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ASTM A372 Grade M Steel vs. C90400 Bronze

ASTM A372 grade M steel belongs to the iron alloys classification, while C90400 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A372 grade M steel and the bottom bar is C90400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240 to 280
77
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 18 to 21
24
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
41
Tensile Strength: Ultimate (UTS), MPa 810 to 910
310
Tensile Strength: Yield (Proof), MPa 660 to 770
180

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Maximum Temperature: Mechanical, °C 450
170
Melting Completion (Liquidus), °C 1460
990
Melting Onset (Solidus), °C 1420
850
Specific Heat Capacity, J/kg-K 470
370
Thermal Conductivity, W/m-K 46
75
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
12
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
12

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
34
Density, g/cm3 7.9
8.7
Embodied Carbon, kg CO2/kg material 2.0
3.5
Embodied Energy, MJ/kg 27
56
Embodied Water, L/kg 61
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
65
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1580
150
Stiffness to Weight: Axial, points 13
7.0
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 29 to 32
10
Strength to Weight: Bending, points 24 to 27
12
Thermal Diffusivity, mm2/s 12
23
Thermal Shock Resistance, points 24 to 27
11

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.020
Boron (B), % 0
0 to 0.1
Carbon (C), % 0 to 0.23
0
Chromium (Cr), % 1.5 to 2.0
0
Copper (Cu), % 0
86 to 89
Iron (Fe), % 92.5 to 95.1
0 to 0.4
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 0.2 to 0.4
0 to 0.010
Molybdenum (Mo), % 0.4 to 0.6
0
Nickel (Ni), % 2.8 to 3.9
0 to 1.0
Phosphorus (P), % 0 to 0.015
0 to 0.050
Silicon (Si), % 0 to 0.3
0 to 0.0050
Sulfur (S), % 0 to 0.010
0.1 to 0.65
Tin (Sn), % 0
7.5 to 8.5
Vanadium (V), % 0 to 0.080
0
Zinc (Zn), % 0
1.0 to 5.0
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.7