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SAE-AISI M30 Steel vs. SAE-AISI P2 Steel

Both SAE-AISI M30 steel and SAE-AISI P2 steel are iron alloys. They have 80% 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 P2 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
73
Tensile Strength: Ultimate (UTS), MPa 800 to 2170
330 to 1980

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
46
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 26
2.7
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 7.2
1.5
Embodied Energy, MJ/kg 100
20
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
12 to 70
Strength to Weight: Bending, points 24 to 46
14 to 45
Thermal Diffusivity, mm2/s 6.6
12
Thermal Shock Resistance, points 25 to 67
11 to 65

Alloy Composition

Carbon (C), % 0.75 to 0.85
0 to 0.1
Chromium (Cr), % 3.5 to 4.3
0.75 to 1.3
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
96.6 to 98.8
Manganese (Mn), % 0.15 to 0.4
0.1 to 0.4
Molybdenum (Mo), % 7.8 to 9.0
0.15 to 0.4
Nickel (Ni), % 0 to 0.3
0.1 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.45
0.1 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 1.3 to 2.3
0
Vanadium (V), % 1.0 to 1.4
0

Comparable Variants