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Grade 250 Maraging Steel vs. EN 1.4003 Stainless Steel

Both grade 250 maraging steel and EN 1.4003 stainless steel are iron alloys. They have 69% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is grade 250 maraging steel and the bottom bar is EN 1.4003 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 7.3 to 17
22
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 75
76
Shear Strength, MPa 600 to 1060
340
Tensile Strength: Ultimate (UTS), MPa 970 to 1800
540
Tensile Strength: Yield (Proof), MPa 660 to 1740
320

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1480
1440
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 32
6.5
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.9
1.9
Embodied Energy, MJ/kg 65
27
Embodied Water, L/kg 140
97

Common Calculations

PREN (Pitting Resistance) 16
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 150
100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 33 to 61
19
Strength to Weight: Bending, points 26 to 40
19
Thermal Shock Resistance, points 29 to 54
19

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
10.5 to 12.5
Cobalt (Co), % 7.0 to 8.5
0
Iron (Fe), % 66.3 to 71.1
83.9 to 89.2
Manganese (Mn), % 0 to 0.1
0 to 1.5
Molybdenum (Mo), % 4.6 to 5.2
0
Nickel (Ni), % 17 to 19
0.3 to 1.0
Nitrogen (N), % 0
0 to 0.030
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 0.015
Titanium (Ti), % 0.3 to 0.5
0
Zirconium (Zr), % 0 to 0.020
0