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ASTM A182 Grade F122 vs. AWS E2594

Both ASTM A182 grade F122 and AWS E2594 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 (8, in this case) are not shown.

For each property being compared, the top bar is ASTM A182 grade F122 and the bottom bar is AWS E2594.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 23
17
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
81
Tensile Strength: Ultimate (UTS), MPa 710
850

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1490
1440
Melting Onset (Solidus), °C 1440
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 24
16
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
22
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 3.0
4.3
Embodied Energy, MJ/kg 44
60
Embodied Water, L/kg 100
190

Common Calculations

PREN (Pitting Resistance) 17
43
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
30
Strength to Weight: Bending, points 22
25
Thermal Diffusivity, mm2/s 6.4
4.3
Thermal Shock Resistance, points 19
21

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0 to 0.0050
0
Carbon (C), % 0.070 to 0.14
0 to 0.040
Chromium (Cr), % 10 to 11.5
24 to 27
Copper (Cu), % 0.3 to 1.7
0 to 0.75
Iron (Fe), % 81.3 to 87.7
53.8 to 63.8
Manganese (Mn), % 0 to 0.7
0.5 to 2.0
Molybdenum (Mo), % 0.25 to 0.6
3.5 to 4.5
Nickel (Ni), % 0 to 0.5
8.0 to 10.5
Niobium (Nb), % 0.040 to 0.1
0
Nitrogen (N), % 0.040 to 0.1
0.2 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.5
0
Vanadium (V), % 0.15 to 0.3
0
Zirconium (Zr), % 0 to 0.010
0