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SAE-AISI 4419 Steel vs. ASTM A514 Steel

Both SAE-AISI 4419 steel and ASTM A514 steel are iron alloys.

For each property being compared, the top bar is SAE-AISI 4419 steel and the bottom bar is ASTM A514 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
240 to 250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
18 to 21
Fatigue Strength, MPa 190
470 to 540
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 310
490 to 520
Tensile Strength: Ultimate (UTS), MPa 490
790 to 830
Tensile Strength: Yield (Proof), MPa 270
690 to 770

Thermal Properties

Latent Heat of Fusion, J/g 250
250 to 260
Maximum Temperature: Mechanical, °C 410
400 to 440
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 50
37 to 51
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.2 to 7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.3 to 8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
2.3 to 3.8
Density, g/cm3 7.9
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 1.5
1.6 to 1.8
Embodied Energy, MJ/kg 20
21 to 25
Embodied Water, L/kg 47
48 to 57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 97
140 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 190
1280 to 1590
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
28 to 29
Strength to Weight: Bending, points 18
24 to 25
Thermal Diffusivity, mm2/s 13
10 to 14
Thermal Shock Resistance, points 14
23 to 24