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SAE-AISI M10 Steel vs. SAE-AISI A4 Steel

Both SAE-AISI M10 steel and SAE-AISI A4 steel are iron alloys. They have 88% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M10 steel and the bottom bar is SAE-AISI A4 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 76
73
Tensile Strength: Ultimate (UTS), MPa 740 to 2170
710 to 2050

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1520
1450
Melting Onset (Solidus), °C 1470
1410
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 31
40
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 14
3.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 8.3
1.8
Embodied Energy, MJ/kg 120
24
Embodied Water, L/kg 100
59

Common Calculations

PREN (Pitting Resistance) 31
5.3
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26 to 76
25 to 73
Strength to Weight: Bending, points 23 to 47
23 to 46
Thermal Diffusivity, mm2/s 8.5
11
Thermal Shock Resistance, points 23 to 68
23 to 67

Alloy Composition

Carbon (C), % 0.84 to 1.1
1.0 to 1.1
Chromium (Cr), % 3.8 to 4.5
0.9 to 2.2
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 82.3 to 85.6
92 to 95.5
Manganese (Mn), % 0.1 to 0.4
1.8 to 2.2
Molybdenum (Mo), % 7.8 to 8.5
0.9 to 1.4
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
Vanadium (V), % 1.8 to 2.2
0

Comparable Variants