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EN 1.8838 Steel vs. S41045 Stainless Steel

Both EN 1.8838 steel and S41045 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.8838 steel and the bottom bar is S41045 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
25
Fatigue Strength, MPa 290
160
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 380
280
Tensile Strength: Ultimate (UTS), MPa 610
430
Tensile Strength: Yield (Proof), MPa 430
230

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 410
740
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 44
29
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
8.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
2.2
Embodied Energy, MJ/kg 23
31
Embodied Water, L/kg 50
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
92
Resilience: Unit (Modulus of Resilience), kJ/m3 500
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
16
Strength to Weight: Bending, points 20
16
Thermal Diffusivity, mm2/s 12
7.8
Thermal Shock Resistance, points 18
16

Alloy Composition

Aluminum (Al), % 0.015 to 0.054
0
Carbon (C), % 0 to 0.18
0 to 0.030
Chromium (Cr), % 0 to 0.35
12 to 13
Copper (Cu), % 0 to 0.6
0
Iron (Fe), % 95 to 99.985
83.8 to 88
Manganese (Mn), % 0 to 1.8
0 to 1.0
Molybdenum (Mo), % 0 to 0.23
0
Nickel (Ni), % 0 to 0.85
0 to 0.5
Niobium (Nb), % 0 to 0.060
0 to 0.6
Nitrogen (N), % 0 to 0.027
0 to 0.030
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.65
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Titanium (Ti), % 0 to 0.060
0
Vanadium (V), % 0 to 0.14
0