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ASTM A514 Steel vs. R30556 Alloy

Both ASTM A514 steel and R30556 alloy 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 A514 steel and the bottom bar is R30556 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 18 to 21
45
Fatigue Strength, MPa 470 to 540
320
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
81
Shear Strength, MPa 490 to 520
550
Tensile Strength: Ultimate (UTS), MPa 790 to 830
780
Tensile Strength: Yield (Proof), MPa 690 to 770
350

Thermal Properties

Latent Heat of Fusion, J/g 250 to 260
300
Maximum Temperature: Mechanical, °C 400 to 440
1100
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1330
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 37 to 51
11
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2 to 7.6
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3 to 8.8
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3 to 3.8
70
Density, g/cm3 7.8 to 7.9
8.4
Embodied Carbon, kg CO2/kg material 1.6 to 1.8
8.7
Embodied Energy, MJ/kg 21 to 25
130
Embodied Water, L/kg 48 to 57
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 170
290
Resilience: Unit (Modulus of Resilience), kJ/m3 1280 to 1590
290
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 28 to 29
26
Strength to Weight: Bending, points 24 to 25
22
Thermal Diffusivity, mm2/s 10 to 14
2.9
Thermal Shock Resistance, points 23 to 24
18