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AWS ERNiCrCoMo-1 vs. EN 1.4594 Stainless Steel

AWS ERNiCrCoMo-1 belongs to the nickel alloys classification, while EN 1.4594 stainless steel belongs to the iron alloys. They have a modest 24% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 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 AWS ERNiCrCoMo-1 and the bottom bar is EN 1.4594 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 28
11 to 17
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
76
Tensile Strength: Ultimate (UTS), MPa 710
1020 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 13
16
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 75
15
Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 10
3.2
Embodied Energy, MJ/kg 140
45
Embodied Water, L/kg 350
130

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 23
36 to 41
Strength to Weight: Bending, points 21
29 to 31
Thermal Diffusivity, mm2/s 3.5
4.4
Thermal Shock Resistance, points 19
34 to 39

Alloy Composition


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Aluminum (Al), % 0.8 to 1.5
0
Carbon (C), % 0.050 to 0.15
0 to 0.070
Chromium (Cr), % 20 to 24
13 to 15
Cobalt (Co), % 10 to 15
0
Copper (Cu), % 0 to 0.5
1.2 to 2.0
Iron (Fe), % 0 to 3.0
72.6 to 79.5
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 8.0 to 10
1.2 to 2.0
Nickel (Ni), % 42.7 to 61.2
5.0 to 6.0
Niobium (Nb), % 0
0.15 to 0.6
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0 to 0.6
0
Residuals, % 0 to 0.5
0