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SAE-AISI 4161 Steel vs. ASTM A210 Steel

Both SAE-AISI 4161 steel and ASTM A210 steel are iron alloys.

For each property being compared, the top bar is SAE-AISI 4161 steel and the bottom bar is ASTM A210 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
140 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
34
Fatigue Strength, MPa 290
230 to 250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 420
320 to 360
Tensile Strength: Ultimate (UTS), MPa 680
470 to 540
Tensile Strength: Yield (Proof), MPa 410
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 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 43
52 to 53
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.0 to 8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
18
Embodied Water, L/kg 50
45 to 46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 460
230 to 250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
17 to 19
Strength to Weight: Bending, points 22
17 to 19
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 22
15 to 17