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AWS E307 vs. AWS E316H

Both AWS E307 and AWS E316H are iron alloys. Both are furnished in the as-welded condition. They have a very high 96% of their average alloy composition in common.

For each property being compared, the top bar is AWS E307 and the bottom bar is AWS E316H.

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 78
78
Tensile Strength: Ultimate (UTS), MPa 660
580

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 14
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 17
20
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.5
4.0
Embodied Energy, MJ/kg 49
55
Embodied Water, L/kg 160
160

Common Calculations

PREN (Pitting Resistance) 23
27
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
21
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 4.1
4.0
Thermal Shock Resistance, points 17
15

Alloy Composition

Carbon (C), % 0.040 to 0.14
0.040 to 0.080
Chromium (Cr), % 18 to 21.5
17 to 20
Copper (Cu), % 0 to 0.75
0 to 0.75
Iron (Fe), % 59.6 to 69.2
58.6 to 69.5
Manganese (Mn), % 3.3 to 4.8
0.5 to 2.5
Molybdenum (Mo), % 0.5 to 1.5
2.0 to 3.0
Nickel (Ni), % 9.0 to 10.7
11 to 14
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030