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ASTM A414 Steel vs. ASTM A225 Steel

Both ASTM A414 steel and ASTM A225 steel are iron alloys.

For each property being compared, the top bar is ASTM A414 steel and the bottom bar is ASTM A225 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 180
190 to 250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 15 to 26
21 to 23
Fatigue Strength, MPa 140 to 260
330 to 390
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 230 to 370
390 to 520
Tensile Strength: Ultimate (UTS), MPa 360 to 590
620 to 830
Tensile Strength: Yield (Proof), MPa 190 to 350
460 to 550

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
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 49 to 50
52
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2 to 7.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3 to 8.4
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
2.3
Density, g/cm3 7.8 to 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.5 to 1.6
1.8
Embodied Energy, MJ/kg 20 to 22
24 to 25
Embodied Water, L/kg 48
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 69 to 130
120 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 330
580 to 820
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 13 to 21
22 to 29
Strength to Weight: Bending, points 14 to 20
21 to 25
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 11 to 17
18 to 24

Comparable Variants