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EN 1.4669 Stainless Steel vs. EN 1.8515 Steel

Both EN 1.4669 stainless steel and EN 1.8515 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 1.4669 stainless steel and the bottom bar is EN 1.8515 steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1030
470
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
40
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 13
3.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.6
Embodied Energy, MJ/kg 38
22
Embodied Water, L/kg 160
60

Common Calculations

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

Alloy Composition

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