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AWS E312 vs. EN 1.7701 Steel

Both AWS E312 and EN 1.7701 steel are iron alloys. They have 60% of their average alloy composition in common. There are 19 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 E312 and the bottom bar is EN 1.7701 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 740
670 to 2010

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 20
2.6
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.9
Embodied Energy, MJ/kg 52
26
Embodied Water, L/kg 200
52

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
24 to 71
Strength to Weight: Bending, points 24
22 to 45
Thermal Shock Resistance, points 18
20 to 59

Alloy Composition

Carbon (C), % 0 to 0.15
0.48 to 0.56
Chromium (Cr), % 28 to 32
0.9 to 1.2
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 52.3 to 63.5
96.2 to 97.7
Manganese (Mn), % 0.5 to 2.5
0.7 to 1.1
Molybdenum (Mo), % 0 to 0.75
0.15 to 0.3
Nickel (Ni), % 8.0 to 10.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.025
Vanadium (V), % 0
0.1 to 0.2