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S44660 Stainless Steel vs. EN 1.8515 Steel

Both S44660 stainless steel and EN 1.8515 steel are iron alloys. They have 70% 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 S44660 stainless steel and the bottom bar is EN 1.8515 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
340
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 20
11
Fatigue Strength, MPa 330
580
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
74
Shear Strength, MPa 410
680
Tensile Strength: Ultimate (UTS), MPa 660
1130
Tensile Strength: Yield (Proof), MPa 510
940

Thermal Properties

Latent Heat of Fusion, J/g 300
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 2.5
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 21
3.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 4.3
1.6
Embodied Energy, MJ/kg 61
22
Embodied Water, L/kg 180
60

Common Calculations

PREN (Pitting Resistance) 38
4.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 640
2310
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
40
Strength to Weight: Bending, points 22
31
Thermal Diffusivity, mm2/s 4.5
11
Thermal Shock Resistance, points 21
33

Alloy Composition

Carbon (C), % 0 to 0.030
0.28 to 0.35
Chromium (Cr), % 25 to 28
2.8 to 3.3
Iron (Fe), % 60.4 to 71
94.7 to 96.5
Manganese (Mn), % 0 to 1.0
0.4 to 0.7
Molybdenum (Mo), % 3.0 to 4.0
0.3 to 0.5
Nickel (Ni), % 1.0 to 3.5
0 to 0.3
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.040
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
Titanium (Ti), % 0.2 to 1.0
0