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AISI 321H Stainless Steel vs. EN 1.6522 Steel

Both AISI 321H stainless steel and EN 1.6522 steel are iron alloys. They have 72% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AISI 321H stainless steel and the bottom bar is EN 1.6522 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
150 to 190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 580
500 to 1460

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
410
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
39
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 16
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.5
Embodied Energy, MJ/kg 46
20
Embodied Water, L/kg 140
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
18 to 52
Strength to Weight: Bending, points 20
18 to 36
Thermal Diffusivity, mm2/s 4.0
10
Thermal Shock Resistance, points 12
15 to 43

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.040 to 0.1
0.17 to 0.23
Chromium (Cr), % 17 to 19
0.35 to 0.7
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 65.4 to 74
96.6 to 98.5
Manganese (Mn), % 0 to 2.0
0.6 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 9.0 to 12
0.4 to 0.7
Oxygen (O), % 0
0 to 0.0020
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0 to 0.7
0