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AISI 334 Stainless Steel vs. C87800 Brass

AISI 334 stainless steel belongs to the iron alloys classification, while C87800 brass belongs to the copper alloys. There are 25 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 AISI 334 stainless steel and the bottom bar is C87800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 34
25
Poisson's Ratio 0.28
0.33
Rockwell B Hardness 79
86
Shear Modulus, GPa 77
42
Tensile Strength: Ultimate (UTS), MPa 540
590
Tensile Strength: Yield (Proof), MPa 190
350

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 1000
170
Melting Completion (Liquidus), °C 1410
920
Melting Onset (Solidus), °C 1370
820
Specific Heat Capacity, J/kg-K 480
410
Thermal Expansion, µm/m-K 16
18

Otherwise Unclassified Properties

Base Metal Price, % relative 22
27
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 4.1
2.7
Embodied Energy, MJ/kg 59
44
Embodied Water, L/kg 170
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
130
Resilience: Unit (Modulus of Resilience), kJ/m3 96
540
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 19
20
Strength to Weight: Bending, points 19
19
Thermal Shock Resistance, points 12
21

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 0
80 to 84.2
Iron (Fe), % 55.7 to 62.7
0 to 0.15
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 0
0 to 0.010
Manganese (Mn), % 0 to 1.0
0 to 0.15
Nickel (Ni), % 19 to 21
0 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0 to 1.0
3.8 to 4.2
Sulfur (S), % 0 to 0.015
0 to 0.050
Tin (Sn), % 0
0 to 0.25
Titanium (Ti), % 0.15 to 0.6
0
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.5