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ASTM A387 Grade 11 Steel vs. ASTM A225 Steel

Both ASTM A387 grade 11 steel and ASTM A225 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 11 steel and the bottom bar is ASTM A225 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
190 to 250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
21 to 23
Fatigue Strength, MPa 200 to 250
330 to 390
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 320 to 390
390 to 520
Tensile Strength: Ultimate (UTS), MPa 500 to 600
620 to 830
Tensile Strength: Yield (Proof), MPa 270 to 350
460 to 550

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 430
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
52
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.8
Embodied Energy, MJ/kg 21
24 to 25
Embodied Water, L/kg 53
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 130
120 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 320
580 to 820
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 21
22 to 29
Strength to Weight: Bending, points 18 to 20
21 to 25
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 15 to 18
18 to 24

Comparable Variants