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ASTM Grade HL Steel vs. AWS ER80S-B8

Both ASTM grade HL steel and AWS ER80S-B8 are iron alloys. They have 58% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HL steel and the bottom bar is AWS ER80S-B8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
19
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
75
Tensile Strength: Ultimate (UTS), MPa 500
630
Tensile Strength: Yield (Proof), MPa 270
530

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1410
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 27
6.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.5
2.0
Embodied Energy, MJ/kg 65
28
Embodied Water, L/kg 210
89

Common Calculations

PREN (Pitting Resistance) 31
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
120
Resilience: Unit (Modulus of Resilience), kJ/m3 180
720
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
22
Strength to Weight: Bending, points 18
21
Thermal Shock Resistance, points 11
17

Alloy Composition

Carbon (C), % 0.2 to 0.6
0 to 0.1
Chromium (Cr), % 28 to 32
8.0 to 10.5
Copper (Cu), % 0
0 to 0.35
Iron (Fe), % 40.8 to 53.8
85.6 to 90.8
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 0 to 0.5
0.8 to 1.2
Nickel (Ni), % 18 to 22
0 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 2.0
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.025
Residuals, % 0
0 to 0.5