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Annealed 300 Maraging Steel vs. Annealed S35000 Stainless Steel

Both annealed 300 maraging steel and annealed S35000 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 74% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is annealed 300 maraging steel and the bottom bar is annealed S35000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18
14
Poisson's Ratio 0.3
0.28
Rockwell C Hardness 31
26
Shear Modulus, GPa 75
78
Shear Strength, MPa 640
950
Tensile Strength: Ultimate (UTS), MPa 1030
1570
Tensile Strength: Yield (Proof), MPa 760
660

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 34
14
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 5.1
3.2
Embodied Energy, MJ/kg 68
44
Embodied Water, L/kg 150
130

Common Calculations

PREN (Pitting Resistance) 16
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
170
Resilience: Unit (Modulus of Resilience), kJ/m3 1490
1070
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 35
56
Strength to Weight: Bending, points 28
38
Thermal Shock Resistance, points 31
51

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
0.070 to 0.11
Chromium (Cr), % 0
16 to 17
Cobalt (Co), % 8.5 to 9.5
0
Iron (Fe), % 65 to 68.4
72.7 to 76.9
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
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