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EN 1.4903 Stainless Steel vs. AWS E330

Both EN 1.4903 stainless steel and AWS E330 are iron alloys. They have 57% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4903 stainless steel and the bottom bar is AWS E330.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20 to 21
29
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 670 to 680
580

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
12
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 4.0
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
31
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 2.6
5.4
Embodied Energy, MJ/kg 36
75
Embodied Water, L/kg 88
180

Common Calculations

PREN (Pitting Resistance) 13
17
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
20
Strength to Weight: Bending, points 22
19
Thermal Diffusivity, mm2/s 7.0
3.2
Thermal Shock Resistance, points 23
16

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.080 to 0.12
0.18 to 0.25
Chromium (Cr), % 8.0 to 9.5
14 to 17
Copper (Cu), % 0 to 0.3
0 to 0.75
Iron (Fe), % 87.1 to 90.5
40.7 to 51.8
Manganese (Mn), % 0.3 to 0.6
1.0 to 2.5
Molybdenum (Mo), % 0.85 to 1.1
0 to 0.75
Nickel (Ni), % 0 to 0.4
33 to 37
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0.18 to 0.25
0