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AWS E3155 vs. EN 1.4740 Stainless Steel

Both AWS E3155 and EN 1.4740 stainless steel are iron alloys. They have 49% of their average alloy composition in common. There are 19 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 1.4740 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
22
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
77

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 450
490
Thermal Conductivity, W/m-K 13
18
Thermal Expansion, µm/m-K 13
10

Otherwise Unclassified Properties

Base Metal Price, % relative 70
9.5
Density, g/cm3 8.4
7.6
Embodied Carbon, kg CO2/kg material 7.7
2.3
Embodied Energy, MJ/kg 110
32
Embodied Water, L/kg 300
120

Common Calculations

PREN (Pitting Resistance) 35
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Thermal Diffusivity, mm2/s 3.3
4.8

Alloy Composition

Carbon (C), % 0 to 0.1
0.3 to 0.5
Chromium (Cr), % 20 to 22.5
16 to 19
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 23.3 to 36.3
75.4 to 82.7
Manganese (Mn), % 1.0 to 2.5
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.5
0 to 0.5
Nickel (Ni), % 19 to 21
0 to 1.0
Niobium (Nb), % 0.75 to 1.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 2.0 to 3.0
0