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AWS E3155 vs. EN 1.4911 Stainless Steel

Both AWS E3155 and EN 1.4911 stainless steel are iron alloys. They have 50% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS E3155 and the bottom bar is EN 1.4911 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
11
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
76
Tensile Strength: Ultimate (UTS), MPa 770
1070

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 13
20
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 70
20
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 7.7
3.4
Embodied Energy, MJ/kg 110
49
Embodied Water, L/kg 300
130

Common Calculations

PREN (Pitting Resistance) 35
14
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
38
Strength to Weight: Bending, points 22
30
Thermal Diffusivity, mm2/s 3.3
5.4
Thermal Shock Resistance, points 20
37

Alloy Composition

Boron (B), % 0
0.0050 to 0.015
Carbon (C), % 0 to 0.1
0.050 to 0.12
Chromium (Cr), % 20 to 22.5
9.8 to 11.2
Cobalt (Co), % 18.5 to 21
5.0 to 7.0
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 23.3 to 36.3
75.7 to 83.8
Manganese (Mn), % 1.0 to 2.5
0.3 to 1.3
Molybdenum (Mo), % 2.5 to 3.5
0.5 to 1.0
Nickel (Ni), % 19 to 21
0.2 to 1.2
Niobium (Nb), % 0.75 to 1.3
0.2 to 0.5
Nitrogen (N), % 0
0 to 0.035
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0.1 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 2.0 to 3.0
0 to 0.7
Vanadium (V), % 0
0.1 to 0.4