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SAE-AISI M48 Steel vs. EN 1.4749 Stainless Steel

Both SAE-AISI M48 steel and EN 1.4749 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (13, 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 1.4749 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 78
80
Tensile Strength: Ultimate (UTS), MPa 890 to 2390
600

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1670
1420
Melting Onset (Solidus), °C 1620
1380
Specific Heat Capacity, J/kg-K 420
490
Thermal Expansion, µm/m-K 12
9.6

Otherwise Unclassified Properties

Base Metal Price, % relative 48
13
Density, g/cm3 8.7
7.6
Embodied Carbon, kg CO2/kg material 13
2.5
Embodied Energy, MJ/kg 190
36
Embodied Water, L/kg 160
160

Common Calculations

PREN (Pitting Resistance) 37
31
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 22
26
Strength to Weight: Axial, points 28 to 76
22
Strength to Weight: Bending, points 23 to 45
21
Thermal Shock Resistance, points 26 to 71
22

Alloy Composition

Carbon (C), % 1.4 to 1.5
0.15 to 0.2
Chromium (Cr), % 3.5 to 4.0
26 to 29
Cobalt (Co), % 8.0 to 10
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 63.8 to 69.8
68.5 to 73.7
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 4.8 to 5.5
0
Nickel (Ni), % 0 to 0.3
0
Nitrogen (N), % 0
0.15 to 0.25
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 0.015
Tungsten (W), % 9.5 to 10.5
0
Vanadium (V), % 2.8 to 3.3
0