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ASTM A387 Grade 22L Class 1 vs. ACI-ASTM CB6 Steel

Both ASTM A387 grade 22L class 1 and ACI-ASTM CB6 steel are iron alloys. They have 81% of their average alloy composition in common. There are 30 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 A387 grade 22L class 1 and the bottom bar is ACI-ASTM CB6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
18
Fatigue Strength, MPa 160
410
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Tensile Strength: Ultimate (UTS), MPa 500
880
Tensile Strength: Yield (Proof), MPa 230
660

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 460
870
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1430
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
17
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
12
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
2.5
Embodied Energy, MJ/kg 23
36
Embodied Water, L/kg 58
130

Common Calculations

PREN (Pitting Resistance) 5.6
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
150
Resilience: Unit (Modulus of Resilience), kJ/m3 140
1110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
32
Strength to Weight: Bending, points 18
26
Thermal Diffusivity, mm2/s 11
4.6
Thermal Shock Resistance, points 14
31

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.060
Chromium (Cr), % 2.0 to 2.5
15.5 to 17.5
Iron (Fe), % 95.2 to 96.8
74.4 to 81
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
0 to 0.5
Nickel (Ni), % 0
3.5 to 5.5
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030