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SAE-AISI M6 Steel vs. SAE-AISI H11 Steel

Both SAE-AISI M6 steel and SAE-AISI H11 steel are iron alloys. They have 79% 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 M6 steel and the bottom bar is SAE-AISI H11 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 77
74
Tensile Strength: Ultimate (UTS), MPa 840 to 2210
690 to 1840

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1560
1460
Melting Onset (Solidus), °C 1510
1410
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 17
42
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 39
5.5
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 8.0
3.0
Embodied Energy, MJ/kg 120
43
Embodied Water, L/kg 160
75

Common Calculations

PREN (Pitting Resistance) 28
9.6
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 28 to 73
25 to 66
Strength to Weight: Bending, points 24 to 45
22 to 43
Thermal Diffusivity, mm2/s 4.7
11
Thermal Shock Resistance, points 26 to 68
22 to 58

Alloy Composition

Carbon (C), % 0.75 to 0.85
0.33 to 0.43
Chromium (Cr), % 3.8 to 4.5
4.8 to 5.5
Cobalt (Co), % 11 to 13
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 68.8 to 74.6
89.6 to 92.5
Manganese (Mn), % 0.15 to 0.4
0.2 to 0.5
Molybdenum (Mo), % 4.5 to 5.5
1.1 to 1.6
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.45
0.8 to 1.2
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 3.8 to 4.8
0
Vanadium (V), % 1.3 to 1.7
0.3 to 0.6

Comparable Variants