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EN 1.4515 Stainless Steel vs. EN 1.8516 Steel

Both EN 1.4515 stainless steel and EN 1.8516 steel are iron alloys. They have 67% 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 1.4515 stainless steel and the bottom bar is EN 1.8516 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25
11
Fatigue Strength, MPa 380
570
Impact Strength: V-Notched Charpy, J 67
28
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
74
Tensile Strength: Ultimate (UTS), MPa 730
1100
Tensile Strength: Yield (Proof), MPa 550
910

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1100
470
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 19
3.7
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.8
1.7
Embodied Energy, MJ/kg 53
22
Embodied Water, L/kg 180
61

Common Calculations

PREN (Pitting Resistance) 38
5.2
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
120
Resilience: Unit (Modulus of Resilience), kJ/m3 730
2190
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
39
Strength to Weight: Bending, points 23
30
Thermal Diffusivity, mm2/s 4.3
10
Thermal Shock Resistance, points 20
32

Alloy Composition

Carbon (C), % 0 to 0.030
0.2 to 0.27
Chromium (Cr), % 24.5 to 26.5
3.0 to 3.5
Copper (Cu), % 0.8 to 1.3
0
Iron (Fe), % 58.4 to 66.6
94.6 to 96.1
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 2.5 to 3.5
0.5 to 0.7
Nickel (Ni), % 5.5 to 7.0
0
Nitrogen (N), % 0.12 to 0.25
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.035