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AWS E312 vs. AWS E90C-B9

Both AWS E312 and AWS E90C-B9 are iron alloys. They have 69% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS E312 and the bottom bar is AWS E90C-B9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25
18
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
75
Tensile Strength: Ultimate (UTS), MPa 740
710

Thermal Properties

Latent Heat of Fusion, J/g 310
270
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
13

Otherwise Unclassified Properties

Base Metal Price, % relative 20
7.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.6
2.6
Embodied Energy, MJ/kg 52
37
Embodied Water, L/kg 200
91

Common Calculations

PREN (Pitting Resistance) 31
13
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
25
Strength to Weight: Bending, points 24
23
Thermal Shock Resistance, points 18
20

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.15
0.080 to 0.13
Chromium (Cr), % 28 to 32
8.0 to 10.5
Copper (Cu), % 0 to 0.75
0 to 0.2
Iron (Fe), % 52.3 to 63.5
84.4 to 90.9
Manganese (Mn), % 0.5 to 2.5
0 to 1.2
Molybdenum (Mo), % 0 to 0.75
0.85 to 1.2
Nickel (Ni), % 8.0 to 10.5
0 to 0.8
Niobium (Nb), % 0
0.020 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0
0.15 to 0.3
Residuals, % 0
0 to 0.5