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AWS ENiCrMo-4 vs. EN 1.4655 Stainless Steel

AWS ENiCrMo-4 belongs to the nickel alloys classification, while EN 1.4655 stainless steel belongs to the iron alloys. They have a modest 27% of their average alloy composition in common, which, by itself, doesn't mean much. There are 20 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 ENiCrMo-4 and the bottom bar is EN 1.4655 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 28
23 to 25
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 84
78
Tensile Strength: Ultimate (UTS), MPa 790
720 to 730

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Melting Completion (Liquidus), °C 1590
1420
Melting Onset (Solidus), °C 1530
1370
Specific Heat Capacity, J/kg-K 410
480
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
15
Density, g/cm3 9.0
7.7
Embodied Carbon, kg CO2/kg material 13
2.9
Embodied Energy, MJ/kg 170
41
Embodied Water, L/kg 280
160

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 24
26
Strength to Weight: Bending, points 21
23
Thermal Shock Resistance, points 22
20

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 14.5 to 16.5
22 to 24
Cobalt (Co), % 0 to 2.5
0
Copper (Cu), % 0 to 0.5
1.0 to 3.0
Iron (Fe), % 4.0 to 7.0
63.6 to 73.4
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 15 to 17
0.1 to 0.6
Nickel (Ni), % 49.9 to 63.5
3.5 to 5.5
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 3.0 to 4.5
0
Vanadium (V), % 0 to 0.35
0
Residuals, % 0 to 0.5
0