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SAE-AISI 1049 Steel vs. SAE-AISI 9310 Steel

Both SAE-AISI 1049 steel and SAE-AISI 9310 steel are iron alloys. They have a very high 95% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1049 steel and the bottom bar is SAE-AISI 9310 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 220
540 to 610
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
17 to 19
Fatigue Strength, MPa 250 to 400
300 to 390
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 420 to 450
510 to 570
Tensile Strength: Ultimate (UTS), MPa 680 to 750
820 to 910
Tensile Strength: Yield (Proof), MPa 370 to 640
450 to 570

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
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 51
48
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
4.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.8
Embodied Energy, MJ/kg 18
24
Embodied Water, L/kg 46
57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75 to 99
120 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 370 to 1090
540 to 860
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 27
29 to 32
Strength to Weight: Bending, points 22 to 23
25 to 27
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 22 to 24
24 to 27

Alloy Composition

Carbon (C), % 0.46 to 0.53
0.080 to 0.13
Chromium (Cr), % 0
1.0 to 1.4
Iron (Fe), % 98.5 to 98.9
93.8 to 95.2
Manganese (Mn), % 0.6 to 0.9
0.45 to 0.65
Molybdenum (Mo), % 0
0.080 to 0.15
Nickel (Ni), % 0
3.0 to 3.5
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0
0.2 to 0.35
Sulfur (S), % 0 to 0.050
0 to 0.012