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AWS E430Nb vs. ASTM Grade LC2-1 Steel

Both AWS E430Nb and ASTM grade LC2-1 steel are iron alloys. They have 84% of their average alloy composition in common. There are 25 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 E430Nb and the bottom bar is ASTM grade LC2-1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
20
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 500
810

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 24
46
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 15
5.0
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.1
1.9
Embodied Energy, MJ/kg 45
25
Embodied Water, L/kg 120
60

Common Calculations

PREN (Pitting Resistance) 18
3.1
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
29
Strength to Weight: Bending, points 18
25
Thermal Diffusivity, mm2/s 6.6
12
Thermal Shock Resistance, points 13
24

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.22
Chromium (Cr), % 15 to 18
1.4 to 1.9
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 76.2 to 84.5
92.5 to 95.3
Manganese (Mn), % 0 to 1.0
0.55 to 0.75
Molybdenum (Mo), % 0 to 0.75
0.3 to 0.6
Nickel (Ni), % 0 to 0.6
2.5 to 3.5
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.045