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AWS E2553 vs. EN 1.4550 Stainless Steel

Both AWS E2553 and EN 1.4550 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 25 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 E2553 and the bottom bar is EN 1.4550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
42
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 850
620

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 14
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 21
18
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.0
3.6
Embodied Energy, MJ/kg 56
51
Embodied Water, L/kg 190
140

Common Calculations

PREN (Pitting Resistance) 40
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
22
Strength to Weight: Bending, points 26
21
Thermal Diffusivity, mm2/s 4.3
4.0
Thermal Shock Resistance, points 21
14

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.080
Chromium (Cr), % 24 to 27
17 to 19
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 55.2 to 64.5
64.9 to 74
Manganese (Mn), % 0.5 to 1.5
0 to 2.0
Molybdenum (Mo), % 2.9 to 3.9
0
Nickel (Ni), % 6.5 to 8.5
9.0 to 12
Niobium (Nb), % 0
0 to 1.0
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015