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S82012 Stainless Steel vs. EN 1.6771 Steel

Both S82012 stainless steel and EN 1.6771 steel are iron alloys. They have 78% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S82012 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, % 40
8.0 to 8.7
Fatigue Strength, MPa 480
440 to 680
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 800
930 to 1180
Tensile Strength: Yield (Proof), MPa 560
740 to 1140

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 950
440
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
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 11
5.0
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.4
1.9
Embodied Energy, MJ/kg 35
25
Embodied Water, L/kg 140
58

Common Calculations

PREN (Pitting Resistance) 24
2.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
75 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 790
1460 to 3450
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
33 to 41
Strength to Weight: Bending, points 25
27 to 31
Thermal Diffusivity, mm2/s 3.9
13
Thermal Shock Resistance, points 23
27 to 35

Alloy Composition

Carbon (C), % 0 to 0.050
0.27 to 0.33
Chromium (Cr), % 19 to 20.5
0.8 to 1.2
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 71.3 to 77.9
92.2 to 95
Manganese (Mn), % 2.0 to 4.0
0.6 to 1.0
Molybdenum (Mo), % 0.1 to 0.6
0.3 to 0.6
Nickel (Ni), % 0.8 to 1.5
3.0 to 4.0
Nitrogen (N), % 0.16 to 0.26
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.8
0 to 0.6
Sulfur (S), % 0 to 0.0050
0 to 0.020