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SAE-AISI 4626 Steel vs. SAE-AISI 1005 Steel

Both SAE-AISI 4626 steel and SAE-AISI 1005 steel are iron alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI 4626 steel and the bottom bar is SAE-AISI 1005 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
95
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
23
Fatigue Strength, MPa 240
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 320
210
Tensile Strength: Ultimate (UTS), MPa 500
330
Tensile Strength: Yield (Proof), MPa 330
260

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 44
53
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
7.9

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 48
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
70
Resilience: Unit (Modulus of Resilience), kJ/m3 290
180
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
12
Strength to Weight: Bending, points 18
13
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 15
10

Alloy Composition

Carbon (C), % 0.24 to 0.29
0 to 0.060
Iron (Fe), % 97.4 to 98.3
99.5 to 100
Manganese (Mn), % 0.45 to 0.65
0 to 0.35
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.7 to 1.0
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.040
0 to 0.050