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Grade 350 Maraging Steel vs. EN 1.4938 Stainless Steel

Both grade 350 maraging steel and EN 1.4938 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 24 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 350 maraging steel and the bottom bar is EN 1.4938 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.1 to 18
16 to 17
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 75
76
Shear Strength, MPa 710 to 1400
540 to 630
Tensile Strength: Ultimate (UTS), MPa 1140 to 2420
870 to 1030
Tensile Strength: Yield (Proof), MPa 830 to 2300
640 to 870

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 39
10
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 5.6
3.3
Embodied Energy, MJ/kg 74
47
Embodied Water, L/kg 160
110

Common Calculations

PREN (Pitting Resistance) 16
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 190
140 to 160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 38 to 82
31 to 37
Strength to Weight: Bending, points 29 to 49
26 to 29
Thermal Shock Resistance, points 35 to 74
30 to 35

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
0.080 to 0.15
Chromium (Cr), % 0
11 to 12.5
Cobalt (Co), % 11.5 to 12.5
0
Iron (Fe), % 61.2 to 64.6
80.5 to 84.8
Manganese (Mn), % 0 to 0.1
0.4 to 0.9
Molybdenum (Mo), % 4.6 to 5.2
1.5 to 2.0
Nickel (Ni), % 18 to 19
2.0 to 3.0
Nitrogen (N), % 0
0.020 to 0.040
Phosphorus (P), % 0 to 0.010
0 to 0.025
Silicon (Si), % 0 to 0.1
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 1.3 to 1.6
0
Vanadium (V), % 0
0.25 to 0.4
Zirconium (Zr), % 0 to 0.020
0

Comparable Variants