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SAE-AISI 5140 Steel vs. ASTM A210 Steel

Both SAE-AISI 5140 steel and ASTM A210 steel are iron alloys.

For each property being compared, the top bar is SAE-AISI 5140 steel and the bottom bar is ASTM A210 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 290
140 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 29
34
Fatigue Strength, MPa 220 to 570
230 to 250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 360 to 600
320 to 360
Tensile Strength: Ultimate (UTS), MPa 560 to 970
470 to 540
Tensile Strength: Yield (Proof), MPa 290 to 840
290 to 310

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
400
Melting Completion (Liquidus), °C 1460
1460 to 1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
52 to 53
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.0 to 8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 49
45 to 46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 76 to 180
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 1880
230 to 250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20 to 34
17 to 19
Strength to Weight: Bending, points 19 to 28
17 to 19
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 16 to 29
15 to 17