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EN 1.4971 Stainless Steel vs. AWS E80C-B2

Both EN 1.4971 stainless steel and AWS E80C-B2 are iron alloys. They have a modest 34% of their average alloy composition in common, which, by itself, doesn't mean much. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4971 stainless steel and the bottom bar is AWS E80C-B2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
22
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 800
630
Tensile Strength: Yield (Proof), MPa 340
530

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 13
39
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
3.0
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 7.6
1.6
Embodied Energy, MJ/kg 110
22
Embodied Water, L/kg 300
53

Common Calculations

PREN (Pitting Resistance) 38
3.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
130
Resilience: Unit (Modulus of Resilience), kJ/m3 280
740
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
22
Strength to Weight: Bending, points 23
21
Thermal Diffusivity, mm2/s 3.4
11
Thermal Shock Resistance, points 19
18

Alloy Composition

Carbon (C), % 0.080 to 0.16
0.050 to 0.12
Chromium (Cr), % 20 to 22.5
1.0 to 1.5
Cobalt (Co), % 18.5 to 21
0
Iron (Fe), % 24.3 to 37.1
95.3 to 97.9
Manganese (Mn), % 0 to 2.0
0.4 to 1.0
Molybdenum (Mo), % 2.5 to 3.5
0.4 to 0.65
Nickel (Ni), % 19 to 21
0 to 0.2
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.0
0.25 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 2.0 to 3.0
0
Vanadium (V), % 0
0 to 0.030
Residuals, % 0
0 to 0.5