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SAE-AISI M6 Steel vs. EN 1.4305 Stainless Steel

Both SAE-AISI M6 steel and EN 1.4305 stainless steel are iron alloys. They have 75% 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 M6 steel and the bottom bar is EN 1.4305 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 77
77
Tensile Strength: Ultimate (UTS), MPa 840 to 2210
610 to 900

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Melting Completion (Liquidus), °C 1560
1420
Melting Onset (Solidus), °C 1510
1380
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 39
15
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 8.0
3.0
Embodied Energy, MJ/kg 120
42
Embodied Water, L/kg 160
140

Common Calculations

PREN (Pitting Resistance) 28
19
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 28 to 73
22 to 32
Strength to Weight: Bending, points 24 to 45
20 to 27
Thermal Diffusivity, mm2/s 4.7
4.0
Thermal Shock Resistance, points 26 to 68
14 to 20

Alloy Composition

Carbon (C), % 0.75 to 0.85
0 to 0.1
Chromium (Cr), % 3.8 to 4.5
17 to 19
Cobalt (Co), % 11 to 13
0
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 68.8 to 74.6
66.4 to 74.9
Manganese (Mn), % 0.15 to 0.4
0 to 2.0
Molybdenum (Mo), % 4.5 to 5.5
0
Nickel (Ni), % 0
8.0 to 10
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.2 to 0.45
0 to 1.0
Sulfur (S), % 0 to 0.030
0.15 to 0.35
Tungsten (W), % 3.8 to 4.8
0
Vanadium (V), % 1.3 to 1.7
0

Comparable Variants