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S82012 Stainless Steel vs. EN 1.8509 Steel

Both S82012 stainless steel and EN 1.8509 steel are iron alloys. They have 77% 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 1.8509 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
11
Fatigue Strength, MPa 480
580
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 550
680
Tensile Strength: Ultimate (UTS), MPa 800
1130
Tensile Strength: Yield (Proof), MPa 560
940

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 950
440
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.4
1.6
Embodied Energy, MJ/kg 35
22
Embodied Water, L/kg 140
65

Common Calculations

PREN (Pitting Resistance) 24
2.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
120
Resilience: Unit (Modulus of Resilience), kJ/m3 790
2340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
40
Strength to Weight: Bending, points 25
31
Thermal Diffusivity, mm2/s 3.9
10
Thermal Shock Resistance, points 23
33

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0 to 0.050
0.38 to 0.45
Chromium (Cr), % 19 to 20.5
1.5 to 1.8
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 71.3 to 77.9
95.5 to 97.1
Manganese (Mn), % 2.0 to 4.0
0.4 to 0.7
Molybdenum (Mo), % 0.1 to 0.6
0.2 to 0.35
Nickel (Ni), % 0.8 to 1.5
0
Nitrogen (N), % 0.16 to 0.26
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.8
0 to 0.4
Sulfur (S), % 0 to 0.0050
0 to 0.035