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EN 1.3967 Stainless Steel vs. S82121 Stainless Steel

Both EN 1.3967 stainless steel and S82121 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.3967 stainless steel and the bottom bar is S82121 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 22
28
Fatigue Strength, MPa 240
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 79
78
Tensile Strength: Ultimate (UTS), MPa 690
730
Tensile Strength: Yield (Proof), MPa 350
510

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 440
430
Maximum Temperature: Mechanical, °C 1070
1020
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
14
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.8
2.8
Embodied Energy, MJ/kg 66
40
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 36
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
180
Resilience: Unit (Modulus of Resilience), kJ/m3 310
660
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
26
Strength to Weight: Bending, points 22
23
Thermal Shock Resistance, points 15
20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.035
Chromium (Cr), % 20 to 21.5
21 to 23
Copper (Cu), % 0
0.2 to 1.2
Iron (Fe), % 50.3 to 57.8
66.7 to 75.4
Manganese (Mn), % 4.0 to 6.0
1.0 to 2.5
Molybdenum (Mo), % 3.0 to 3.5
0.3 to 1.3
Nickel (Ni), % 15 to 17
2.0 to 4.0
Niobium (Nb), % 0 to 0.25
0
Nitrogen (N), % 0.2 to 0.35
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 0.010
0 to 0.010