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EN 1.8888 Steel vs. S82012 Stainless Steel

Both EN 1.8888 steel and S82012 stainless steel are iron alloys. They have 78% 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 EN 1.8888 steel and the bottom bar is S82012 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
40
Fatigue Strength, MPa 470
480
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 510
550
Tensile Strength: Ultimate (UTS), MPa 830
800
Tensile Strength: Yield (Proof), MPa 720
560

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 420
950
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
11
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.9
2.4
Embodied Energy, MJ/kg 26
35
Embodied Water, L/kg 54
140

Common Calculations

PREN (Pitting Resistance) 2.0
24
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
290
Resilience: Unit (Modulus of Resilience), kJ/m3 1370
790
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
29
Strength to Weight: Bending, points 25
25
Thermal Diffusivity, mm2/s 11
3.9
Thermal Shock Resistance, points 24
23

Alloy Composition

Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.2
0 to 0.050
Chromium (Cr), % 0 to 1.5
19 to 20.5
Copper (Cu), % 0 to 0.3
0 to 1.0
Iron (Fe), % 91.9 to 100
71.3 to 77.9
Manganese (Mn), % 0 to 1.7
2.0 to 4.0
Molybdenum (Mo), % 0 to 0.7
0.1 to 0.6
Nickel (Ni), % 0 to 2.5
0.8 to 1.5
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.015
0.16 to 0.26
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 0.8
Sulfur (S), % 0 to 0.0050
0 to 0.0050
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.12
0
Zirconium (Zr), % 0 to 0.15
0