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ASTM A182 Grade F122 vs. AWS E209

Both ASTM A182 grade F122 and AWS E209 are iron alloys. They have 71% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (12, 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 E209.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
17
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 710
770

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1490
1420
Melting Onset (Solidus), °C 1440
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
14

Otherwise Unclassified Properties

Base Metal Price, % relative 12
21
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 3.0
4.4
Embodied Energy, MJ/kg 44
63
Embodied Water, L/kg 100
180

Common Calculations

PREN (Pitting Resistance) 17
33
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
28
Strength to Weight: Bending, points 22
24
Thermal Shock Resistance, points 19
19

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 0.060
Chromium (Cr), % 10 to 11.5
20.5 to 24
Copper (Cu), % 0.3 to 1.7
0 to 0.75
Iron (Fe), % 81.3 to 87.7
51.5 to 64.3
Manganese (Mn), % 0 to 0.7
4.0 to 7.0
Molybdenum (Mo), % 0.25 to 0.6
1.5 to 3.0
Nickel (Ni), % 0 to 0.5
9.5 to 12
Niobium (Nb), % 0.040 to 0.1
0
Nitrogen (N), % 0.040 to 0.1
0.1 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
0.1 to 0.3
Zirconium (Zr), % 0 to 0.010
0