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EN 1.3956 Stainless Steel vs. AWS ERNiCrMo-2

EN 1.3956 stainless steel belongs to the iron alloys classification, while AWS ERNiCrMo-2 belongs to the nickel alloys. They have 56% of their average alloy composition in common. There are 19 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 EN 1.3956 stainless steel and the bottom bar is AWS ERNiCrMo-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
81
Tensile Strength: Ultimate (UTS), MPa 650
750

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
450
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
55
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 4.8
9.2
Embodied Energy, MJ/kg 68
120
Embodied Water, L/kg 180
270

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 23
25
Strength to Weight: Bending, points 21
22
Thermal Shock Resistance, points 18
20

Alloy Composition

Carbon (C), % 0 to 0.060
0.050 to 0.15
Chromium (Cr), % 20.5 to 23.5
20.5 to 23
Cobalt (Co), % 0
0.5 to 2.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 51.9 to 62.1
17 to 20
Manganese (Mn), % 4.0 to 6.0
0 to 1.0
Molybdenum (Mo), % 1.5 to 3.0
8.0 to 10
Nickel (Ni), % 11.5 to 13.5
40.3 to 53.8
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
0.2 to 1.0
Vanadium (V), % 0.1 to 0.3
0
Residuals, % 0
0 to 0.5