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AWS E312 vs. EN 1.1127 Steel

Both AWS E312 and EN 1.1127 steel are iron alloys. They have 60% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS E312 and the bottom bar is EN 1.1127 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25
14 to 25
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 740
660 to 790

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 20
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.5
Embodied Energy, MJ/kg 52
19
Embodied Water, L/kg 200
49

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
23 to 28
Strength to Weight: Bending, points 24
22 to 24
Thermal Shock Resistance, points 18
21 to 25

Alloy Composition

Carbon (C), % 0 to 0.15
0.34 to 0.42
Chromium (Cr), % 28 to 32
0 to 0.4
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 52.3 to 63.5
96.6 to 98.1
Manganese (Mn), % 0.5 to 2.5
1.4 to 1.7
Molybdenum (Mo), % 0 to 0.75
0 to 0.1
Nickel (Ni), % 8.0 to 10.5
0 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.035