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SAE-AISI 9310 Steel vs. ASTM Grade LC2-1 Steel

Both SAE-AISI 9310 steel and ASTM grade LC2-1 steel are iron alloys. Their average alloy composition is basically identical. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 9310 steel and the bottom bar is ASTM grade LC2-1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 540 to 610
240
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 19
20
Fatigue Strength, MPa 300 to 390
430
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 820 to 910
810
Tensile Strength: Yield (Proof), MPa 450 to 570
630

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 440
450
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 48
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 4.4
5.0
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.8
1.9
Embodied Energy, MJ/kg 24
25
Embodied Water, L/kg 57
60

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 150
150
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 860
1040
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29 to 32
29
Strength to Weight: Bending, points 25 to 27
25
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 24 to 27
24

Alloy Composition

Carbon (C), % 0.080 to 0.13
0 to 0.22
Chromium (Cr), % 1.0 to 1.4
1.4 to 1.9
Iron (Fe), % 93.8 to 95.2
92.5 to 95.3
Manganese (Mn), % 0.45 to 0.65
0.55 to 0.75
Molybdenum (Mo), % 0.080 to 0.15
0.3 to 0.6
Nickel (Ni), % 3.0 to 3.5
2.5 to 3.5
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0.2 to 0.35
0 to 0.5
Sulfur (S), % 0 to 0.012
0 to 0.045