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EN 1.4550 Stainless Steel vs. AWS E310Mo

Both EN 1.4550 stainless steel and AWS E310Mo are iron alloys. They have 77% 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 EN 1.4550 stainless steel and the bottom bar is AWS E310Mo.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 42
34
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 620
620

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1390
1370
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 16
14

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 18
28
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.6
5.1
Embodied Energy, MJ/kg 51
71
Embodied Water, L/kg 140
210

Common Calculations

PREN (Pitting Resistance) 18
35
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
22
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 4.0
3.7
Thermal Shock Resistance, points 14
15

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.12
Chromium (Cr), % 17 to 19
25 to 28
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 64.9 to 74
42.8 to 52
Manganese (Mn), % 0 to 2.0
1.0 to 2.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 9.0 to 12
20 to 22
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030