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Grade 300 Maraging Steel vs. S32202 Stainless Steel

Both grade 300 maraging steel and S32202 stainless steel are iron alloys. They have 69% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grade 300 maraging steel and the bottom bar is S32202 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 6.5 to 18
34
Poisson's Ratio 0.3
0.27
Rockwell C Hardness 31 to 56
27
Shear Modulus, GPa 75
79
Shear Strength, MPa 640 to 1190
490
Tensile Strength: Ultimate (UTS), MPa 1030 to 2030
730
Tensile Strength: Yield (Proof), MPa 760 to 1990
510

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Melting Completion (Liquidus), °C 1480
1430
Melting Onset (Solidus), °C 1430
1380
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 34
12
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 5.1
2.6
Embodied Energy, MJ/kg 68
37
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 16
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 170
220
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 35 to 68
27
Strength to Weight: Bending, points 28 to 43
24
Thermal Shock Resistance, points 31 to 62
20

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 0.030
Chromium (Cr), % 0
21.5 to 24
Cobalt (Co), % 8.5 to 9.5
0
Iron (Fe), % 65 to 68.4
69.4 to 77.3
Manganese (Mn), % 0 to 0.1
0 to 2.0
Molybdenum (Mo), % 4.6 to 5.2
0 to 0.45
Nickel (Ni), % 18 to 19
1.0 to 2.8
Nitrogen (N), % 0
0.18 to 0.26
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 0.010
Titanium (Ti), % 0.5 to 0.8
0
Zirconium (Zr), % 0 to 0.020
0