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EN 1.4458 Stainless Steel vs. EN 1.8516 Steel

Both EN 1.4458 stainless steel and EN 1.8516 steel are iron alloys. They have 51% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4458 stainless steel and the bottom bar is EN 1.8516 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
330
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
11
Fatigue Strength, MPa 150
570
Impact Strength: V-Notched Charpy, J 67
28
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
74
Tensile Strength: Ultimate (UTS), MPa 510
1100
Tensile Strength: Yield (Proof), MPa 190
910

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1100
470
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
39
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 30
3.7
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.4
1.7
Embodied Energy, MJ/kg 75
22
Embodied Water, L/kg 200
61

Common Calculations

PREN (Pitting Resistance) 30
5.2
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
120
Resilience: Unit (Modulus of Resilience), kJ/m3 89
2190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
39
Strength to Weight: Bending, points 18
30
Thermal Diffusivity, mm2/s 4.2
10
Thermal Shock Resistance, points 12
32

Alloy Composition

Carbon (C), % 0 to 0.030
0.2 to 0.27
Chromium (Cr), % 19 to 22
3.0 to 3.5
Copper (Cu), % 0 to 2.0
0
Iron (Fe), % 40.2 to 53
94.6 to 96.1
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 2.0 to 2.5
0.5 to 0.7
Nickel (Ni), % 26 to 30
0
Nitrogen (N), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.035