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S82012 Stainless Steel vs. EN 1.4424 Stainless Steel

Both S82012 stainless steel and EN 1.4424 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 (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 1.4424 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
28
Fatigue Strength, MPa 480
350 to 370
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
78
Shear Strength, MPa 550
520
Tensile Strength: Ultimate (UTS), MPa 800
800
Tensile Strength: Yield (Proof), MPa 560
480 to 500

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 950
960
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 13
12

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
15
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.4
3.4
Embodied Energy, MJ/kg 35
46
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 24
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
190 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 790
580 to 640
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
29
Strength to Weight: Bending, points 25
25
Thermal Diffusivity, mm2/s 3.9
3.5
Thermal Shock Resistance, points 23
23

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 19 to 20.5
18 to 19
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 71.3 to 77.9
68.6 to 72.4
Manganese (Mn), % 2.0 to 4.0
1.2 to 2.0
Molybdenum (Mo), % 0.1 to 0.6
2.5 to 3.0
Nickel (Ni), % 0.8 to 1.5
4.5 to 5.2
Nitrogen (N), % 0.16 to 0.26
0.050 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.8
1.4 to 2.0
Sulfur (S), % 0 to 0.0050
0 to 0.015