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EN 1.4857 Stainless Steel vs. EN 1.8515 Steel

Both EN 1.4857 stainless steel and EN 1.8515 steel are iron alloys. They have 41% 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 1.4857 stainless steel and the bottom bar is EN 1.8515 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
340
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 6.7
11
Fatigue Strength, MPa 120
580
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
74
Tensile Strength: Ultimate (UTS), MPa 500
1130
Tensile Strength: Yield (Proof), MPa 250
940

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 1100
470
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1320
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
40
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 34
3.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.7
1.6
Embodied Energy, MJ/kg 81
22
Embodied Water, L/kg 220
60

Common Calculations

PREN (Pitting Resistance) 26
4.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
120
Resilience: Unit (Modulus of Resilience), kJ/m3 150
2310
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
40
Strength to Weight: Bending, points 18
31
Thermal Diffusivity, mm2/s 3.4
11
Thermal Shock Resistance, points 11
33

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.28 to 0.35
Chromium (Cr), % 24 to 27
2.8 to 3.3
Iron (Fe), % 31.4 to 41.7
94.7 to 96.5
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 0 to 0.5
0.3 to 0.5
Nickel (Ni), % 33 to 36
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 1.0 to 2.5
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035