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AWS E347 vs. EN 1.4521 Stainless Steel

Both AWS E347 and EN 1.4521 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 25 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 E347 and the bottom bar is EN 1.4521 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
23
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 580
520

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
23
Thermal Expansion, µm/m-K 14
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 19
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.7
2.8
Embodied Energy, MJ/kg 53
39
Embodied Water, L/kg 150
130

Common Calculations

PREN (Pitting Resistance) 21
26
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
19
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 4.2
6.2
Thermal Shock Resistance, points 15
18

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.025
Chromium (Cr), % 18 to 21
17 to 20
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 61.9 to 72.5
74.6 to 81.1
Manganese (Mn), % 0.5 to 2.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.75
1.8 to 2.5
Nickel (Ni), % 9.0 to 11
0
Niobium (Nb), % 0 to 1.0
0
Nitrogen (N), % 0
0 to 0.030
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
Titanium (Ti), % 0
0.15 to 0.8