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SAE-AISI M10 Steel vs. SAE-AISI D7 Steel

Both SAE-AISI M10 steel and SAE-AISI D7 steel are iron alloys. They have 88% 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 D7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 740 to 2170
800 to 2120

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1520
1440
Melting Onset (Solidus), °C 1470
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 31
27
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 14
10
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 8.3
11
Embodied Energy, MJ/kg 120
180
Embodied Water, L/kg 100
130

Common Calculations

PREN (Pitting Resistance) 31
16
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26 to 76
29 to 78
Strength to Weight: Bending, points 23 to 47
25 to 48
Thermal Diffusivity, mm2/s 8.5
7.4
Thermal Shock Resistance, points 23 to 68
27 to 72

Alloy Composition

Carbon (C), % 0.84 to 1.1
2.2 to 2.5
Chromium (Cr), % 3.8 to 4.5
11.5 to 13.5
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 82.3 to 85.6
76.6 to 81.9
Manganese (Mn), % 0.1 to 0.4
0 to 0.6
Molybdenum (Mo), % 7.8 to 8.5
0.7 to 1.2
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 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 1.8 to 2.2
3.8 to 4.4

Comparable Variants