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AWS E320LR vs. ASTM Grade HE Steel

Both AWS E320LR and ASTM grade HE steel 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 (11, in this case) are not shown.

For each property being compared, the top bar is AWS E320LR and the bottom bar is ASTM grade HE steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
10
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 580
670

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Melting Completion (Liquidus), °C 1410
1400
Melting Onset (Solidus), °C 1360
1360
Specific Heat Capacity, J/kg-K 460
490
Thermal Expansion, µm/m-K 14
17

Otherwise Unclassified Properties

Base Metal Price, % relative 36
19
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 6.2
3.5
Embodied Energy, MJ/kg 87
50
Embodied Water, L/kg 220
190

Common Calculations

PREN (Pitting Resistance) 28
29
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
24
Strength to Weight: Bending, points 19
22
Thermal Shock Resistance, points 15
14

Alloy Composition

Carbon (C), % 0 to 0.030
0.2 to 0.5
Chromium (Cr), % 19 to 21
26 to 30
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 32.7 to 42.5
53.9 to 65.8
Manganese (Mn), % 1.5 to 2.5
0 to 2.0
Molybdenum (Mo), % 2.0 to 3.0
0 to 0.5
Nickel (Ni), % 32 to 36
8.0 to 11
Niobium (Nb), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.040