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LK80-3 - bar, tape, wire

LK80-3 - bar, tape, wire

Supplier — AvekGlob Company — offers wire and tape made from brass LK80−3 at an affordable price from the manufacturer. The supplier guarantees the timely delivery of products to any address specified by the consumer /

Technical specifications

Brass grade LK80−3 refers to a deformable single-phase copper-zinc alloys containing an increased amount of silicon. The material is characterized by high strength and moderately high corrosion resistance in water and air. The conductivity of the material is much less than that of unalloyed copper. The closest foreign analogues of the alloy are deformable siliceous brass C69400 — C69710, produced in accordance with the UNS specification. The initial assortment for the production of rolling profiles are castings.

Castings made of silicone brass show moderate strength and very good resistance to water and atmosphere. The microstructure of forged materials consists of equiaxial, twin-grain grains of a solid solution of alpha-copper.

Urgency of application

Silicon brass grade LK80−3 is used in applications such as bearings, gears, pumps and hydraulic valve working parts.

Chemical composition

It is shown in the table (numeric data — in percent). The norms correspond to the technical requirements of GOST 15527−70 (in newer versions of the standard this material is not available):

Fe Si Mn P Al Cu Pb Zn Sb Bi Sn Impurities
up to 0.6 2.5 — 4 up to 0.5 up to 0.02 up to 0.1 79 — 81 up to 0.1 13.5 — 18.5 up to 0.05 up to 0.003 up to 0.2 only 1.5

Physical and mechanical properties

  • density, kg / m 3 — 8200;
  • melting point, 0 C to 890;
  • coefficient of thermal expansion in the temperature range 20… 100 0 С, μm / deg — 17;
  • coefficient of thermal conductivity at room temperature, W / megrade — 87.9;
  • Brinell hardness, HB — 95… 190 (lower values for soft and pressed brass);
  • limit of temporary resistance, MPa — 260… 650 (lower values — for soft brass);
  • yield strength, MPa — 120… 170;
  • modulus of elasticity, GPa — 104;
  • permissible tensile elongation,% — 55… 5 (respectively, for soft and hard brass).

Assortment and application features

Brass tape and wire from the material in question are produced in a wide range of sizes and profiles. Brass grades of LC 80−3 determine GOST 10666−70.

Mechanical machinability of brass of the material is satisfactory, the temperature range of forging is 650… 700 0 С.

Supplier — the company AvekGlob — offers to purchase a tape or wire, which are made of brass grade LK80−3, in a wide range of thickness and diameter of the cross section. Products can be bought at a price formed on the basis of European and world standards of production. Implementation is possible in bulk and retail, for regular customers, a flexible system of discounts operates.