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ASTM A387 Grade 22 Steel vs. ASTM A203 Steel

Both ASTM A387 grade 22 steel and ASTM A203 steel are iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 22 steel and the bottom bar is ASTM A203 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
22 to 26
Fatigue Strength, MPa 160 to 240
210 to 280
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 300 to 380
330 to 370
Tensile Strength: Ultimate (UTS), MPa 480 to 600
520 to 590
Tensile Strength: Yield (Proof), MPa 230 to 350
290 to 390

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 460
410
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
52
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.4 to 7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.5 to 8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
3.2 to 4.0
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.7
1.6 to 1.7
Embodied Energy, MJ/kg 23
21 to 23
Embodied Water, L/kg 58
50 to 52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 85 to 110
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 320
230 to 410
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17 to 21
18 to 21
Strength to Weight: Bending, points 17 to 20
18 to 20
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 14 to 17
15 to 17