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ASTM A266 Carbon Steel vs. ASTM A387 Grade 22 Steel

Both ASTM A266 carbon steel and ASTM A387 grade 22 steel are iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A266 carbon steel and the bottom bar is ASTM A387 grade 22 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21 to 26
21
Fatigue Strength, MPa 170 to 200
160 to 240
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 320 to 380
300 to 380
Tensile Strength: Ultimate (UTS), MPa 500 to 600
480 to 600
Tensile Strength: Yield (Proof), MPa 230 to 290
230 to 350

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 400
460
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51 to 52
40
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1 to 8.2
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
3.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.7
Embodied Energy, MJ/kg 18 to 19
23
Embodied Water, L/kg 46 to 47
58

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
85 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 230
140 to 320
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 21
17 to 21
Strength to Weight: Bending, points 18 to 20
17 to 20
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 16 to 19
14 to 17