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SAE-AISI M3 Class 1 Steel vs. SAE-AISI 1030 Steel

Both SAE-AISI M3 class 1 steel and SAE-AISI 1030 steel are iron alloys. They have 81% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M3 class 1 steel and the bottom bar is SAE-AISI 1030 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 770 to 2150
530 to 590

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1610
1460
Melting Onset (Solidus), °C 1570
1420
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 26
51
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
1.8
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 10
1.4
Embodied Energy, MJ/kg 150
18
Embodied Water, L/kg 100
46

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26 to 72
19 to 21
Strength to Weight: Bending, points 22 to 44
18 to 20
Thermal Diffusivity, mm2/s 7.2
14
Thermal Shock Resistance, points 24 to 67
17 to 19

Alloy Composition

Carbon (C), % 1.0 to 1.1
0.28 to 0.34
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 76.9 to 82.9
98.7 to 99.12
Manganese (Mn), % 0.15 to 0.4
0.6 to 0.9
Molybdenum (Mo), % 4.8 to 6.5
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.45
0
Sulfur (S), % 0 to 0.030
0 to 0.050
Tungsten (W), % 5.0 to 6.8
0
Vanadium (V), % 2.3 to 2.8
0