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AWS E347 vs. EN 1.4749 Stainless Steel

Both AWS E347 and EN 1.4749 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AWS E347 and the bottom bar is EN 1.4749 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
16
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 580
600

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 16
17
Thermal Expansion, µm/m-K 14
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 19
13
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 3.7
2.5
Embodied Energy, MJ/kg 53
36
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 21
31
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 21
22
Strength to Weight: Bending, points 20
21
Thermal Diffusivity, mm2/s 4.2
4.6
Thermal Shock Resistance, points 15
22

Alloy Composition

Carbon (C), % 0 to 0.080
0.15 to 0.2
Chromium (Cr), % 18 to 21
26 to 29
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 61.9 to 72.5
68.5 to 73.7
Manganese (Mn), % 0.5 to 2.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 9.0 to 11
0
Niobium (Nb), % 0 to 1.0
0
Nitrogen (N), % 0
0.15 to 0.25
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 0.015