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AWS E33-31 vs. EN 1.4530 Stainless Steel

Both AWS E33-31 and EN 1.4530 stainless steel are iron alloys. They have 52% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AWS E33-31 and the bottom bar is EN 1.4530 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
76
Tensile Strength: Ultimate (UTS), MPa 810
1030 to 1370

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1330
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 14
11

Otherwise Unclassified Properties

Base Metal Price, % relative 36
15
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 6.0
3.4
Embodied Energy, MJ/kg 86
46
Embodied Water, L/kg 260
130

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
36 to 48
Strength to Weight: Bending, points 24
29 to 35
Thermal Shock Resistance, points 19
35 to 47

Alloy Composition

Aluminum (Al), % 0
0.6 to 0.8
Carbon (C), % 0 to 0.030
0 to 0.015
Chromium (Cr), % 31 to 35
11.5 to 12.5
Copper (Cu), % 0.4 to 0.8
0
Iron (Fe), % 24.7 to 34.8
74.4 to 77.3
Manganese (Mn), % 2.5 to 4.0
0 to 0.1
Molybdenum (Mo), % 1.0 to 2.0
1.9 to 2.2
Nickel (Ni), % 30 to 32
8.5 to 9.5
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
0.28 to 0.37