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Grade 300 Maraging Steel vs. S35500 Stainless Steel

Both grade 300 maraging steel and S35500 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade 300 maraging steel and the bottom bar is S35500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 6.5 to 18
14
Poisson's Ratio 0.3
0.28
Rockwell C Hardness 31 to 56
33 to 42
Shear Modulus, GPa 75
78
Shear Strength, MPa 640 to 1190
810 to 910
Tensile Strength: Ultimate (UTS), MPa 1030 to 2030
1330 to 1490
Tensile Strength: Yield (Proof), MPa 760 to 1990
1200 to 1280

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 34
16
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 5.1
3.5
Embodied Energy, MJ/kg 68
47
Embodied Water, L/kg 150
130

Common Calculations

PREN (Pitting Resistance) 16
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 170
180 to 190
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 35 to 68
47 to 53
Strength to Weight: Bending, points 28 to 43
34 to 37
Thermal Shock Resistance, points 31 to 62
44 to 49

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
0.1 to 0.15
Chromium (Cr), % 0
15 to 16
Cobalt (Co), % 8.5 to 9.5
0
Iron (Fe), % 65 to 68.4
73.2 to 77.7
Manganese (Mn), % 0 to 0.1
0.5 to 1.3
Molybdenum (Mo), % 4.6 to 5.2
2.5 to 3.2
Nickel (Ni), % 18 to 19
4.0 to 5.0
Niobium (Nb), % 0
0.1 to 0.5
Nitrogen (N), % 0
0.070 to 0.13
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.5 to 0.8
0
Zirconium (Zr), % 0 to 0.020
0

Comparable Variants