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EN 1.4980 Stainless Steel vs. S82121 Stainless Steel

Both EN 1.4980 stainless steel and S82121 stainless steel are iron alloys. They have 74% 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 EN 1.4980 stainless steel and the bottom bar is S82121 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
28
Fatigue Strength, MPa 410
370
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 75
78
Shear Strength, MPa 630
470
Tensile Strength: Ultimate (UTS), MPa 1030
730
Tensile Strength: Yield (Proof), MPa 680
510

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 780
430
Maximum Temperature: Mechanical, °C 920
1020
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 26
14
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 6.0
2.8
Embodied Energy, MJ/kg 87
40
Embodied Water, L/kg 170
150

Common Calculations

PREN (Pitting Resistance) 19
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
180
Resilience: Unit (Modulus of Resilience), kJ/m3 1180
660
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 36
26
Strength to Weight: Bending, points 28
23
Thermal Diffusivity, mm2/s 3.5
4.0
Thermal Shock Resistance, points 22
20

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.030 to 0.080
0 to 0.035
Chromium (Cr), % 13.5 to 16
21 to 23
Copper (Cu), % 0
0.2 to 1.2
Iron (Fe), % 49.2 to 58.5
66.7 to 75.4
Manganese (Mn), % 1.0 to 2.0
1.0 to 2.5
Molybdenum (Mo), % 1.0 to 1.5
0.3 to 1.3
Nickel (Ni), % 24 to 27
2.0 to 4.0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 1.9 to 2.3
0
Vanadium (V), % 0.1 to 0.5
0