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Grade 200 Maraging Steel vs. S30815 Stainless Steel

Both grade 200 maraging steel and S30815 stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is grade 200 maraging steel and the bottom bar is S30815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 9.1 to 18
45
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 74
77
Shear Strength, MPa 600 to 890
480
Tensile Strength: Ultimate (UTS), MPa 970 to 1500
680
Tensile Strength: Yield (Proof), MPa 690 to 1490
350

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 460
490
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 31
17
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 4.5
3.3
Embodied Energy, MJ/kg 59
47
Embodied Water, L/kg 140
160

Common Calculations

PREN (Pitting Resistance) 11
24
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
260
Resilience: Unit (Modulus of Resilience), kJ/m3 1240 to 5740
310
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 33 to 51
25
Strength to Weight: Bending, points 27 to 35
22
Thermal Shock Resistance, points 29 to 45
15

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
0.050 to 0.1
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 0
20 to 22
Cobalt (Co), % 8.0 to 9.0
0
Iron (Fe), % 67.8 to 71.8
62.8 to 68.4
Manganese (Mn), % 0 to 0.1
0 to 0.8
Molybdenum (Mo), % 3.0 to 3.5
0
Nickel (Ni), % 17 to 19
10 to 12
Nitrogen (N), % 0
0.14 to 0.2
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.1
1.4 to 2.0
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