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S82122 Stainless Steel vs. EN 1.4971 Stainless Steel

Both S82122 stainless steel and EN 1.4971 stainless steel are iron alloys. They have 56% of their average alloy composition in common. There are 31 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 S82122 stainless steel and the bottom bar is EN 1.4971 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
240
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 34
34
Fatigue Strength, MPa 360
270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
81
Shear Strength, MPa 460
530
Tensile Strength: Ultimate (UTS), MPa 680
800
Tensile Strength: Yield (Proof), MPa 450
340

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 430
570
Maximum Temperature: Mechanical, °C 990
1100
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 12
70
Density, g/cm3 7.7
8.4
Embodied Carbon, kg CO2/kg material 2.6
7.6
Embodied Energy, MJ/kg 37
110
Embodied Water, L/kg 150
300

Common Calculations

PREN (Pitting Resistance) 25
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
220
Resilience: Unit (Modulus of Resilience), kJ/m3 510
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
26
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 4.0
3.4
Thermal Shock Resistance, points 19
19

Alloy Composition

Carbon (C), % 0 to 0.030
0.080 to 0.16
Chromium (Cr), % 20.5 to 21.5
20 to 22.5
Cobalt (Co), % 0
18.5 to 21
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 68.9 to 75.4
24.3 to 37.1
Manganese (Mn), % 2.0 to 4.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.6
2.5 to 3.5
Nickel (Ni), % 1.5 to 2.5
19 to 21
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0.15 to 0.2
0.1 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015
Tungsten (W), % 0
2.0 to 3.0