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AWS E310H vs. EN 1.7729 Steel

Both AWS E310H and EN 1.7729 steel are iron alloys. They have 52% 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 E310H 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, % 11
17
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 690
910

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1350
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
40
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 26
3.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.6
3.3
Embodied Energy, MJ/kg 65
49
Embodied Water, L/kg 200
59

Common Calculations

PREN (Pitting Resistance) 28
4.4
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
32
Strength to Weight: Bending, points 22
27
Thermal Diffusivity, mm2/s 3.8
11
Thermal Shock Resistance, points 17
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), % 0.35 to 0.45
0.17 to 0.23
Chromium (Cr), % 25 to 28
0.9 to 1.2
Copper (Cu), % 0 to 0.75
0 to 0.2
Iron (Fe), % 44.2 to 53.7
94.8 to 97
Manganese (Mn), % 1.0 to 2.5
0.35 to 0.75
Molybdenum (Mo), % 0 to 0.75
0.9 to 1.1
Nickel (Ni), % 20 to 22.5
0 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 0.75
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