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AISI 321H Stainless Steel vs. EN 1.1233 Steel

Both AISI 321H stainless steel and EN 1.1233 steel are iron alloys. They have 71% 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 1.1233 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200 to 220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Tensile Strength: Ultimate (UTS), MPa 580
680 to 760

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
400
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 16
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.4
Embodied Energy, MJ/kg 46
19
Embodied Water, L/kg 140
47

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
24 to 27
Strength to Weight: Bending, points 20
22 to 24
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 12
22 to 24

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.040 to 0.1
0.52 to 0.6
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 65.4 to 74
98 to 99.1
Manganese (Mn), % 0 to 2.0
0.9 to 1.2
Nickel (Ni), % 9.0 to 12
0
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