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AISI 304 Stainless Steel vs. Grade 200 Maraging Steel

Both AISI 304 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 (11, in this case) are not shown.

For each property being compared, the top bar is AISI 304 stainless steel and the bottom bar is grade 200 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 8.0 to 43
9.1 to 18
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 77
74
Shear Strength, MPa 400 to 690
600 to 890
Tensile Strength: Ultimate (UTS), MPa 580 to 1180
970 to 1500
Tensile Strength: Yield (Proof), MPa 230 to 860
690 to 1490

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
31
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 3.0
4.5
Embodied Energy, MJ/kg 43
59
Embodied Water, L/kg 150
140

Common Calculations

PREN (Pitting Resistance) 20
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 250
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1870
1240 to 5740
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 21 to 42
33 to 51
Strength to Weight: Bending, points 20 to 32
27 to 35
Thermal Shock Resistance, points 12 to 25
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 0.080
0 to 0.030
Chromium (Cr), % 18 to 20
0
Cobalt (Co), % 0
8.0 to 9.0
Iron (Fe), % 66.5 to 74
67.8 to 71.8
Manganese (Mn), % 0 to 2.0
0 to 0.1
Molybdenum (Mo), % 0
3.0 to 3.5
Nickel (Ni), % 8.0 to 10.5
17 to 19
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.010
Silicon (Si), % 0 to 0.75
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.15 to 0.25
Zirconium (Zr), % 0
0 to 0.020

Comparable Variants