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Grade 350 Maraging Steel vs. S46500 Stainless Steel

Both grade 350 maraging steel and S46500 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade 350 maraging steel and the bottom bar is S46500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 4.1 to 18
2.3 to 14
Poisson's Ratio 0.3
0.28
Rockwell C Hardness 34 to 60
29 to 54
Shear Modulus, GPa 75
75
Shear Strength, MPa 710 to 1400
730 to 1120
Tensile Strength: Ultimate (UTS), MPa 1140 to 2420
1260 to 1930
Tensile Strength: Yield (Proof), MPa 830 to 2300
1120 to 1810

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 39
15
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 5.6
3.6
Embodied Energy, MJ/kg 74
51
Embodied Water, L/kg 160
120

Common Calculations

PREN (Pitting Resistance) 16
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 190
43 to 210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 38 to 82
44 to 68
Strength to Weight: Bending, points 29 to 49
33 to 44
Thermal Shock Resistance, points 35 to 74
44 to 67

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 0.020
Chromium (Cr), % 0
11 to 12.5
Cobalt (Co), % 11.5 to 12.5
0
Iron (Fe), % 61.2 to 64.6
72.6 to 76.1
Manganese (Mn), % 0 to 0.1
0 to 0.25
Molybdenum (Mo), % 4.6 to 5.2
0.75 to 1.3
Nickel (Ni), % 18 to 19
10.7 to 11.3
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.010
0 to 0.015
Silicon (Si), % 0 to 0.1
0 to 0.25
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 1.3 to 1.6
1.5 to 1.8
Zirconium (Zr), % 0 to 0.020
0

Comparable Variants