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Grade 300 Maraging Steel vs. EN 1.4612 Stainless Steel

Both grade 300 maraging steel and EN 1.4612 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade 300 maraging steel and the bottom bar is EN 1.4612 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 6.5 to 18
11
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 75
76
Shear Strength, MPa 640 to 1190
1010 to 1110
Tensile Strength: Ultimate (UTS), MPa 1030 to 2030
1690 to 1850
Tensile Strength: Yield (Proof), MPa 760 to 1990
1570 to 1730

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1480
1450
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 34
16
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 5.1
3.6
Embodied Energy, MJ/kg 68
50
Embodied Water, L/kg 150
140

Common Calculations

PREN (Pitting Resistance) 16
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 170
190 to 210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 35 to 68
60 to 65
Strength to Weight: Bending, points 28 to 43
40 to 43
Thermal Shock Resistance, points 31 to 62
58 to 63

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
1.4 to 1.8
Boron (B), % 0 to 0.0030
0
Calcium (Ca), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0 to 0.015
Chromium (Cr), % 0
11 to 12.5
Cobalt (Co), % 8.5 to 9.5
0
Iron (Fe), % 65 to 68.4
71.5 to 75.5
Manganese (Mn), % 0 to 0.1
0 to 0.1
Molybdenum (Mo), % 4.6 to 5.2
1.8 to 2.3
Nickel (Ni), % 18 to 19
10.2 to 11.3
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.010
0 to 0.010
Silicon (Si), % 0 to 0.1
0 to 0.1
Sulfur (S), % 0 to 0.010
0 to 0.0050
Titanium (Ti), % 0.5 to 0.8
0.2 to 0.5
Zirconium (Zr), % 0 to 0.020
0