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EN 1.4515 Stainless Steel vs. EN 1.6771 Steel

Both EN 1.4515 stainless steel and EN 1.6771 steel are iron alloys. They have 69% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4515 stainless steel and the bottom bar is EN 1.6771 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25
8.0 to 8.7
Fatigue Strength, MPa 380
440 to 680
Impact Strength: V-Notched Charpy, J 67
20 to 32
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 730
930 to 1180
Tensile Strength: Yield (Proof), MPa 550
740 to 1140

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
440
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 19
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.8
1.9
Embodied Energy, MJ/kg 53
25
Embodied Water, L/kg 180
58

Common Calculations

PREN (Pitting Resistance) 38
2.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
75 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 730
1460 to 3450
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
33 to 41
Strength to Weight: Bending, points 23
27 to 31
Thermal Diffusivity, mm2/s 4.3
13
Thermal Shock Resistance, points 20
27 to 35

Alloy Composition

Carbon (C), % 0 to 0.030
0.27 to 0.33
Chromium (Cr), % 24.5 to 26.5
0.8 to 1.2
Copper (Cu), % 0.8 to 1.3
0
Iron (Fe), % 58.4 to 66.6
92.2 to 95
Manganese (Mn), % 0 to 2.0
0.6 to 1.0
Molybdenum (Mo), % 2.5 to 3.5
0.3 to 0.6
Nickel (Ni), % 5.5 to 7.0
3.0 to 4.0
Nitrogen (N), % 0.12 to 0.25
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.020
0 to 0.020