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AWS E240 vs. EN 1.4901 Stainless Steel

Both AWS E240 and EN 1.4901 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS E240 and the bottom bar is EN 1.4901 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
19
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 770
740

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Melting Completion (Liquidus), °C 1390
1490
Melting Onset (Solidus), °C 1350
1450
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
26
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 14
11
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 42
40
Embodied Water, L/kg 160
89

Common Calculations

PREN (Pitting Resistance) 22
14
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
26
Strength to Weight: Bending, points 24
23
Thermal Diffusivity, mm2/s 3.9
6.9
Thermal Shock Resistance, points 19
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0 to 0.060
0.070 to 0.13
Chromium (Cr), % 17 to 19
8.5 to 9.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 58.6 to 68.4
85.8 to 89.1
Manganese (Mn), % 10.5 to 13.5
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.75
0.3 to 0.6
Nickel (Ni), % 4.0 to 6.0
0 to 0.4
Niobium (Nb), % 0
0.040 to 0.090
Nitrogen (N), % 0.1 to 0.3
0.030 to 0.070
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
1.5 to 2.0
Vanadium (V), % 0
0.15 to 0.25
Zirconium (Zr), % 0
0 to 0.010