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S82121 Stainless Steel vs. EN 1.0038 Steel

Both S82121 stainless steel and EN 1.0038 steel are iron alloys. They have 73% 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 S82121 stainless steel and the bottom bar is EN 1.0038 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
110 to 120
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
23 to 25
Fatigue Strength, MPa 370
140 to 160
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 470
240 to 270
Tensile Strength: Ultimate (UTS), MPa 730
380 to 430
Tensile Strength: Yield (Proof), MPa 510
200 to 220

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1020
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
49
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 14
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 40
19
Embodied Water, L/kg 150
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
72 to 88
Resilience: Unit (Modulus of Resilience), kJ/m3 660
110 to 130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
13 to 15
Strength to Weight: Bending, points 23
15 to 16
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 20
12 to 13

Alloy Composition

Carbon (C), % 0 to 0.035
0 to 0.23
Chromium (Cr), % 21 to 23
0 to 0.3
Copper (Cu), % 0.2 to 1.2
0 to 0.6
Iron (Fe), % 66.7 to 75.4
97.1 to 100
Manganese (Mn), % 1.0 to 2.5
0 to 1.5
Molybdenum (Mo), % 0.3 to 1.3
0 to 0.080
Nickel (Ni), % 2.0 to 4.0
0 to 0.3
Nitrogen (N), % 0.15 to 0.25
0 to 0.014
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.55
Sulfur (S), % 0 to 0.010
0 to 0.045