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ASTM A387 Grade 22L Class 1 vs. AWS E309

Both ASTM A387 grade 22L class 1 and AWS E309 are iron alloys. They have 64% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 22L class 1 and the bottom bar is AWS E309.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
34
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
78
Tensile Strength: Ultimate (UTS), MPa 500
620

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1470
1410
Melting Onset (Solidus), °C 1430
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
20
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
3.7
Embodied Energy, MJ/kg 23
52
Embodied Water, L/kg 58
180

Common Calculations

PREN (Pitting Resistance) 5.6
25
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
22
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 14
16

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.15
Chromium (Cr), % 2.0 to 2.5
22 to 25
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 95.2 to 96.8
55.8 to 65.5
Manganese (Mn), % 0.3 to 0.6
0.5 to 2.5
Molybdenum (Mo), % 0.9 to 1.1
0 to 0.75
Nickel (Ni), % 0
12 to 14
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030