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Bronze Brof7-0,2

Bronze BrMcO7-3 Bronze БрОФ2-0,25 Bronze БрОФ4-0,25 Bronze БрОФ6,5-0,15 Bronze БрОФ6,5-0,4 Bronze БрОФ7-0,2 Bronze БрОФ8-0,3 Bronze БрОЦ4-3 Bronze БрОЦС4-4-2,5 Bronze БрОЦС4-4-4 Bronze БрХ0,3О0,3Цр0,1 (БрХОЦр0,3-0,3-0,1)

Designation

Name The value
Designation GOST Cyrillic БрОФ7-0,2
Designation GOST Latin BpOF7-0,2
Transliteration BrOF7-02
The chemical elements BaSnP7-0,2

Description

Bronze Brof7−0,2 is used: for the manufacture of bars and strips used to manufacture a variety of parts; gears, sprockets; bushings and spacers of heavily loaded machines.

Standards

Name Code Standards
Bars В55 GOST 10025-78
Non-ferrous metals, including rare metals, and their alloys В51 GOST 28873-90, GOST 5017-2006

Chemical composition

Standard S P Si Ni Fe Cu Al Zn Sn Sb Pb Bi Mg
GOST 5017-2006 ≤0.007 0.1-0.25 ≤0.005 ≤0.2 ≤0.05 The rest ≤0.002 ≤0.3 7-8 ≤0.002 ≤0.02 ≤0.002 ≤0.007
Cu is the basis.
According to GOST 5017-2006, the total content of other impurities (not specified in the chemical composition) should be ≤ 0.10%.

Mechanical characteristics

σB, MPa d10 Brinell hardness number, MPa
Bars extruded round (40-95 mm) as supplied according to GOST 10025-78
≥362.6 ≥55 ≥70
Round bars, drawn, or cold-rolled (16-40 mm) as supplied according to GOST 10025-78
≥392 ≥40 ≥80
≥568.4 ≥6 ≥180
≥441 ≥15 ≥130
≥519.4 ≥10 ≥150

Description mechanical marks

Name Description
σB Limit short-term strength
d10 Elongation after rupture

Physical characteristics

Temperature Е, ГПа r, кг/м3 l, Вт/(м · °С) R, НОм · м
20 115 8600 419 170

A description of the physical symbols

Name Description
l Coefficient of thermal conductivity

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