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EN 1.8515 Steel vs. EN 1.4669 Stainless Steel

Both EN 1.8515 steel and EN 1.4669 stainless steel are iron alloys. They have 74% 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 1.8515 steel and the bottom bar is EN 1.4669 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
260
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11
28
Fatigue Strength, MPa 580
330
Impact Strength: V-Notched Charpy, J 29
110
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
78
Shear Strength, MPa 680
500
Tensile Strength: Ultimate (UTS), MPa 1130
780
Tensile Strength: Yield (Proof), MPa 940
450

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 470
1030
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
15
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
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.6
2.6
Embodied Energy, MJ/kg 22
38
Embodied Water, L/kg 60
160

Common Calculations

PREN (Pitting Resistance) 4.4
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
190
Resilience: Unit (Modulus of Resilience), kJ/m3 2310
510
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 40
28
Strength to Weight: Bending, points 31
24
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 33
21

Alloy Composition

Carbon (C), % 0.28 to 0.35
0 to 0.045
Chromium (Cr), % 2.8 to 3.3
21.5 to 24
Copper (Cu), % 0
1.6 to 3.0
Iron (Fe), % 94.7 to 96.5
65.2 to 74.8
Manganese (Mn), % 0.4 to 0.7
1.0 to 3.0
Molybdenum (Mo), % 0.3 to 0.5
0 to 0.5
Nickel (Ni), % 0 to 0.3
1.0 to 3.0
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.030