Grade 200 Maraging Steel vs. AISI 420 Stainless Steel
Both grade 200 maraging steel and AISI 420 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 25 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 AISI 420 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 9.1 to 18 | |
8.0 to 15 |
Poisson's Ratio | 0.3 | |
0.28 |
Shear Modulus, GPa | 74 | |
76 |
Shear Strength, MPa | 600 to 890 | |
420 to 1010 |
Tensile Strength: Ultimate (UTS), MPa | 970 to 1500 | |
690 to 1720 |
Tensile Strength: Yield (Proof), MPa | 690 to 1490 | |
380 to 1310 |
Thermal Properties
Latent Heat of Fusion, J/g | 260 | |
280 |
Melting Completion (Liquidus), °C | 1460 | |
1510 |
Melting Onset (Solidus), °C | 1420 | |
1450 |
Specific Heat Capacity, J/kg-K | 460 | |
480 |
Thermal Expansion, µm/m-K | 12 | |
10 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 31 | |
7.5 |
Density, g/cm3 | 8.2 | |
7.7 |
Embodied Carbon, kg CO2/kg material | 4.5 | |
2.0 |
Embodied Energy, MJ/kg | 59 | |
28 |
Embodied Water, L/kg | 140 | |
100 |
Common Calculations
PREN (Pitting Resistance) | 11 | |
14 |
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 160 | |
88 to 130 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 1240 to 5740 | |
380 to 4410 |
Stiffness to Weight: Axial, points | 13 | |
14 |
Stiffness to Weight: Bending, points | 23 | |
25 |
Strength to Weight: Axial, points | 33 to 51 | |
25 to 62 |
Strength to Weight: Bending, points | 27 to 35 | |
22 to 41 |
Thermal Shock Resistance, points | 29 to 45 | |
25 to 62 |
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 | |
0.15 to 0.4 |
Chromium (Cr), % | 0 | |
12 to 14 |
Cobalt (Co), % | 8.0 to 9.0 | |
0 |
Iron (Fe), % | 67.8 to 71.8 | |
82.3 to 87.9 |
Manganese (Mn), % | 0 to 0.1 | |
0 to 1.0 |
Molybdenum (Mo), % | 3.0 to 3.5 | |
0 to 0.5 |
Nickel (Ni), % | 17 to 19 | |
0 to 0.75 |
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 |