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AWS E33-31 vs. EN 1.4612 Stainless Steel

Both AWS E33-31 and EN 1.4612 stainless steel are iron alloys. They have 54% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS E33-31 and the bottom bar is EN 1.4612 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 29
11
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
76
Tensile Strength: Ultimate (UTS), MPa 810
1690 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Melting Completion (Liquidus), °C 1380
1450
Melting Onset (Solidus), °C 1330
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 14
11

Otherwise Unclassified Properties

Base Metal Price, % relative 36
16
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 6.0
3.6
Embodied Energy, MJ/kg 86
50
Embodied Water, L/kg 260
140

Common Calculations

PREN (Pitting Resistance) 44
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
60 to 65
Strength to Weight: Bending, points 24
40 to 43
Thermal Shock Resistance, points 19
58 to 63

Alloy Composition

Aluminum (Al), % 0
1.4 to 1.8
Carbon (C), % 0 to 0.030
0 to 0.015
Chromium (Cr), % 31 to 35
11 to 12.5
Copper (Cu), % 0.4 to 0.8
0
Iron (Fe), % 24.7 to 34.8
71.5 to 75.5
Manganese (Mn), % 2.5 to 4.0
0 to 0.1
Molybdenum (Mo), % 1.0 to 2.0
1.8 to 2.3
Nickel (Ni), % 30 to 32
10.2 to 11.3
Nitrogen (N), % 0.3 to 0.5
0 to 0.010
Phosphorus (P), % 0 to 0.020
0 to 0.010
Silicon (Si), % 0 to 0.9
0 to 0.1
Sulfur (S), % 0 to 0.010
0 to 0.0050
Titanium (Ti), % 0
0.2 to 0.5