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AISI 302B Stainless Steel vs. C47940 Brass

AISI 302B stainless steel belongs to the iron alloys classification, while C47940 brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AISI 302B stainless steel and the bottom bar is C47940 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 45
14 to 34
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
40
Shear Strength, MPa 410
250 to 310
Tensile Strength: Ultimate (UTS), MPa 580
380 to 520
Tensile Strength: Yield (Proof), MPa 230
160 to 390

Thermal Properties

Latent Heat of Fusion, J/g 320
170
Maximum Temperature: Mechanical, °C 930
130
Melting Completion (Liquidus), °C 1400
850
Melting Onset (Solidus), °C 1360
800
Specific Heat Capacity, J/kg-K 490
380
Thermal Conductivity, W/m-K 17
110
Thermal Expansion, µm/m-K 16
20

Otherwise Unclassified Properties

Base Metal Price, % relative 15
25
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 43
47
Embodied Water, L/kg 140
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
68 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 140
120 to 740
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 21
13 to 17
Strength to Weight: Bending, points 20
14 to 17
Thermal Diffusivity, mm2/s 4.4
36
Thermal Shock Resistance, points 13
13 to 17

Alloy Composition

Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
63 to 66
Iron (Fe), % 65.7 to 73
0.1 to 1.0
Lead (Pb), % 0
1.0 to 2.0
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 8.0 to 10
0.1 to 0.5
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 2.0 to 3.0
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
1.2 to 2.0
Zinc (Zn), % 0
28.1 to 34.6
Residuals, % 0
0 to 0.4