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AWS E320LR vs. SAE-AISI H43 Steel

Both AWS E320LR and SAE-AISI H43 steel are iron alloys. They have 45% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AWS E320LR and the bottom bar is SAE-AISI H43 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 580
710 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Melting Completion (Liquidus), °C 1410
1530
Melting Onset (Solidus), °C 1360
1480
Specific Heat Capacity, J/kg-K 460
460
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
14
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 6.2
8.2
Embodied Energy, MJ/kg 87
120
Embodied Water, L/kg 220
100

Common Calculations

PREN (Pitting Resistance) 28
31
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
25 to 75
Strength to Weight: Bending, points 19
22 to 46
Thermal Shock Resistance, points 15
21 to 62

Alloy Composition

Carbon (C), % 0 to 0.030
0.5 to 0.65
Chromium (Cr), % 19 to 21
3.8 to 4.5
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 32.7 to 42.5
83.2 to 85.9
Manganese (Mn), % 1.5 to 2.5
0.15 to 0.4
Molybdenum (Mo), % 2.0 to 3.0
7.8 to 8.5
Nickel (Ni), % 32 to 36
0
Niobium (Nb), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.3
0.2 to 0.45
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0
1.8 to 2.2