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AWS E317L vs. AWS E320LR

Both AWS E317L and AWS E320LR are iron alloys. Both are furnished in the as-welded condition. They have 75% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS E317L and the bottom bar is AWS E320LR.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
34
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 580
580

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 14
14

Otherwise Unclassified Properties

Base Metal Price, % relative 22
36
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 4.3
6.2
Embodied Energy, MJ/kg 59
87
Embodied Water, L/kg 170
220

Common Calculations

PREN (Pitting Resistance) 31
28
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20
20
Strength to Weight: Bending, points 20
19
Thermal Shock Resistance, points 15
15

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.030
Chromium (Cr), % 18 to 21
19 to 21
Copper (Cu), % 0 to 0.75
3.0 to 4.0
Iron (Fe), % 56.6 to 66.5
32.7 to 42.5
Manganese (Mn), % 0.5 to 2.5
1.5 to 2.5
Molybdenum (Mo), % 3.0 to 4.0
2.0 to 3.0
Nickel (Ni), % 12 to 14
32 to 36
Niobium (Nb), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.015