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EN 1.3555 Steel vs. SAE-AISI M4 Steel

Both EN 1.3555 steel and SAE-AISI M4 steel are iron alloys. They have 89% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.3555 steel and the bottom bar is SAE-AISI M4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 770
770 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1500
1610
Melting Onset (Solidus), °C 1450
1560
Specific Heat Capacity, J/kg-K 460
440
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
25
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 5.6
14
Embodied Energy, MJ/kg 81
210
Embodied Water, L/kg 90
110

Common Calculations

PREN (Pitting Resistance) 18
30
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 27
26 to 72
Strength to Weight: Bending, points 23
23 to 45
Thermal Shock Resistance, points 22
24 to 68

Alloy Composition

Carbon (C), % 0.1 to 0.15
1.3 to 1.4
Chromium (Cr), % 3.9 to 4.3
3.8 to 4.8
Copper (Cu), % 0 to 0.1
0 to 0.25
Iron (Fe), % 85.4 to 87.7
75.9 to 81.4
Manganese (Mn), % 0.15 to 0.35
0.15 to 0.4
Molybdenum (Mo), % 4.0 to 4.5
4.3 to 5.5
Nickel (Ni), % 3.2 to 3.6
0 to 0.3
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0.1 to 0.25
0.2 to 0.45
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 0 to 0.15
5.3 to 6.5
Vanadium (V), % 1.0 to 1.3
3.8 to 4.5