Bronze circle

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Bronze circle has a profile of circular cross-section. Made from tin or tin bronze. Properties depend on material condition and method of production. GOST 1628−78 regulates the production of round bronze tin -: Bramc9−2, Brazhmc10−3-1,5, Brkmc3−1, Brazhn10−4-4 and Brazh9−4. Tin-zinc round БрОЦС5−5-5 and Broc4−3 (GOST 6511−60). Tin-phosphorous round brands БрОФ10−1 and Brof7−0,2 (GOST 10025−78). The round of beryllium bronze (GOST 15835−70). The range of chromium copper (TU 48−21−408−86).


According to the method of production: hot — extruded (P), Dom (G); round steel bars or cold-drawn (D). Accuracy of manufacture: high (), high (P) and normal (N) accuracy. By state of material: semi-solid (P); mild (M); solid (T); very hard (About). The shape of section: round, hexagonal, square. Length: measuring length (MD); random length (ND); multiple dimensional length (KD); coils (BT). Dimensional bronze circles increased accuracy in length (MP); circles for processing on the machines (AB).


GOST 18175−78 regulates the chemical composition of wrought alloys without tin; GOST 5017−74 — tin. Sampling to determine the chemical. composition normalizes GOST 24231−80. Quality circle has no delaminations, cavities, foreign inclusions. On the surface slight scratches and traces of broach.

Material Mark Prefabricated Cross-section mm The presence of the kg Price
BRONZE Braj 9−4 round 20−150mm 1120 115
-«- Brag 9−3 20−160mm 89 110
-«- Otss 5−5-5 30−120mm 280 90
BRONZE Brb2 tape 0,4x250 29 500
round 20−50mm 230 500
sheet 2 185 500
BRONZE Brazhnmc9−4-4−1 round 20 45 300
50 77 300
70 85 300
-«- Bramc9−2 -«- 70 175 280
BRONZE Brazhn10−4-4 -«- 40 165 290
round 90 225 290
BRONZE Broth round 40 55 300


Bronze range combines strength, flexibility, ductility, malleability. Responds well to machining: cutting, drilling, stamping, milling. After processing on lathes and milling machines the surface is perfectly flat and smooth. Tin bronze have minimal shrinkage during casting. Bronze aluminum well handled pressure. They are inexpensive, distinguished corrosion resistance and high specific strength, and silicon bronze. Hardened by heat treatment. Beryllium bronze possess high elasticity, corrosion resistance, impact spark. A particularly strong circle of beryllium bronze Brb2


Circles bronze used in construction, electrical engineering, instrument making. Serve as blanks for the production of bushings, nuts, gears, electrodes, shafts, spindles, valves and parts of valves, parts and structural elements for transport engineering (especially shipbuilding, where important corrosion resistance).


Labeling of bronze begins with the letters «Br», then write capital letters of the basic alloying elements and numbers — their percentage in the alloy. Get acquainted with the range, specify main features, advantages, the use parameters products you can on our website. In the company «_" presents an unlimited range of non-ferrous metal. Carried out both wholesale and retail deliveries.

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Quality manufacturer with constant control of observance of requirements of technological discipline, absolute conformity of the bronze circle all the items of the normative documentation, acceptable cost products determines the popularity of such semi-finished products for the needs of modern production. Our company represents the entire product range of such products and provides constant attention to the needs of each customer, regardless of order volume.