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EN 1.0303 Steel vs. SAE-AISI M1 Steel

Both EN 1.0303 steel and SAE-AISI M1 steel are iron alloys. They have 83% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is EN 1.0303 steel and the bottom bar is SAE-AISI M1 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 73
77
Tensile Strength: Ultimate (UTS), MPa 290 to 410
730 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1470
1560
Melting Onset (Solidus), °C 1430
1510
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 53
29
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
18
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 1.4
7.0
Embodied Energy, MJ/kg 18
99
Embodied Water, L/kg 46
98

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 10 to 15
25 to 73
Strength to Weight: Bending, points 12 to 16
22 to 45
Thermal Diffusivity, mm2/s 14
8.0
Thermal Shock Resistance, points 9.2 to 13
23 to 66

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0
Carbon (C), % 0.020 to 0.060
0.78 to 0.88
Chromium (Cr), % 0
3.5 to 4.0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 99.335 to 99.71
81 to 84.8
Manganese (Mn), % 0.25 to 0.4
0.15 to 0.4
Molybdenum (Mo), % 0
8.2 to 9.2
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.1
0.2 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0
1.0 to 1.4