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EN 1.8515 Steel vs. EN 1.4517 Stainless Steel

Both EN 1.8515 steel and EN 1.4517 stainless steel are iron alloys. They have 65% 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 1.8515 steel and the bottom bar is EN 1.4517 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11
25
Fatigue Strength, MPa 580
380
Impact Strength: V-Notched Charpy, J 29
56
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
79
Tensile Strength: Ultimate (UTS), MPa 1130
730
Tensile Strength: Yield (Proof), MPa 940
550

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 470
1100
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
17
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
20
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
3.8
Embodied Energy, MJ/kg 22
53
Embodied Water, L/kg 60
180

Common Calculations

PREN (Pitting Resistance) 4.4
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
170
Resilience: Unit (Modulus of Resilience), kJ/m3 2310
740
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 40
26
Strength to Weight: Bending, points 31
23
Thermal Diffusivity, mm2/s 11
4.6
Thermal Shock Resistance, points 33
20

Alloy Composition

Carbon (C), % 0.28 to 0.35
0 to 0.030
Chromium (Cr), % 2.8 to 3.3
24.5 to 26.5
Copper (Cu), % 0
2.8 to 3.5
Iron (Fe), % 94.7 to 96.5
56.7 to 65.1
Manganese (Mn), % 0.4 to 0.7
0 to 1.5
Molybdenum (Mo), % 0.3 to 0.5
2.5 to 3.5
Nickel (Ni), % 0 to 0.3
5.0 to 7.0
Nitrogen (N), % 0
0.12 to 0.22
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.025