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AWS E240 vs. EN 1.4005 Stainless Steel

Both AWS E240 and EN 1.4005 stainless steel are iron alloys. They have 78% 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 E240 and the bottom bar is EN 1.4005 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
13 to 21
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 770
630 to 750

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Melting Completion (Liquidus), °C 1390
1440
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
30
Thermal Expansion, µm/m-K 15
10

Otherwise Unclassified Properties

Base Metal Price, % relative 14
7.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.0
2.0
Embodied Energy, MJ/kg 42
28
Embodied Water, L/kg 160
100

Common Calculations

PREN (Pitting Resistance) 22
14
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
23 to 27
Strength to Weight: Bending, points 24
21 to 24
Thermal Diffusivity, mm2/s 3.9
8.1
Thermal Shock Resistance, points 19
23 to 27

Alloy Composition

Carbon (C), % 0 to 0.060
0.060 to 0.15
Chromium (Cr), % 17 to 19
12 to 14
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 58.6 to 68.4
82.4 to 87.8
Manganese (Mn), % 10.5 to 13.5
0 to 1.5
Molybdenum (Mo), % 0 to 0.75
0 to 0.6
Nickel (Ni), % 4.0 to 6.0
0
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0.15 to 0.35