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AWS E16-8-2 vs. EN 1.7729 Steel

Both AWS E16-8-2 and EN 1.7729 steel are iron alloys. They have 75% 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 AWS E16-8-2 and the bottom bar is EN 1.7729 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 77
73
Tensile Strength: Ultimate (UTS), MPa 620
910

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
40
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 15
3.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.2
3.3
Embodied Energy, MJ/kg 45
49
Embodied Water, L/kg 140
59

Common Calculations

PREN (Pitting Resistance) 20
4.4
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
32
Strength to Weight: Bending, points 20
27
Thermal Diffusivity, mm2/s 4.2
11
Thermal Shock Resistance, points 16
27

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.080
Arsenic (As), % 0
0 to 0.020
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0 to 0.1
0.17 to 0.23
Chromium (Cr), % 14.5 to 16.5
0.9 to 1.2
Copper (Cu), % 0 to 0.75
0 to 0.2
Iron (Fe), % 68 to 76.5
94.8 to 97
Manganese (Mn), % 0.5 to 2.5
0.35 to 0.75
Molybdenum (Mo), % 1.0 to 2.0
0.9 to 1.1
Nickel (Ni), % 7.5 to 9.5
0 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 0.6
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.015
Tin (Sn), % 0
0 to 0.020
Titanium (Ti), % 0
0.070 to 0.15
Vanadium (V), % 0
0.6 to 0.8