MakeItFrom.com
Menu (ESC)

SAE-AISI M30 Steel vs. SAE-AISI O1 Steel

Both SAE-AISI M30 steel and SAE-AISI O1 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 (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M30 steel and the bottom bar is SAE-AISI O1 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 78
72
Tensile Strength: Ultimate (UTS), MPa 800 to 2170
640 to 2060

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1550
1460
Melting Onset (Solidus), °C 1500
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 24
43
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 26
3.4
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 7.2
1.9
Embodied Energy, MJ/kg 100
27
Embodied Water, L/kg 120
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 74
23 to 73
Strength to Weight: Bending, points 24 to 46
21 to 46
Thermal Diffusivity, mm2/s 6.6
12
Thermal Shock Resistance, points 25 to 67
21 to 68

Alloy Composition

Carbon (C), % 0.75 to 0.85
0.85 to 1.0
Chromium (Cr), % 3.5 to 4.3
0.4 to 0.6
Cobalt (Co), % 4.5 to 5.5
0
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 75.2 to 80.9
95 to 97.4
Manganese (Mn), % 0.15 to 0.4
1.0 to 1.4
Molybdenum (Mo), % 7.8 to 9.0
0
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.45
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 1.3 to 2.3
0.4 to 0.6
Vanadium (V), % 1.0 to 1.4
0 to 0.3

Comparable Variants