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AWS E308Mo vs. EN 1.4980 Stainless Steel

Both AWS E308Mo and EN 1.4980 stainless steel are iron alloys. They have 82% of their average alloy composition in common. 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 E308Mo and the bottom bar is EN 1.4980 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
17
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
75
Tensile Strength: Ultimate (UTS), MPa 620
1030

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
13
Thermal Expansion, µm/m-K 14
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 19
26
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.8
6.0
Embodied Energy, MJ/kg 53
87
Embodied Water, L/kg 160
170

Common Calculations

PREN (Pitting Resistance) 28
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
36
Strength to Weight: Bending, points 20
28
Thermal Diffusivity, mm2/s 4.2
3.5
Thermal Shock Resistance, points 16
22

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.080
0.030 to 0.080
Chromium (Cr), % 18 to 21
13.5 to 16
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 59.6 to 70.5
49.2 to 58.5
Manganese (Mn), % 0.5 to 2.5
1.0 to 2.0
Molybdenum (Mo), % 2.0 to 3.0
1.0 to 1.5
Nickel (Ni), % 9.0 to 12
24 to 27
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
1.9 to 2.3
Vanadium (V), % 0
0.1 to 0.5