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AWS E209 vs. EN 1.4981 Stainless Steel

Both AWS E209 and EN 1.4981 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS E209 and the bottom bar is EN 1.4981 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 79
77
Tensile Strength: Ultimate (UTS), MPa 770
610

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 14
16

Otherwise Unclassified Properties

Base Metal Price, % relative 21
25
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.4
4.8
Embodied Energy, MJ/kg 63
67
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 33
22
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
21
Strength to Weight: Bending, points 24
20
Thermal Shock Resistance, points 19
14

Alloy Composition

Carbon (C), % 0 to 0.060
0.040 to 0.1
Chromium (Cr), % 20.5 to 24
15.5 to 17.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 51.5 to 64.3
59.6 to 66.7
Manganese (Mn), % 4.0 to 7.0
0 to 1.5
Molybdenum (Mo), % 1.5 to 3.0
1.6 to 2.0
Nickel (Ni), % 9.5 to 12
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0.3 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0.1 to 0.3
0