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Grade 350 Maraging Steel vs. AISI 204 Stainless Steel

Both grade 350 maraging steel and AISI 204 stainless steel are iron alloys. They have 65% of their average alloy composition in common. There are 24 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 350 maraging steel and the bottom bar is AISI 204 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.1 to 18
23 to 39
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 710 to 1400
500 to 700
Tensile Strength: Ultimate (UTS), MPa 1140 to 2420
730 to 1100
Tensile Strength: Yield (Proof), MPa 830 to 2300
380 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1470
1410
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 39
10
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 5.6
2.4
Embodied Energy, MJ/kg 74
35
Embodied Water, L/kg 160
130

Common Calculations

PREN (Pitting Resistance) 16
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 190
240 to 250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 38 to 82
27 to 40
Strength to Weight: Bending, points 29 to 49
24 to 31
Thermal Shock Resistance, points 35 to 74
16 to 24

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
15 to 17
Cobalt (Co), % 11.5 to 12.5
0
Iron (Fe), % 61.2 to 64.6
69.6 to 76.4
Manganese (Mn), % 0 to 0.1
7.0 to 9.0
Molybdenum (Mo), % 4.6 to 5.2
0
Nickel (Ni), % 18 to 19
1.5 to 3.0
Nitrogen (N), % 0
0.15 to 0.3
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), % 1.3 to 1.6
0
Zirconium (Zr), % 0 to 0.020
0

Comparable Variants