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S82012 Stainless Steel vs. EN 1.7202 Steel

Both S82012 stainless steel and EN 1.7202 steel are iron alloys. They have 77% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S82012 stainless steel and the bottom bar is EN 1.7202 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Rockwell C Hardness 27
48 to 56
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 800
530 to 1810

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 950
420
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
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.4
1.5
Embodied Energy, MJ/kg 35
20
Embodied Water, L/kg 140
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
19 to 64
Strength to Weight: Bending, points 25
19 to 42
Thermal Diffusivity, mm2/s 3.9
12
Thermal Shock Resistance, points 23
16 to 53

Alloy Composition

Carbon (C), % 0 to 0.050
0.35 to 0.4
Chromium (Cr), % 19 to 20.5
0.9 to 1.2
Copper (Cu), % 0 to 1.0
0 to 0.25
Iron (Fe), % 71.3 to 77.9
96.6 to 98
Manganese (Mn), % 2.0 to 4.0
0.6 to 0.9
Molybdenum (Mo), % 0.1 to 0.6
0.15 to 0.3
Nickel (Ni), % 0.8 to 1.5
0
Nitrogen (N), % 0.16 to 0.26
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.8
0 to 0.3
Sulfur (S), % 0 to 0.0050
0 to 0.025