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AWS E308 vs. EN 1.4525 Stainless Steel

Both AWS E308 and EN 1.4525 stainless steel are iron alloys. They have 90% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AWS E308 and the bottom bar is EN 1.4525 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
5.6 to 13
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 620
1030 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
18
Thermal Expansion, µm/m-K 14
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 16
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
2.8
Embodied Energy, MJ/kg 46
39
Embodied Water, L/kg 150
130

Common Calculations

PREN (Pitting Resistance) 21
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
36 to 45
Strength to Weight: Bending, points 21
29 to 33
Thermal Diffusivity, mm2/s 4.2
4.7
Thermal Shock Resistance, points 16
34 to 41

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.070
Chromium (Cr), % 18 to 21
15 to 17
Copper (Cu), % 0 to 0.75
2.5 to 4.0
Iron (Fe), % 62.9 to 72.5
70.4 to 79
Manganese (Mn), % 0.5 to 2.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.75
0 to 0.8
Nickel (Ni), % 9.0 to 11
3.5 to 5.5
Niobium (Nb), % 0
0 to 0.35
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.025