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EN 1.4823 Stainless Steel vs. SAE-AISI M4 Steel

Both EN 1.4823 stainless steel and SAE-AISI M4 steel are iron alloys. They have 72% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4823 stainless steel and the bottom bar is SAE-AISI M4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 620
770 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Melting Completion (Liquidus), °C 1400
1610
Melting Onset (Solidus), °C 1360
1560
Specific Heat Capacity, J/kg-K 490
440
Thermal Conductivity, W/m-K 17
25
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 16
25
Density, g/cm3 7.6
8.3
Embodied Carbon, kg CO2/kg material 3.0
14
Embodied Energy, MJ/kg 43
210
Embodied Water, L/kg 170
110

Common Calculations

PREN (Pitting Resistance) 27
30
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
23
Strength to Weight: Axial, points 23
26 to 72
Strength to Weight: Bending, points 21
23 to 45
Thermal Diffusivity, mm2/s 4.5
6.9
Thermal Shock Resistance, points 17
24 to 68

Alloy Composition

Carbon (C), % 0.3 to 0.5
1.3 to 1.4
Chromium (Cr), % 25 to 28
3.8 to 4.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 60.9 to 70.7
75.9 to 81.4
Manganese (Mn), % 0 to 1.5
0.15 to 0.4
Molybdenum (Mo), % 0 to 0.5
4.3 to 5.5
Nickel (Ni), % 3.0 to 6.0
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 1.0 to 2.5
0.2 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
5.3 to 6.5
Vanadium (V), % 0
3.8 to 4.5