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S82012 Stainless Steel vs. EN 1.4418 Stainless Steel

Both S82012 stainless steel and EN 1.4418 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 32 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 S82012 stainless steel and the bottom bar is EN 1.4418 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
16 to 20
Fatigue Strength, MPa 480
350 to 480
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 550
530 to 620
Tensile Strength: Ultimate (UTS), MPa 800
860 to 1000
Tensile Strength: Yield (Proof), MPa 560
540 to 790

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 950
870
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 13
10

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 11
13
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.4
2.8
Embodied Energy, MJ/kg 35
39
Embodied Water, L/kg 140
130

Common Calculations

PREN (Pitting Resistance) 24
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
130 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 790
730 to 1590
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
31 to 36
Strength to Weight: Bending, points 25
26 to 28
Thermal Diffusivity, mm2/s 3.9
4.0
Thermal Shock Resistance, points 23
31 to 36

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.060
Chromium (Cr), % 19 to 20.5
15 to 17
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 71.3 to 77.9
73.2 to 80.2
Manganese (Mn), % 2.0 to 4.0
0 to 1.5
Molybdenum (Mo), % 0.1 to 0.6
0.8 to 1.5
Nickel (Ni), % 0.8 to 1.5
4.0 to 6.0
Nitrogen (N), % 0.16 to 0.26
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 0.7
Sulfur (S), % 0 to 0.0050
0 to 0.015