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AWS E240 vs. EN 1.4941 Stainless Steel

Both AWS E240 and EN 1.4941 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS E240 and the bottom bar is EN 1.4941 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
39
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 770
590

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Melting Completion (Liquidus), °C 1390
1430
Melting Onset (Solidus), °C 1350
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 14
16
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.0
3.3
Embodied Energy, MJ/kg 42
47
Embodied Water, L/kg 160
140

Common Calculations

PREN (Pitting Resistance) 22
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
21
Strength to Weight: Bending, points 24
20
Thermal Diffusivity, mm2/s 3.9
4.3
Thermal Shock Resistance, points 19
13

Alloy Composition

Boron (B), % 0
0.0015 to 0.0050
Carbon (C), % 0 to 0.060
0.040 to 0.080
Chromium (Cr), % 17 to 19
17 to 19
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 58.6 to 68.4
65.1 to 73.6
Manganese (Mn), % 10.5 to 13.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 4.0 to 6.0
9.0 to 12
Nitrogen (N), % 0.1 to 0.3
0
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 0.015
Titanium (Ti), % 0
0.4 to 0.8