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SAE-AISI M10 Steel vs. SAE-AISI M47 Steel

Both SAE-AISI M10 steel and SAE-AISI M47 steel are iron alloys. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI M10 steel and the bottom bar is SAE-AISI M47 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 740 to 2170
810 to 2310

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1520
1540
Melting Onset (Solidus), °C 1470
1500
Specific Heat Capacity, J/kg-K 460
450
Thermal Conductivity, W/m-K 31
23
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 14
26
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 8.3
7.4
Embodied Energy, MJ/kg 120
100
Embodied Water, L/kg 100
120

Common Calculations

PREN (Pitting Resistance) 31
38
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26 to 76
28 to 79
Strength to Weight: Bending, points 23 to 47
24 to 48
Thermal Diffusivity, mm2/s 8.5
6.3
Thermal Shock Resistance, points 23 to 68
27 to 77

Alloy Composition

Carbon (C), % 0.84 to 1.1
1.1 to 1.2
Chromium (Cr), % 3.8 to 4.5
3.5 to 4.0
Cobalt (Co), % 0
4.8 to 5.3
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 82.3 to 85.6
78.7 to 85
Manganese (Mn), % 0.1 to 0.4
0.15 to 0.4
Molybdenum (Mo), % 7.8 to 8.5
9.3 to 10
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
0.2 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
1.3 to 1.8
Vanadium (V), % 1.8 to 2.2
1.2 to 1.4

Comparable Variants