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AWS E33-31 vs. EN 1.4477 Stainless Steel

Both AWS E33-31 and EN 1.4477 stainless steel are iron alloys. They have 69% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AWS E33-31 and the bottom bar is EN 1.4477 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 29
22 to 23
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 81
81
Tensile Strength: Ultimate (UTS), MPa 810
880 to 930

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Melting Completion (Liquidus), °C 1380
1430
Melting Onset (Solidus), °C 1330
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 14
13

Otherwise Unclassified Properties

Base Metal Price, % relative 36
20
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 6.0
3.7
Embodied Energy, MJ/kg 86
52
Embodied Water, L/kg 260
190

Common Calculations

PREN (Pitting Resistance) 44
41
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
31 to 33
Strength to Weight: Bending, points 24
26 to 27
Thermal Shock Resistance, points 19
23 to 25

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 31 to 35
28 to 30
Copper (Cu), % 0.4 to 0.8
0 to 0.8
Iron (Fe), % 24.7 to 34.8
56.6 to 63.6
Manganese (Mn), % 2.5 to 4.0
0.8 to 1.5
Molybdenum (Mo), % 1.0 to 2.0
1.5 to 2.6
Nickel (Ni), % 30 to 32
5.8 to 7.5
Nitrogen (N), % 0.3 to 0.5
0.3 to 0.4
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.9
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.015