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AISI 321 Stainless Steel vs. AWS E219

Both AISI 321 stainless steel and AWS E219 are iron alloys. They have 89% of their average alloy composition in common. There are 23 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 321 stainless steel and the bottom bar is AWS E219.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34 to 50
17
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 590 to 690
690

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Melting Completion (Liquidus), °C 1430
1400
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
14
Thermal Expansion, µm/m-K 17
15

Otherwise Unclassified Properties

Base Metal Price, % relative 16
15
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.2
3.1
Embodied Energy, MJ/kg 45
44
Embodied Water, L/kg 140
160

Common Calculations

PREN (Pitting Resistance) 19
25
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 25
25
Strength to Weight: Bending, points 20 to 22
23
Thermal Diffusivity, mm2/s 4.1
3.8
Thermal Shock Resistance, points 13 to 15
17

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.060
Chromium (Cr), % 17 to 19
19 to 21.5
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 65.3 to 74
58.6 to 67.4
Manganese (Mn), % 0 to 2.0
8.0 to 10
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 9.0 to 12
5.5 to 7.0
Nitrogen (N), % 0 to 0.1
0.1 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0 to 0.7
0