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AWS E316L vs. AWS E630

Both AWS E316L and AWS E630 are iron alloys. They have 87% of their average alloy composition in common.

For each property being compared, the top bar is AWS E316L and the bottom bar is AWS E630.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
8.0
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 550
1040

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 14
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 20
14
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.0
2.8
Embodied Energy, MJ/kg 55
40
Embodied Water, L/kg 160
140

Common Calculations

PREN (Pitting Resistance) 27
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
37
Strength to Weight: Bending, points 19
29
Thermal Diffusivity, mm2/s 4.0
4.5
Thermal Shock Resistance, points 14
28

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.050
Chromium (Cr), % 17 to 20
16 to 16.8
Copper (Cu), % 0 to 0.75
3.3 to 4.0
Iron (Fe), % 58.6 to 69.5
71.6 to 75.9
Manganese (Mn), % 0.5 to 2.5
0.25 to 0.75
Molybdenum (Mo), % 2.0 to 3.0
0 to 0.75
Nickel (Ni), % 11 to 14
4.5 to 5.0
Niobium (Nb), % 0
0.15 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030