2.0280 - CuZn33 - C26800

International Equivalent

Mark Analogue W. Nr. Aisi Uns En Order
L68 2.0280 CuZn33 Delivery from the stock, in stock

Technical Characteristics

It is a simple (low alloy) brass alloy. It deforms well when cold. Specific weight 8.5 g/cm3.

Percentage composition

Fe Ni Al Cu Pb Sn Zn Impurities
≤0.05 ≤0.3 ≤0.02 67- 70 ≤0.05 ≤0.1 Residue ≤0.1

Mechanical properties (temperature 20°C)

Range s in d5 Hardness HB 10 -1
- MPa % MPa
Soft pipe 290
Soft wire 290-370 20-40 70
Hard wire 540-930 125
Cold rolled hard strip 430-540 10 125
Cold rolled strip 290-340 50
Cold-rolled steel strip, soft 290-370 42 70

Physical properties of material

T E 10- 5 a 10 6 l r C R 10 9
Degree MPa 1/Gradus W/(m-degree) kg/m3 J/(kg-degree) Ohm-m
20 1.12 113 8500 72
100 19 376.8

sv - Tensile strength.

d5 - Tensile elongation at break.

HB - Brinell hardness

E - Modulus of elasticity of the first kind [MPa]

C - Specific heat capacity

Heat treatment

The melting temperature is 938 °C. Hot work temperature 700 - 850 °C. Annealing temperature 550 - 650 °C.

Cold working

Turning, milling, grinding, drilling.


Stored in covered or roofed warehouses, adequately protected from mechanical and other types of damage.


Deep-drawn components, nets, radiator bands, heat exchanger tubes.


Austria England Germany EU Italy GOST USA Czech Republic Japan
CuZn33 CZ107 CuZn33 CuZn33 P-CuZn33 Л68 C26800 423212 C2680
2.0280 CW506L P-OT67


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