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AWS E383 vs. AWS E630

Both AWS E383 and AWS E630 are iron alloys. They have 57% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AWS E383 and the bottom bar is AWS E630.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
8.0
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 580
1040

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
17
Thermal Expansion, µm/m-K 14
14

Otherwise Unclassified Properties

Base Metal Price, % relative 37
14
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.4
2.8
Embodied Energy, MJ/kg 89
40
Embodied Water, L/kg 240
140

Common Calculations

PREN (Pitting Resistance) 40
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
37
Strength to Weight: Bending, points 19
29
Thermal Diffusivity, mm2/s 3.1
4.5
Thermal Shock Resistance, points 15
28

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 26.5 to 29
16 to 16.8
Copper (Cu), % 0.6 to 1.5
3.3 to 4.0
Iron (Fe), % 28.8 to 39.2
71.6 to 75.9
Manganese (Mn), % 0.5 to 2.5
0.25 to 0.75
Molybdenum (Mo), % 3.2 to 4.2
0 to 0.75
Nickel (Ni), % 30 to 33
4.5 to 5.0
Niobium (Nb), % 0
0.15 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.9
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.030