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SAE-AISI M48 Steel vs. AWS E308Mo

Both SAE-AISI M48 steel and AWS E308Mo are iron alloys. They have 72% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M48 steel and the bottom bar is AWS E308Mo.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 78
78
Tensile Strength: Ultimate (UTS), MPa 890 to 2390
620

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Melting Completion (Liquidus), °C 1670
1440
Melting Onset (Solidus), °C 1620
1400
Specific Heat Capacity, J/kg-K 420
470
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 48
19
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 13
3.8
Embodied Energy, MJ/kg 190
53
Embodied Water, L/kg 160
160

Common Calculations

PREN (Pitting Resistance) 37
28
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 28 to 76
22
Strength to Weight: Bending, points 23 to 45
20
Thermal Shock Resistance, points 26 to 71
16

Alloy Composition

Carbon (C), % 1.4 to 1.5
0 to 0.080
Chromium (Cr), % 3.5 to 4.0
18 to 21
Cobalt (Co), % 8.0 to 10
0
Copper (Cu), % 0 to 0.25
0 to 0.75
Iron (Fe), % 63.8 to 69.8
59.6 to 70.5
Manganese (Mn), % 0.15 to 0.4
0.5 to 2.5
Molybdenum (Mo), % 4.8 to 5.5
2.0 to 3.0
Nickel (Ni), % 0 to 0.3
9.0 to 12
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 9.5 to 10.5
0
Vanadium (V), % 2.8 to 3.3
0