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Grade 200 Maraging Steel vs. S15500 Stainless Steel

Both grade 200 maraging steel and S15500 stainless steel are iron alloys. 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 (11, in this case) are not shown.

For each property being compared, the top bar is grade 200 maraging steel and the bottom bar is S15500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 9.1 to 18
6.8 to 16
Poisson's Ratio 0.3
0.28
Rockwell C Hardness 29 to 45
27 to 46
Shear Modulus, GPa 74
75
Shear Strength, MPa 600 to 890
540 to 870
Tensile Strength: Ultimate (UTS), MPa 970 to 1500
890 to 1490
Tensile Strength: Yield (Proof), MPa 690 to 1490
590 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 31
13
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.5
2.7
Embodied Energy, MJ/kg 59
39
Embodied Water, L/kg 140
130

Common Calculations

PREN (Pitting Resistance) 11
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
98 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 1240 to 5740
890 to 4460
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 33 to 51
32 to 53
Strength to Weight: Bending, points 27 to 35
26 to 37
Thermal Shock Resistance, points 29 to 45
30 to 50

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 0.070
Chromium (Cr), % 0
14 to 15.5
Cobalt (Co), % 8.0 to 9.0
0
Copper (Cu), % 0
2.5 to 4.5
Iron (Fe), % 67.8 to 71.8
71.9 to 79.9
Manganese (Mn), % 0 to 0.1
0 to 1.0
Molybdenum (Mo), % 3.0 to 3.5
0
Nickel (Ni), % 17 to 19
3.5 to 5.5
Niobium (Nb), % 0
0.15 to 0.45
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.15 to 0.25
0
Zirconium (Zr), % 0 to 0.020
0