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AWS E312 vs. AISI 422 Stainless Steel

Both AWS E312 and AISI 422 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is AWS E312 and the bottom bar is AISI 422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
15 to 17
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 740
910 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Melting Completion (Liquidus), °C 1410
1480
Melting Onset (Solidus), °C 1360
1470
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 15
10

Otherwise Unclassified Properties

Base Metal Price, % relative 20
11
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.6
3.1
Embodied Energy, MJ/kg 52
44
Embodied Water, L/kg 200
100

Common Calculations

PREN (Pitting Resistance) 31
17
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
32 to 38
Strength to Weight: Bending, points 24
26 to 30
Thermal Shock Resistance, points 18
33 to 39

Alloy Composition

Carbon (C), % 0 to 0.15
0.2 to 0.25
Chromium (Cr), % 28 to 32
11 to 12.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 52.3 to 63.5
81.9 to 85.8
Manganese (Mn), % 0.5 to 2.5
0.5 to 1.0
Molybdenum (Mo), % 0 to 0.75
0.9 to 1.3
Nickel (Ni), % 8.0 to 10.5
0.5 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 0
0.9 to 1.3
Vanadium (V), % 0
0.2 to 0.3