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S82012 Stainless Steel vs. EN 1.4988 Stainless Steel

Both S82012 stainless steel and EN 1.4988 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S82012 stainless steel and the bottom bar is EN 1.4988 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
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 550
430
Tensile Strength: Ultimate (UTS), MPa 800
640
Tensile Strength: Yield (Proof), MPa 560
290

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 420
520
Maximum Temperature: Mechanical, °C 950
920
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 13
16

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
23
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.4
6.0
Embodied Energy, MJ/kg 35
89
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 24
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
180
Resilience: Unit (Modulus of Resilience), kJ/m3 790
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
23
Strength to Weight: Bending, points 25
21
Thermal Diffusivity, mm2/s 3.9
4.0
Thermal Shock Resistance, points 23
14

Alloy Composition

Carbon (C), % 0 to 0.050
0.040 to 0.1
Chromium (Cr), % 19 to 20.5
15.5 to 17.5
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 71.3 to 77.9
62.1 to 69.5
Manganese (Mn), % 2.0 to 4.0
0 to 1.5
Molybdenum (Mo), % 0.1 to 0.6
1.1 to 1.5
Nickel (Ni), % 0.8 to 1.5
12.5 to 14.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0.16 to 0.26
0.060 to 0.14
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 0.015
Vanadium (V), % 0
0.6 to 0.85