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S82012 Stainless Steel vs. EN 1.4374 Stainless Steel

Both S82012 stainless steel and EN 1.4374 stainless steel are iron alloys. They have 89% 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 1.4374 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
40
Fatigue Strength, MPa 480
340
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 550
550
Tensile Strength: Ultimate (UTS), MPa 800
800
Tensile Strength: Yield (Proof), MPa 560
400

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 950
920
Melting Completion (Liquidus), °C 1430
1400
Melting Onset (Solidus), °C 1380
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
14
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.4
2.9
Embodied Energy, MJ/kg 35
42
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 24
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
270
Resilience: Unit (Modulus of Resilience), kJ/m3 790
400
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
4.0
Thermal Shock Resistance, points 23
17

Alloy Composition

Carbon (C), % 0 to 0.050
0.050 to 0.1
Chromium (Cr), % 19 to 20.5
17.5 to 18.5
Copper (Cu), % 0 to 1.0
0 to 0.4
Iron (Fe), % 71.3 to 77.9
63.5 to 67.9
Manganese (Mn), % 2.0 to 4.0
9.0 to 10
Molybdenum (Mo), % 0.1 to 0.6
0 to 0.5
Nickel (Ni), % 0.8 to 1.5
5.0 to 6.0
Nitrogen (N), % 0.16 to 0.26
0.25 to 0.32
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.8
0.3 to 0.6
Sulfur (S), % 0 to 0.0050
0 to 0.030