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Grade 200 Maraging Steel vs. EN 1.4988 Stainless Steel

Both grade 200 maraging steel and EN 1.4988 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 25 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 200 maraging steel and the bottom bar is EN 1.4988 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 9.1 to 18
34
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 74
77
Shear Strength, MPa 600 to 890
430
Tensile Strength: Ultimate (UTS), MPa 970 to 1500
640
Tensile Strength: Yield (Proof), MPa 690 to 1490
290

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 31
23
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 4.5
6.0
Embodied Energy, MJ/kg 59
89
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 11
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
180
Resilience: Unit (Modulus of Resilience), kJ/m3 1240 to 5740
210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 33 to 51
23
Strength to Weight: Bending, points 27 to 35
21
Thermal Shock Resistance, points 29 to 45
14

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
0.040 to 0.1
Chromium (Cr), % 0
15.5 to 17.5
Cobalt (Co), % 8.0 to 9.0
0
Iron (Fe), % 67.8 to 71.8
62.1 to 69.5
Manganese (Mn), % 0 to 0.1
0 to 1.5
Molybdenum (Mo), % 3.0 to 3.5
1.1 to 1.5
Nickel (Ni), % 17 to 19
12.5 to 14.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0
0.060 to 0.14
Phosphorus (P), % 0 to 0.010
0 to 0.035
Silicon (Si), % 0 to 0.1
0.3 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0.15 to 0.25
0
Vanadium (V), % 0
0.6 to 0.85
Zirconium (Zr), % 0 to 0.020
0