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SAE-AISI 8630 Steel vs. SAE-AISI 1026 Steel

Both SAE-AISI 8630 steel and SAE-AISI 1026 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 8630 steel and the bottom bar is SAE-AISI 1026 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 200
140 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 24
17 to 27
Fatigue Strength, MPa 260 to 350
200 to 310
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 340 to 410
320 to 340
Tensile Strength: Ultimate (UTS), MPa 540 to 680
500 to 550
Tensile Strength: Yield (Proof), MPa 360 to 560
270 to 470

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
400
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 39
52
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
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
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78 to 110
89 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 840
200 to 580
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19 to 24
18 to 20
Strength to Weight: Bending, points 19 to 22
18 to 19
Thermal Diffusivity, mm2/s 10
14
Thermal Shock Resistance, points 18 to 23
16 to 18

Alloy Composition

Carbon (C), % 0.28 to 0.33
0.22 to 0.28
Chromium (Cr), % 0.4 to 0.6
0
Iron (Fe), % 96.8 to 97.9
98.7 to 99.18
Manganese (Mn), % 0.7 to 0.9
0.6 to 0.9
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.4 to 0.7
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

Comparable Variants