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EN 1.7390 Steel vs. AWS E316

Both EN 1.7390 steel and AWS E316 are iron alloys. They have 70% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.7390 steel and the bottom bar is AWS E316.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
34
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
78
Tensile Strength: Ultimate (UTS), MPa 710
580

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
20
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
4.0
Embodied Energy, MJ/kg 23
55
Embodied Water, L/kg 69
160

Common Calculations

PREN (Pitting Resistance) 6.8
27
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
20
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 20
15

Alloy Composition

Carbon (C), % 0 to 0.18
0 to 0.080
Chromium (Cr), % 4.0 to 6.0
17 to 20
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 91.9 to 95.3
58.6 to 69.5
Manganese (Mn), % 0.3 to 0.8
0.5 to 2.5
Molybdenum (Mo), % 0.45 to 0.65
2.0 to 3.0
Nickel (Ni), % 0
11 to 14
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030