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C47940 Brass vs. EN 1.4948 Stainless Steel

C47940 brass belongs to the copper alloys classification, while EN 1.4948 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C47940 brass and the bottom bar is EN 1.4948 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 14 to 34
48
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
77
Shear Strength, MPa 250 to 310
430
Tensile Strength: Ultimate (UTS), MPa 380 to 520
610
Tensile Strength: Yield (Proof), MPa 160 to 390
210

Thermal Properties

Latent Heat of Fusion, J/g 170
290
Maximum Temperature: Mechanical, °C 130
930
Melting Completion (Liquidus), °C 850
1430
Melting Onset (Solidus), °C 800
1380
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 110
17
Thermal Expansion, µm/m-K 20
16

Otherwise Unclassified Properties

Base Metal Price, % relative 25
15
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.0
Embodied Energy, MJ/kg 47
43
Embodied Water, L/kg 330
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 100
230
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 740
110
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 13 to 17
22
Strength to Weight: Bending, points 14 to 17
21
Thermal Diffusivity, mm2/s 36
4.5
Thermal Shock Resistance, points 13 to 17
14

Alloy Composition

Carbon (C), % 0
0.040 to 0.080
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 63 to 66
0
Iron (Fe), % 0.1 to 1.0
66.8 to 75
Lead (Pb), % 1.0 to 2.0
0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0.1 to 0.5
8.0 to 11
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 1.2 to 2.0
0
Zinc (Zn), % 28.1 to 34.6
0
Residuals, % 0 to 0.4
0