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ASTM A182 Grade F12 Class 2 vs. AWS E330H

Both ASTM A182 grade F12 class 2 and AWS E330H are iron alloys. They have 49% 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 F12 class 2 and the bottom bar is AWS E330H.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
11
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 540
690

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 43
12
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
30
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.6
5.4
Embodied Energy, MJ/kg 21
76
Embodied Water, L/kg 52
180

Common Calculations

PREN (Pitting Resistance) 2.8
17
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
24
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 12
3.2
Thermal Shock Resistance, points 16
19

Alloy Composition

Carbon (C), % 0.1 to 0.2
0.35 to 0.45
Chromium (Cr), % 0.8 to 1.3
14 to 17
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 96.4 to 98.3
40.5 to 51.7
Manganese (Mn), % 0.3 to 0.8
1.0 to 2.5
Molybdenum (Mo), % 0.44 to 0.65
0 to 0.75
Nickel (Ni), % 0
33 to 37
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0.1 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030