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SAE-AISI H42 Steel vs. SAE-AISI M52 Steel

Both SAE-AISI H42 steel and SAE-AISI M52 steel are iron alloys. They have a moderately high 94% 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 H42 steel and the bottom bar is SAE-AISI M52 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
75
Tensile Strength: Ultimate (UTS), MPa 700 to 1980
710 to 2280

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1620
1510
Melting Onset (Solidus), °C 1570
1470
Specific Heat Capacity, J/kg-K 440
460
Thermal Conductivity, W/m-K 24
31
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 24
12
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 8.8
7.5
Embodied Energy, MJ/kg 130
110
Embodied Water, L/kg 98
89

Common Calculations

PREN (Pitting Resistance) 31
20
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 23 to 65
25 to 80
Strength to Weight: Bending, points 21 to 42
22 to 49
Thermal Diffusivity, mm2/s 6.5
8.4
Thermal Shock Resistance, points 20 to 57
21 to 67

Alloy Composition

Carbon (C), % 0.55 to 0.7
0.85 to 1.0
Chromium (Cr), % 3.8 to 4.5
3.5 to 4.3
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 79.3 to 83.8
84.4 to 88.9
Manganese (Mn), % 0.15 to 0.4
0.15 to 0.45
Molybdenum (Mo), % 4.5 to 5.5
4.0 to 4.9
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0
0.2 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 5.5 to 6.8
0.75 to 1.5
Vanadium (V), % 1.8 to 2.2
1.7 to 2.3

Comparable Variants