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SAE-AISI H11 Steel vs. SAE-AISI M48 Steel

Both SAE-AISI H11 steel and SAE-AISI M48 steel are iron alloys. They have 74% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H11 steel and the bottom bar is SAE-AISI M48 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
78
Tensile Strength: Ultimate (UTS), MPa 690 to 1840
890 to 2390

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1460
1670
Melting Onset (Solidus), °C 1410
1620
Specific Heat Capacity, J/kg-K 470
420
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 5.5
48
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 3.0
13
Embodied Energy, MJ/kg 43
190
Embodied Water, L/kg 75
160

Common Calculations

PREN (Pitting Resistance) 9.6
37
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 25 to 66
28 to 76
Strength to Weight: Bending, points 22 to 43
23 to 45
Thermal Shock Resistance, points 22 to 58
26 to 71

Alloy Composition

Carbon (C), % 0.33 to 0.43
1.4 to 1.5
Chromium (Cr), % 4.8 to 5.5
3.5 to 4.0
Cobalt (Co), % 0
8.0 to 10
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 89.6 to 92.5
63.8 to 69.8
Manganese (Mn), % 0.2 to 0.5
0.15 to 0.4
Molybdenum (Mo), % 1.1 to 1.6
4.8 to 5.5
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.8 to 1.2
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
9.5 to 10.5
Vanadium (V), % 0.3 to 0.6
2.8 to 3.3

Comparable Variants