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SAE-AISI M3 Class 1 Steel vs. EN 1.7715 Steel

Both SAE-AISI M3 class 1 steel and EN 1.7715 steel are iron alloys. They have 82% 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 1 steel and the bottom bar is EN 1.7715 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
73
Tensile Strength: Ultimate (UTS), MPa 770 to 2150
540

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1610
1470
Melting Onset (Solidus), °C 1570
1430
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 26
40
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.9
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 10
2.2
Embodied Energy, MJ/kg 150
30
Embodied Water, L/kg 100
52

Common Calculations

PREN (Pitting Resistance) 33
2.4
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26 to 72
19
Strength to Weight: Bending, points 22 to 44
19
Thermal Diffusivity, mm2/s 7.2
11
Thermal Shock Resistance, points 24 to 67
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 1.0 to 1.1
0.1 to 0.15
Chromium (Cr), % 3.8 to 4.5
0.3 to 0.6
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 76.9 to 82.9
96.5 to 98.3
Manganese (Mn), % 0.15 to 0.4
0.4 to 0.7
Molybdenum (Mo), % 4.8 to 6.5
0.5 to 0.7
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.2 to 0.45
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 5.0 to 6.8
0
Vanadium (V), % 2.3 to 2.8
0.22 to 0.28