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EN 1.8516 Steel vs. EN 1.4438 Stainless Steel

Both EN 1.8516 steel and EN 1.4438 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.8516 steel and the bottom bar is EN 1.4438 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11
41
Fatigue Strength, MPa 570
220
Impact Strength: V-Notched Charpy, J 28
90
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
79
Shear Strength, MPa 660
420
Tensile Strength: Ultimate (UTS), MPa 1100
620
Tensile Strength: Yield (Proof), MPa 910
250

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 470
1000
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
22
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
4.4
Embodied Energy, MJ/kg 22
60
Embodied Water, L/kg 61
160

Common Calculations

PREN (Pitting Resistance) 5.2
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
200
Resilience: Unit (Modulus of Resilience), kJ/m3 2190
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 39
22
Strength to Weight: Bending, points 30
20
Thermal Diffusivity, mm2/s 10
3.7
Thermal Shock Resistance, points 32
14

Alloy Composition

Carbon (C), % 0.2 to 0.27
0 to 0.030
Chromium (Cr), % 3.0 to 3.5
17.5 to 19.5
Iron (Fe), % 94.6 to 96.1
57.3 to 66.5
Manganese (Mn), % 0.4 to 0.7
0 to 2.0
Molybdenum (Mo), % 0.5 to 0.7
3.0 to 4.0
Nickel (Ni), % 0
13 to 16
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.015