MakeItFrom.com
Menu (ESC)

SAE-AISI M3 Class 2 Steel vs. EN 1.4821 Stainless Steel

Both SAE-AISI M3 class 2 steel and EN 1.4821 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M3 class 2 steel and the bottom bar is EN 1.4821 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 77
79
Tensile Strength: Ultimate (UTS), MPa 770 to 2210
730

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Melting Completion (Liquidus), °C 1620
1410
Melting Onset (Solidus), °C 1570
1370
Specific Heat Capacity, J/kg-K 440
490
Thermal Conductivity, W/m-K 26
17
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
15
Density, g/cm3 8.3
7.6
Embodied Carbon, kg CO2/kg material 12
2.9
Embodied Energy, MJ/kg 180
41
Embodied Water, L/kg 110
160

Common Calculations

PREN (Pitting Resistance) 33
26
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
26
Strength to Weight: Axial, points 26 to 74
26
Strength to Weight: Bending, points 22 to 45
23
Thermal Diffusivity, mm2/s 7.2
4.6
Thermal Shock Resistance, points 24 to 69
21

Alloy Composition

Carbon (C), % 1.2 to 1.3
0.1 to 0.2
Chromium (Cr), % 3.8 to 4.5
24.5 to 26.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 75.8 to 82.3
64.2 to 71.1
Manganese (Mn), % 0.15 to 0.4
0 to 2.0
Molybdenum (Mo), % 4.8 to 6.5
0
Nickel (Ni), % 0 to 0.3
3.5 to 5.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.45
0.8 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 5.0 to 6.8
0
Vanadium (V), % 2.8 to 3.8
0