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EN 1.4901 Stainless Steel vs. SAE-AISI M48 Steel

Both EN 1.4901 stainless steel and SAE-AISI M48 steel are iron alloys. They have 74% 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 EN 1.4901 stainless steel and the bottom bar is SAE-AISI M48 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 740
890 to 2390

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1490
1670
Melting Onset (Solidus), °C 1450
1620
Specific Heat Capacity, J/kg-K 470
420
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
48
Density, g/cm3 7.9
8.7
Embodied Carbon, kg CO2/kg material 2.8
13
Embodied Energy, MJ/kg 40
190
Embodied Water, L/kg 89
160

Common Calculations

PREN (Pitting Resistance) 14
37
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 26
28 to 76
Strength to Weight: Bending, points 23
23 to 45
Thermal Shock Resistance, points 23
26 to 71

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.070 to 0.13
1.4 to 1.5
Chromium (Cr), % 8.5 to 9.5
3.5 to 4.0
Cobalt (Co), % 0
8.0 to 10
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 85.8 to 89.1
63.8 to 69.8
Manganese (Mn), % 0.3 to 0.6
0.15 to 0.4
Molybdenum (Mo), % 0.3 to 0.6
4.8 to 5.5
Nickel (Ni), % 0 to 0.4
0 to 0.3
Niobium (Nb), % 0.040 to 0.090
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.5
0.15 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.0
9.5 to 10.5
Vanadium (V), % 0.15 to 0.25
2.8 to 3.3
Zirconium (Zr), % 0 to 0.010
0