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AWS E3155 vs. EN 1.4378 Stainless Steel

Both AWS E3155 and EN 1.4378 stainless steel are iron alloys. They have 53% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS E3155 and the bottom bar is EN 1.4378 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
14 to 34
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
77
Tensile Strength: Ultimate (UTS), MPa 770
760 to 1130

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1410
1350
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 70
12
Density, g/cm3 8.4
7.6
Embodied Carbon, kg CO2/kg material 7.7
2.7
Embodied Energy, MJ/kg 110
39
Embodied Water, L/kg 300
150

Common Calculations

PREN (Pitting Resistance) 35
23
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
28 to 41
Strength to Weight: Bending, points 22
24 to 31
Thermal Shock Resistance, points 20
16 to 23

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.080
Chromium (Cr), % 20 to 22.5
17 to 19
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 23.3 to 36.3
61.2 to 69
Manganese (Mn), % 1.0 to 2.5
11.5 to 14.5
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 19 to 21
2.3 to 3.7
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.060
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 2.0 to 3.0
0