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SAE-AISI M4 Steel vs. EN 1.4110 Stainless Steel

Both SAE-AISI M4 steel and EN 1.4110 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M4 steel and the bottom bar is EN 1.4110 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 770 to 2150
770 to 1720

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1610
1440
Melting Onset (Solidus), °C 1560
1400
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 25
30
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 25
8.0
Density, g/cm3 8.3
7.7
Embodied Carbon, kg CO2/kg material 14
2.3
Embodied Energy, MJ/kg 210
33
Embodied Water, L/kg 110
110

Common Calculations

PREN (Pitting Resistance) 30
16
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 72
28 to 62
Strength to Weight: Bending, points 23 to 45
24 to 41
Thermal Diffusivity, mm2/s 6.9
8.1
Thermal Shock Resistance, points 24 to 68
27 to 60

Alloy Composition

Carbon (C), % 1.3 to 1.4
0.48 to 0.6
Chromium (Cr), % 3.8 to 4.8
13 to 15
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 75.9 to 81.4
81.4 to 86
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 4.3 to 5.5
0.5 to 0.8
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.45
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 5.3 to 6.5
0
Vanadium (V), % 3.8 to 4.5
0 to 0.15

Comparable Variants