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S82012 Stainless Steel vs. EN 1.4409 Stainless Steel

Both S82012 stainless steel and EN 1.4409 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 (4, in this case) are not shown.

For each property being compared, the top bar is S82012 stainless steel and the bottom bar is EN 1.4409 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
34
Fatigue Strength, MPa 480
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
78
Tensile Strength: Ultimate (UTS), MPa 800
490
Tensile Strength: Yield (Proof), MPa 560
220

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 950
990
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 11
19
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.4
3.7
Embodied Energy, MJ/kg 35
52
Embodied Water, L/kg 140
160

Common Calculations

PREN (Pitting Resistance) 24
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
140
Resilience: Unit (Modulus of Resilience), kJ/m3 790
120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
17
Strength to Weight: Bending, points 25
18
Thermal Diffusivity, mm2/s 3.9
4.1
Thermal Shock Resistance, points 23
11

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 19 to 20.5
18 to 20
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 71.3 to 77.9
61.7 to 71
Manganese (Mn), % 2.0 to 4.0
0 to 2.0
Molybdenum (Mo), % 0.1 to 0.6
2.0 to 2.5
Nickel (Ni), % 0.8 to 1.5
9.0 to 12
Nitrogen (N), % 0.16 to 0.26
0 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 0.025