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EN 1.4525 Stainless Steel vs. AWS E240

Both EN 1.4525 stainless steel and AWS E240 are iron alloys. They have 86% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4525 stainless steel and the bottom bar is AWS E240.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 5.6 to 13
17
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 1030 to 1250
770

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Melting Completion (Liquidus), °C 1430
1390
Melting Onset (Solidus), °C 1390
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 18
15
Thermal Expansion, µm/m-K 11
15

Otherwise Unclassified Properties

Base Metal Price, % relative 13
14
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.8
3.0
Embodied Energy, MJ/kg 39
42
Embodied Water, L/kg 130
160

Common Calculations

PREN (Pitting Resistance) 18
22
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 36 to 45
28
Strength to Weight: Bending, points 29 to 33
24
Thermal Diffusivity, mm2/s 4.7
3.9
Thermal Shock Resistance, points 34 to 41
19

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.060
Chromium (Cr), % 15 to 17
17 to 19
Copper (Cu), % 2.5 to 4.0
0 to 0.75
Iron (Fe), % 70.4 to 79
58.6 to 68.4
Manganese (Mn), % 0 to 1.0
10.5 to 13.5
Molybdenum (Mo), % 0 to 0.8
0 to 0.75
Nickel (Ni), % 3.5 to 5.5
4.0 to 6.0
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0.1 to 0.3
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030