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AWS E219 vs. AISI 431 Stainless Steel

Both AWS E219 and AISI 431 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS E219 and the bottom bar is AISI 431 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
15 to 17
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Tensile Strength: Ultimate (UTS), MPa 690
890 to 1380

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Melting Completion (Liquidus), °C 1400
1510
Melting Onset (Solidus), °C 1360
1450
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 14
26
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
9.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.1
2.2
Embodied Energy, MJ/kg 44
31
Embodied Water, L/kg 160
120

Common Calculations

PREN (Pitting Resistance) 25
16
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
32 to 50
Strength to Weight: Bending, points 23
27 to 36
Thermal Diffusivity, mm2/s 3.8
7.0
Thermal Shock Resistance, points 17
28 to 43

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.2
Chromium (Cr), % 19 to 21.5
15 to 17
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 58.6 to 67.4
78.2 to 83.8
Manganese (Mn), % 8.0 to 10
0 to 1.0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 5.5 to 7.0
1.3 to 2.5
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030