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SAE-AISI M3 Class 2 Steel vs. EN 1.7375 Steel

Both SAE-AISI M3 class 2 steel and EN 1.7375 steel are iron alloys. They have 83% 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 1.7375 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 77
74
Tensile Strength: Ultimate (UTS), MPa 770 to 2210
620

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1620
1470
Melting Onset (Solidus), °C 1570
1430
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 26
39
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
3.9
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 12
1.8
Embodied Energy, MJ/kg 180
23
Embodied Water, L/kg 110
59

Common Calculations

PREN (Pitting Resistance) 33
5.6
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26 to 74
22
Strength to Weight: Bending, points 22 to 45
20
Thermal Diffusivity, mm2/s 7.2
11
Thermal Shock Resistance, points 24 to 69
18

Alloy Composition

Aluminum (Al), % 0
0.010 to 0.040
Carbon (C), % 1.2 to 1.3
0.1 to 0.15
Chromium (Cr), % 3.8 to 4.5
2.0 to 2.5
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 75.8 to 82.3
94.5 to 96.7
Manganese (Mn), % 0.15 to 0.4
0.3 to 0.8
Molybdenum (Mo), % 4.8 to 6.5
0.9 to 1.1
Nickel (Ni), % 0 to 0.3
0 to 0.3
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0.2 to 0.45
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 5.0 to 6.8
0
Vanadium (V), % 2.8 to 3.8
0