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AWS E3155 vs. EN 1.4451 Stainless Steel

Both AWS E3155 and EN 1.4451 stainless steel are iron alloys. They have 62% 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 1.4451 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
25
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 81
80
Tensile Strength: Ultimate (UTS), MPa 770
750

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
17
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 70
20
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 7.7
3.8
Embodied Energy, MJ/kg 110
53
Embodied Water, L/kg 300
190

Common Calculations

PREN (Pitting Resistance) 35
39
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
27
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 3.3
4.5
Thermal Shock Resistance, points 20
16

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 20 to 22.5
25 to 27
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0 to 0.75
2.8 to 3.5
Iron (Fe), % 23.3 to 36.3
56.2 to 64.6
Manganese (Mn), % 1.0 to 2.5
0 to 1.5
Molybdenum (Mo), % 2.5 to 3.5
2.5 to 3.5
Nickel (Ni), % 19 to 21
5.0 to 7.0
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0
0.12 to 0.22
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 2.0 to 3.0
0