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SAE-AISI M43 Steel vs. EN 1.7077 Steel

Both SAE-AISI M43 steel and EN 1.7077 steel are iron alloys. They have 75% of their average alloy composition in common. There are 21 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 M43 steel and the bottom bar is EN 1.7077 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 810 to 2290
490 to 1750

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1550
1460
Melting Onset (Solidus), °C 1500
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 19
45
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 33
2.3
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 8.5
1.4
Embodied Energy, MJ/kg 120
19
Embodied Water, L/kg 140
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 77
17 to 62
Strength to Weight: Bending, points 24 to 47
18 to 41
Thermal Diffusivity, mm2/s 5.3
12
Thermal Shock Resistance, points 25 to 71
14 to 51

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 1.2 to 1.3
0.34 to 0.38
Chromium (Cr), % 3.5 to 4.3
0.9 to 1.2
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 70.8 to 76
96.8 to 98.1
Manganese (Mn), % 0.2 to 0.4
0.7 to 1.0
Molybdenum (Mo), % 7.5 to 8.5
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.15 to 0.65
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 2.3 to 3.0
0
Vanadium (V), % 1.5 to 1.8
0

Comparable Variants