to 45.8
Manganese (Mn), % 0 to 0.1
1.0 to 1.5
Molybdenum (Mo), % 4.6 to 5.2
2.0 to 3.0
Nickel (Ni), % 18 to 19
31 to 35
Niobium (Nb), % 0
0.25 to 0.6
Phosphorus (P), % 0 to 0.010
0 to 0.045
Silicon (Si), % 0 to 0.1
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 1.3 to 1.6
0
Zirconium (Zr), % 0 to 0.020
0