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AWS E349 vs. EN 1.4729 Stainless Steel

Both AWS E349 and EN 1.4729 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS E349 and the bottom bar is EN 1.4729 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 29
15
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
75

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Melting Completion (Liquidus), °C 1470
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 15
24
Thermal Expansion, µm/m-K 14
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 25
7.5
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 4.9
2.1
Embodied Energy, MJ/kg 72
29
Embodied Water, L/kg 150
100

Common Calculations

PREN (Pitting Resistance) 24
14
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Thermal Diffusivity, mm2/s 4.1
6.5

Alloy Composition

Carbon (C), % 0 to 0.13
0.3 to 0.5
Chromium (Cr), % 18 to 21
12 to 14
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 60.5 to 71.1
80.4 to 86.7
Manganese (Mn), % 0.5 to 2.5
0 to 1.0
Molybdenum (Mo), % 0.35 to 0.65
0 to 0.5
Nickel (Ni), % 8.0 to 10
0 to 1.0
Niobium (Nb), % 0.75 to 1.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0 to 0.15
0
Tungsten (W), % 1.3 to 1.8
0
Vanadium (V), % 0.1 to 0.3
0