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AWS E330H vs. AWS E33-31

Both AWS E330H and AWS E33-31 are iron alloys. Both are furnished in the as-welded condition. They have 79% 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 E330H and the bottom bar is AWS E33-31.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 11
29
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 76
81
Tensile Strength: Ultimate (UTS), MPa 690
810

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Melting Completion (Liquidus), °C 1400
1380
Melting Onset (Solidus), °C 1350
1330
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
14

Otherwise Unclassified Properties

Base Metal Price, % relative 30
36
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 5.4
6.0
Embodied Energy, MJ/kg 76
86
Embodied Water, L/kg 180
260

Common Calculations

PREN (Pitting Resistance) 17
44
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
28
Strength to Weight: Bending, points 22
24
Thermal Shock Resistance, points 19
19

Alloy Composition

Carbon (C), % 0.35 to 0.45
0 to 0.030
Chromium (Cr), % 14 to 17
31 to 35
Copper (Cu), % 0 to 0.75
0.4 to 0.8
Iron (Fe), % 40.5 to 51.7
24.7 to 34.8
Manganese (Mn), % 1.0 to 2.5
2.5 to 4.0
Molybdenum (Mo), % 0 to 0.75
1.0 to 2.0
Nickel (Ni), % 33 to 37
30 to 32
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.9
Sulfur (S), % 0 to 0.030
0 to 0.010