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SAE-AISI 5135 Steel vs. ASTM A514 Steel

Both SAE-AISI 5135 steel and ASTM A514 steel are iron alloys.

For each property being compared, the top bar is SAE-AISI 5135 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, % 22
18 to 21
Fatigue Strength, MPa 240
470 to 540
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 320
490 to 520
Tensile Strength: Ultimate (UTS), MPa 510
790 to 830
Tensile Strength: Yield (Proof), MPa 340
690 to 770

Thermal Properties

Latent Heat of Fusion, J/g 250
250 to 260
Maximum Temperature: Mechanical, °C 420
400 to 440
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 45
37 to 51
Thermal Expansion, µm/m-K 12
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
2.3 to 3.8
Density, g/cm3 7.8
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 1.4
1.6 to 1.8
Embodied Energy, MJ/kg 19
21 to 25
Embodied Water, L/kg 50
48 to 57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
140 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 300
1280 to 1590
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
28 to 29
Strength to Weight: Bending, points 18
24 to 25
Thermal Diffusivity, mm2/s 12
10 to 14
Thermal Shock Resistance, points 16
23 to 24