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SAE-AISI M48 Steel vs. EN 1.4449 Stainless Steel

Both SAE-AISI M48 steel and EN 1.4449 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M48 steel and the bottom bar is EN 1.4449 stainless steel.

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
16

Otherwise Unclassified Properties

Base Metal Price, % relative 48
19
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 13
3.9
Embodied Energy, MJ/kg 190
54
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 37
27
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
14

Alloy Composition

Carbon (C), % 1.4 to 1.5
0 to 0.035
Chromium (Cr), % 3.5 to 4.0
17 to 18.2
Cobalt (Co), % 8.0 to 10
0
Copper (Cu), % 0 to 0.25
0 to 1.0
Iron (Fe), % 63.8 to 69.8
62.4 to 69.3
Manganese (Mn), % 0.15 to 0.4
0 to 2.0
Molybdenum (Mo), % 4.8 to 5.5
2.3 to 2.8
Nickel (Ni), % 0 to 0.3
11.5 to 12.5
Nitrogen (N), % 0
0 to 0.080
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.15 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 9.5 to 10.5
0
Vanadium (V), % 2.8 to 3.3
0