MakeItFrom.com
Menu (ESC)

SAE-AISI M4 Steel vs. C91100 Bronze

SAE-AISI M4 steel belongs to the iron alloys classification, while C91100 bronze belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M4 steel and the bottom bar is C91100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 76
39
Tensile Strength: Ultimate (UTS), MPa 770 to 2150
240

Thermal Properties

Latent Heat of Fusion, J/g 260
180
Melting Completion (Liquidus), °C 1610
950
Melting Onset (Solidus), °C 1560
820
Specific Heat Capacity, J/kg-K 440
360
Thermal Conductivity, W/m-K 25
63
Thermal Expansion, µm/m-K 12
18

Otherwise Unclassified Properties

Base Metal Price, % relative 25
38
Density, g/cm3 8.3
8.7
Embodied Carbon, kg CO2/kg material 14
4.2
Embodied Energy, MJ/kg 210
69
Embodied Water, L/kg 110
440

Common Calculations

Stiffness to Weight: Axial, points 13
6.7
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 26 to 72
7.7
Strength to Weight: Bending, points 23 to 45
9.9
Thermal Diffusivity, mm2/s 6.9
20
Thermal Shock Resistance, points 24 to 68
9.1

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 1.3 to 1.4
0
Chromium (Cr), % 3.8 to 4.8
0
Copper (Cu), % 0 to 0.25
82 to 85
Iron (Fe), % 75.9 to 81.4
0 to 0.25
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 4.3 to 5.5
0
Nickel (Ni), % 0 to 0.3
0 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 1.0
Silicon (Si), % 0.2 to 0.45
0 to 0.0050
Sulfur (S), % 0 to 0.030
0 to 0.050
Tin (Sn), % 0
15 to 17
Tungsten (W), % 5.3 to 6.5
0
Vanadium (V), % 3.8 to 4.5
0
Zinc (Zn), % 0
0 to 0.25