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S45503 Stainless Steel vs. Grade 200 Maraging Steel

Both S45503 stainless steel and grade 200 maraging 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 S45503 stainless steel and the bottom bar is grade 200 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 4.6 to 6.8
9.1 to 18
Poisson's Ratio 0.28
0.3
Rockwell C Hardness 46 to 54
29 to 45
Shear Modulus, GPa 75
74
Shear Strength, MPa 940 to 1070
600 to 890
Tensile Strength: Ultimate (UTS), MPa 1610 to 1850
970 to 1500
Tensile Strength: Yield (Proof), MPa 1430 to 1700
690 to 1490

Thermal Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 15
31
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 3.4
4.5
Embodied Energy, MJ/kg 48
59
Embodied Water, L/kg 120
140

Common Calculations

PREN (Pitting Resistance) 13
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 82 to 110
140 to 160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 57 to 65
33 to 51
Strength to Weight: Bending, points 39 to 43
27 to 35
Thermal Shock Resistance, points 56 to 64
29 to 45

Alloy Composition

Aluminum (Al), % 0
0.050 to 0.15
Boron (B), % 0
0 to 0.0030
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0 to 0.010
0 to 0.030
Chromium (Cr), % 11 to 12.5
0
Cobalt (Co), % 0
8.0 to 9.0
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 72.4 to 78.9
67.8 to 71.8
Manganese (Mn), % 0 to 0.5
0 to 0.1
Molybdenum (Mo), % 0 to 0.5
3.0 to 3.5
Nickel (Ni), % 7.5 to 9.5
17 to 19
Niobium (Nb), % 0.1 to 0.5
0
Phosphorus (P), % 0 to 0.010
0 to 0.010
Silicon (Si), % 0 to 0.2
0 to 0.1
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 1.0 to 1.4
0.15 to 0.25
Zirconium (Zr), % 0
0 to 0.020