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AWS E320 vs. EN 1.4945 Stainless Steel

Both AWS E320 and EN 1.4945 stainless steel are iron alloys. They have 72% 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 E320 and the bottom bar is EN 1.4945 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
19 to 34
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 620
640 to 740

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Melting Completion (Liquidus), °C 1410
1490
Melting Onset (Solidus), °C 1360
1440
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 14
17

Otherwise Unclassified Properties

Base Metal Price, % relative 38
30
Density, g/cm3 8.2
8.1
Embodied Carbon, kg CO2/kg material 6.5
5.0
Embodied Energy, MJ/kg 91
73
Embodied Water, L/kg 220
150

Common Calculations

PREN (Pitting Resistance) 28
23
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
22 to 25
Strength to Weight: Bending, points 20
20 to 22
Thermal Shock Resistance, points 16
14 to 16

Alloy Composition

Carbon (C), % 0 to 0.070
0.040 to 0.1
Chromium (Cr), % 19 to 21
15.5 to 17.5
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 31.8 to 43.5
57.9 to 65.7
Manganese (Mn), % 0.5 to 2.5
0 to 1.5
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 32 to 36
15.5 to 17.5
Niobium (Nb), % 0 to 1.0
0.4 to 1.2
Nitrogen (N), % 0
0.060 to 0.14
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.6
0.3 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 0
2.5 to 3.5