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SAE-AISI M43 Steel vs. SAE-AISI H11 Steel

Both SAE-AISI M43 steel and SAE-AISI H11 steel are iron alloys. They have 80% 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 M43 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 810 to 2290
690 to 1840

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1550
1460
Melting Onset (Solidus), °C 1500
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 19
42
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 33
5.5
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 8.5
3.0
Embodied Energy, MJ/kg 120
43
Embodied Water, L/kg 140
75

Common Calculations

PREN (Pitting Resistance) 35
9.6
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 77
25 to 66
Strength to Weight: Bending, points 24 to 47
22 to 43
Thermal Diffusivity, mm2/s 5.3
11
Thermal Shock Resistance, points 25 to 71
22 to 58

Alloy Composition

Carbon (C), % 1.2 to 1.3
0.33 to 0.43
Chromium (Cr), % 3.5 to 4.3
4.8 to 5.5
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 70.8 to 76
89.6 to 92.5
Manganese (Mn), % 0.2 to 0.4
0.2 to 0.5
Molybdenum (Mo), % 7.5 to 8.5
1.1 to 1.6
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.15 to 0.65
0.8 to 1.2
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 2.3 to 3.0
0
Vanadium (V), % 1.5 to 1.8
0.3 to 0.6

Comparable Variants