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S82012 Stainless Steel vs. EN 1.4347 Stainless Steel

Both S82012 stainless steel and EN 1.4347 stainless steel are iron alloys. They have 88% 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 S82012 stainless steel and the bottom bar is EN 1.4347 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
23
Fatigue Strength, MPa 480
320
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
79
Tensile Strength: Ultimate (UTS), MPa 800
660
Tensile Strength: Yield (Proof), MPa 560
480

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 420
450
Maximum Temperature: Mechanical, °C 950
1100
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
16
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.4
3.1
Embodied Energy, MJ/kg 35
44
Embodied Water, L/kg 140
170

Common Calculations

PREN (Pitting Resistance) 24
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
140
Resilience: Unit (Modulus of Resilience), kJ/m3 790
570
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
24
Strength to Weight: Bending, points 25
22
Thermal Diffusivity, mm2/s 3.9
4.0
Thermal Shock Resistance, points 23
19

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.050
Chromium (Cr), % 19 to 20.5
25 to 27
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 71.3 to 77.9
62.2 to 69.4
Manganese (Mn), % 2.0 to 4.0
0 to 1.5
Molybdenum (Mo), % 0.1 to 0.6
0
Nickel (Ni), % 0.8 to 1.5
5.5 to 7.5
Nitrogen (N), % 0.16 to 0.26
0.1 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.8
0 to 1.5
Sulfur (S), % 0 to 0.0050
0 to 0.020