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EN 1.8515 Steel vs. S32101 Stainless Steel

Both EN 1.8515 steel and S32101 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 32 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 S32101 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
260
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11
34
Fatigue Strength, MPa 580
400
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
78
Shear Strength, MPa 680
490
Tensile Strength: Ultimate (UTS), MPa 1130
740
Tensile Strength: Yield (Proof), MPa 940
500

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 470
1000
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
12
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
150

Common Calculations

PREN (Pitting Resistance) 4.4
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
230
Resilience: Unit (Modulus of Resilience), kJ/m3 2310
640
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 40
27
Strength to Weight: Bending, points 31
24
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 33
20

Alloy Composition

Carbon (C), % 0.28 to 0.35
0 to 0.040
Chromium (Cr), % 2.8 to 3.3
21 to 22
Copper (Cu), % 0
0.1 to 0.8
Iron (Fe), % 94.7 to 96.5
67.3 to 73.3
Manganese (Mn), % 0.4 to 0.7
4.0 to 6.0
Molybdenum (Mo), % 0.3 to 0.5
0.1 to 0.8
Nickel (Ni), % 0 to 0.3
1.4 to 1.7
Nitrogen (N), % 0
0.2 to 0.25
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