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EN 1.4592 Stainless Steel vs. EN 1.8515 Steel

Both EN 1.4592 stainless steel and EN 1.8515 steel are iron alloys. They have 70% 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 1.4592 stainless steel and the bottom bar is EN 1.8515 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 23
11
Fatigue Strength, MPa 340
580
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 82
74
Shear Strength, MPa 400
680
Tensile Strength: Ultimate (UTS), MPa 630
1130
Tensile Strength: Yield (Proof), MPa 500
940

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
470
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
40
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 18
3.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.8
1.6
Embodied Energy, MJ/kg 52
22
Embodied Water, L/kg 180
60

Common Calculations

PREN (Pitting Resistance) 43
4.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 610
2310
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 23
40
Strength to Weight: Bending, points 21
31
Thermal Diffusivity, mm2/s 4.6
11
Thermal Shock Resistance, points 20
33

Alloy Composition

Carbon (C), % 0 to 0.025
0.28 to 0.35
Chromium (Cr), % 28 to 30
2.8 to 3.3
Iron (Fe), % 62.6 to 68.4
94.7 to 96.5
Manganese (Mn), % 0 to 1.0
0.4 to 0.7
Molybdenum (Mo), % 3.5 to 4.5
0.3 to 0.5
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.045
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 0.010
0 to 0.035
Titanium (Ti), % 0.15 to 0.8
0