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Grade 200 Maraging Steel vs. S45500 Stainless Steel

Both grade 200 maraging steel and S45500 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade 200 maraging steel and the bottom bar is S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 9.1 to 18
3.4 to 11
Poisson's Ratio 0.3
0.28
Rockwell C Hardness 29 to 45
32 to 54
Shear Modulus, GPa 74
75
Shear Strength, MPa 600 to 890
790 to 1090
Tensile Strength: Ultimate (UTS), MPa 970 to 1500
1370 to 1850
Tensile Strength: Yield (Proof), MPa 690 to 1490
1240 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 31
17
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 4.5
3.8
Embodied Energy, MJ/kg 59
57
Embodied Water, L/kg 140
120

Common Calculations

PREN (Pitting Resistance) 11
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
45 to 190
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 33 to 51
48 to 65
Strength to Weight: Bending, points 27 to 35
35 to 42
Thermal Shock Resistance, points 29 to 45
48 to 64

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 0.050
Chromium (Cr), % 0
11 to 12.5
Cobalt (Co), % 8.0 to 9.0
0
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 67.8 to 71.8
71.5 to 79.2
Manganese (Mn), % 0 to 0.1
0 to 0.5
Molybdenum (Mo), % 3.0 to 3.5
0 to 0.5
Nickel (Ni), % 17 to 19
7.5 to 9.5
Niobium (Nb), % 0
0 to 0.5
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
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0.15 to 0.25
0.8 to 1.4
Zirconium (Zr), % 0 to 0.020
0

Comparable Variants