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EN 1.4646 Stainless Steel vs. AWS ERNiMo-3

EN 1.4646 stainless steel belongs to the iron alloys classification, while AWS ERNiMo-3 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.4646 stainless steel and the bottom bar is AWS ERNiMo-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 77
83
Tensile Strength: Ultimate (UTS), MPa 750
770

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Melting Completion (Liquidus), °C 1390
1600
Melting Onset (Solidus), °C 1340
1540
Specific Heat Capacity, J/kg-K 480
400
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 13
70
Density, g/cm3 7.7
9.1
Embodied Carbon, kg CO2/kg material 2.8
15
Embodied Energy, MJ/kg 41
190
Embodied Water, L/kg 160
270

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 27
24
Strength to Weight: Bending, points 24
21
Thermal Shock Resistance, points 16
24

Alloy Composition

Carbon (C), % 0.020 to 0.1
0 to 0.12
Chromium (Cr), % 17 to 19
4.0 to 6.0
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 1.5 to 3.0
0 to 0.5
Iron (Fe), % 59 to 67.3
4.0 to 7.0
Manganese (Mn), % 10.5 to 12.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
23 to 26
Nickel (Ni), % 3.5 to 4.5
53.7 to 69
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.050
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
0 to 1.0
Vanadium (V), % 0
0 to 0.6
Residuals, % 0
0 to 0.5