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EN 1.8838 Steel vs. EN 1.4901 Stainless Steel

Both EN 1.8838 steel and EN 1.4901 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.8838 steel and the bottom bar is EN 1.4901 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
19
Fatigue Strength, MPa 290
310
Impact Strength: V-Notched Charpy, J 58
38
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 380
460
Tensile Strength: Ultimate (UTS), MPa 610
740
Tensile Strength: Yield (Proof), MPa 430
490

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 410
650
Melting Completion (Liquidus), °C 1460
1490
Melting Onset (Solidus), °C 1420
1450
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 44
26
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
11
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
2.8
Embodied Energy, MJ/kg 23
40
Embodied Water, L/kg 50
89

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
120
Resilience: Unit (Modulus of Resilience), kJ/m3 500
620
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
26
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 12
6.9
Thermal Shock Resistance, points 18
23

Alloy Composition

Aluminum (Al), % 0.015 to 0.054
0 to 0.020
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0 to 0.18
0.070 to 0.13
Chromium (Cr), % 0 to 0.35
8.5 to 9.5
Copper (Cu), % 0 to 0.6
0
Iron (Fe), % 95 to 99.985
85.8 to 89.1
Manganese (Mn), % 0 to 1.8
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.23
0.3 to 0.6
Nickel (Ni), % 0 to 0.85
0 to 0.4
Niobium (Nb), % 0 to 0.060
0.040 to 0.090
Nitrogen (N), % 0 to 0.027
0.030 to 0.070
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 0.65
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.010
Titanium (Ti), % 0 to 0.060
0 to 0.010
Tungsten (W), % 0
1.5 to 2.0
Vanadium (V), % 0 to 0.14
0.15 to 0.25
Zirconium (Zr), % 0
0 to 0.010