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EN 1.4971 Stainless Steel vs. AWS E349

Both EN 1.4971 stainless steel and AWS E349 are iron alloys. They have 64% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (10, 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 E349.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
29
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
78
Tensile Strength: Ultimate (UTS), MPa 800
770

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 15
14

Otherwise Unclassified Properties

Base Metal Price, % relative 70
25
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 7.6
4.9
Embodied Energy, MJ/kg 110
72
Embodied Water, L/kg 300
150

Common Calculations

PREN (Pitting Resistance) 38
24
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
27
Strength to Weight: Bending, points 23
24
Thermal Diffusivity, mm2/s 3.4
4.1
Thermal Shock Resistance, points 19
20

Alloy Composition

Carbon (C), % 0.080 to 0.16
0 to 0.13
Chromium (Cr), % 20 to 22.5
18 to 21
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 24.3 to 37.1
60.5 to 71.1
Manganese (Mn), % 0 to 2.0
0.5 to 2.5
Molybdenum (Mo), % 2.5 to 3.5
0.35 to 0.65
Nickel (Ni), % 19 to 21
8.0 to 10
Niobium (Nb), % 0.75 to 1.3
0.75 to 1.2
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0 to 0.15
Tungsten (W), % 2.0 to 3.0
1.3 to 1.8
Vanadium (V), % 0
0.1 to 0.3