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AWS E80C-B2 vs. EN 1.4938 Stainless Steel

Both AWS E80C-B2 and EN 1.4938 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS E80C-B2 and the bottom bar is EN 1.4938 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
16 to 17
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 630
870 to 1030
Tensile Strength: Yield (Proof), MPa 530
640 to 870

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
30
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
10
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
3.3
Embodied Energy, MJ/kg 22
47
Embodied Water, L/kg 53
110

Common Calculations

PREN (Pitting Resistance) 3.0
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 740
1050 to 1920
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
31 to 37
Strength to Weight: Bending, points 21
26 to 29
Thermal Diffusivity, mm2/s 11
8.1
Thermal Shock Resistance, points 18
30 to 35

Alloy Composition


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Carbon (C), % 0.050 to 0.12
0.080 to 0.15
Chromium (Cr), % 1.0 to 1.5
11 to 12.5
Iron (Fe), % 95.3 to 97.9
80.5 to 84.8
Manganese (Mn), % 0.4 to 1.0
0.4 to 0.9
Molybdenum (Mo), % 0.4 to 0.65
1.5 to 2.0
Nickel (Ni), % 0 to 0.2
2.0 to 3.0
Nitrogen (N), % 0
0.020 to 0.040
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.25 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0 to 0.030
0.25 to 0.4
Residuals, % 0 to 0.5
0