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EN 1.4971 Stainless Steel vs. Grade 200 Maraging Steel

Both EN 1.4971 stainless steel and grade 200 maraging steel are iron alloys. They have 60% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4971 stainless steel and the bottom bar is grade 200 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
9.1 to 18
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 81
74
Shear Strength, MPa 530
600 to 890
Tensile Strength: Ultimate (UTS), MPa 800
970 to 1500
Tensile Strength: Yield (Proof), MPa 340
690 to 1490

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 450
460
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
31
Density, g/cm3 8.4
8.2
Embodied Carbon, kg CO2/kg material 7.6
4.5
Embodied Energy, MJ/kg 110
59
Embodied Water, L/kg 300
140

Common Calculations

PREN (Pitting Resistance) 38
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 280
1240 to 5740
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 26
33 to 51
Strength to Weight: Bending, points 23
27 to 35
Thermal Shock Resistance, points 19
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), % 0.080 to 0.16
0 to 0.030
Chromium (Cr), % 20 to 22.5
0
Cobalt (Co), % 18.5 to 21
8.0 to 9.0
Iron (Fe), % 24.3 to 37.1
67.8 to 71.8
Manganese (Mn), % 0 to 2.0
0 to 0.1
Molybdenum (Mo), % 2.5 to 3.5
3.0 to 3.5
Nickel (Ni), % 19 to 21
17 to 19
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
0.15 to 0.25
Tungsten (W), % 2.0 to 3.0
0
Zirconium (Zr), % 0
0 to 0.020