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SAE-AISI M48 Steel vs. SAE-AISI M62 Steel

Both SAE-AISI M48 steel and SAE-AISI M62 steel are iron alloys. They have 86% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI M48 steel and the bottom bar is SAE-AISI M62 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 78
79
Tensile Strength: Ultimate (UTS), MPa 890 to 2390
830 to 2440

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1670
1650
Melting Onset (Solidus), °C 1620
1600
Specific Heat Capacity, J/kg-K 420
430
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 48
30
Density, g/cm3 8.7
8.5
Embodied Carbon, kg CO2/kg material 13
10
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 160
110

Common Calculations

PREN (Pitting Resistance) 37
49
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
23
Strength to Weight: Axial, points 28 to 76
27 to 80
Strength to Weight: Bending, points 23 to 45
23 to 47
Thermal Shock Resistance, points 26 to 71
24 to 71

Alloy Composition

Carbon (C), % 1.4 to 1.5
1.3 to 1.4
Chromium (Cr), % 3.5 to 4.0
3.5 to 4.0
Cobalt (Co), % 8.0 to 10
0
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 63.8 to 69.8
73.6 to 77.4
Manganese (Mn), % 0.15 to 0.4
0.15 to 0.4
Molybdenum (Mo), % 4.8 to 5.5
10 to 11
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 0.4
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 9.5 to 10.5
5.8 to 6.5
Vanadium (V), % 2.8 to 3.3
1.8 to 2.1

Comparable Variants