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AWS E3155 vs. EN 1.4981 Stainless Steel

Both AWS E3155 and EN 1.4981 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 23 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 1.4981 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
39
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
77
Tensile Strength: Ultimate (UTS), MPa 770
610

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 13
16
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 70
25
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 7.7
4.8
Embodied Energy, MJ/kg 110
67
Embodied Water, L/kg 300
150

Common Calculations

PREN (Pitting Resistance) 35
22
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
21
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 3.3
4.3
Thermal Shock Resistance, points 20
14

Alloy Composition

Carbon (C), % 0 to 0.1
0.040 to 0.1
Chromium (Cr), % 20 to 22.5
15.5 to 17.5
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 23.3 to 36.3
59.6 to 66.7
Manganese (Mn), % 1.0 to 2.5
0 to 1.5
Molybdenum (Mo), % 2.5 to 3.5
1.6 to 2.0
Nickel (Ni), % 19 to 21
15.5 to 17.5
Niobium (Nb), % 0.75 to 1.3
0.4 to 1.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0.3 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 2.0 to 3.0
0