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ASTM Grade HL Steel vs. ACI-ASTM CK35MN Steel

Both ASTM grade HL steel and ACI-ASTM CK35MN steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HL steel and the bottom bar is ACI-ASTM CK35MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
190
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 11
40
Fatigue Strength, MPa 150
270
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
81
Tensile Strength: Ultimate (UTS), MPa 500
650
Tensile Strength: Yield (Proof), MPa 270
310

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Maximum Temperature: Corrosion, °C 460
440
Maximum Temperature: Mechanical, °C 1100
1100
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
16

Otherwise Unclassified Properties

Base Metal Price, % relative 27
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.5
5.9
Embodied Energy, MJ/kg 65
81
Embodied Water, L/kg 210
210

Common Calculations

PREN (Pitting Resistance) 31
48
Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
210
Resilience: Unit (Modulus of Resilience), kJ/m3 180
240
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
14

Alloy Composition

Carbon (C), % 0.2 to 0.6
0 to 0.035
Chromium (Cr), % 28 to 32
22 to 24
Copper (Cu), % 0
0 to 0.4
Iron (Fe), % 40.8 to 53.8
43.4 to 51.8
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
6.0 to 6.8
Nickel (Ni), % 18 to 22
20 to 22
Nitrogen (N), % 0
0.21 to 0.32
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.020