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SAE-AISI M42 Steel vs. EN 1.3555 Steel

Both SAE-AISI M42 steel and EN 1.3555 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 SAE-AISI M42 steel and the bottom bar is EN 1.3555 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 78
75
Tensile Strength: Ultimate (UTS), MPa 810 to 2310
770

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1540
1500
Melting Onset (Solidus), °C 1490
1450
Specific Heat Capacity, J/kg-K 450
460
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 30
11
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 7.4
5.6
Embodied Energy, MJ/kg 100
81
Embodied Water, L/kg 140
90

Common Calculations

PREN (Pitting Resistance) 38
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 28 to 79
27
Strength to Weight: Bending, points 24 to 48
23
Thermal Shock Resistance, points 25 to 71
22

Alloy Composition

Carbon (C), % 1.1 to 1.2
0.1 to 0.15
Chromium (Cr), % 3.5 to 4.3
3.9 to 4.3
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0 to 0.1
Iron (Fe), % 76.3 to 81
85.4 to 87.7
Manganese (Mn), % 0.15 to 0.4
0.15 to 0.35
Molybdenum (Mo), % 9.0 to 10
4.0 to 4.5
Nickel (Ni), % 0 to 0.3
3.2 to 3.6
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0.15 to 0.65
0.1 to 0.25
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 1.2 to 1.9
0 to 0.15
Vanadium (V), % 1.0 to 1.4
1.0 to 1.3