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ASTM A414 Steel vs. ASTM A356 Grade 9

Both ASTM A414 steel and ASTM A356 grade 9 are iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A414 steel and the bottom bar is ASTM A356 grade 9.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 180
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 15 to 26
17
Fatigue Strength, MPa 140 to 260
310
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 360 to 590
670
Tensile Strength: Yield (Proof), MPa 190 to 350
460

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 400
440
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 49 to 50
41
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2 to 7.3
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3 to 8.4
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
3.6
Density, g/cm3 7.8 to 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.5 to 1.6
2.4
Embodied Energy, MJ/kg 20 to 22
33
Embodied Water, L/kg 48
56

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 69 to 130
100
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 330
570
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 13 to 21
24
Strength to Weight: Bending, points 14 to 20
22
Thermal Diffusivity, mm2/s 13
11
Thermal Shock Resistance, points 11 to 17
19