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AWS E70C-Ni2 vs. EN 1.4971 Stainless Steel

Both AWS E70C-Ni2 and EN 1.4971 stainless steel are iron alloys. They have a modest 34% of their average alloy composition in common, which, by itself, doesn't mean much. 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 AWS E70C-Ni2 and the bottom bar is EN 1.4971 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 27
34
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
81
Tensile Strength: Ultimate (UTS), MPa 560
800
Tensile Strength: Yield (Proof), MPa 450
340

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 52
13
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 3.3
70
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 1.6
7.6
Embodied Energy, MJ/kg 22
110
Embodied Water, L/kg 51
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
220
Resilience: Unit (Modulus of Resilience), kJ/m3 540
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
26
Strength to Weight: Bending, points 19
23
Thermal Diffusivity, mm2/s 14
3.4
Thermal Shock Resistance, points 17
19

Alloy Composition

Carbon (C), % 0 to 0.080
0.080 to 0.16
Chromium (Cr), % 0
20 to 22.5
Cobalt (Co), % 0
18.5 to 21
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 94.1 to 98.3
24.3 to 37.1
Manganese (Mn), % 0 to 1.3
0 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 1.8 to 2.8
19 to 21
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.9
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 0
2.0 to 3.0
Vanadium (V), % 0 to 0.030
0
Residuals, % 0 to 0.5
0