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ASTM Grade HL Steel vs. SAE-AISI 1070 Steel

Both ASTM grade HL steel and SAE-AISI 1070 steel are iron alloys. They have 48% of their average alloy composition in common. There are 26 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 SAE-AISI 1070 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
190 to 230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
10 to 13
Fatigue Strength, MPa 150
270 to 350
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
72
Tensile Strength: Ultimate (UTS), MPa 500
640 to 760
Tensile Strength: Yield (Proof), MPa 270
420 to 560

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 27
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.5
1.4
Embodied Energy, MJ/kg 65
19
Embodied Water, L/kg 210
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
59 to 86
Resilience: Unit (Modulus of Resilience), kJ/m3 180
470 to 850
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
23 to 27
Strength to Weight: Bending, points 18
21 to 24
Thermal Shock Resistance, points 11
21 to 25

Alloy Composition

Carbon (C), % 0.2 to 0.6
0.65 to 0.75
Chromium (Cr), % 28 to 32
0
Iron (Fe), % 40.8 to 53.8
98.3 to 98.8
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 18 to 22
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0
Sulfur (S), % 0 to 0.040
0 to 0.050