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Bronze Bro10c2 (БрОЦ10-2)

Designation

Name The value
Designation GOST Cyrillic БрО10Ц2
Designation GOST Latin BpO10Ts2
Transliteration BrO10Ts2
The chemical elements BaSn10Zn2
Name The value
Designation GOST Cyrillic БрОЦ10-2
Designation GOST Latin BpOTs10-2
Transliteration BrOTs10-2
The chemical elements BaSnZn10-2

Description

Bronze Bro10c2 used: for the manufacture of valves, anti-friction parts, bearings, friction parts and lining propeller shafts; casting parts for shipbuilding, ship engineering and instrumentation.

Note

Recommended as a substitute for brass grade Lazhmc (ЛАЖМц66−6-3−2).

Standards

Name Code Standards
Non-ferrous metals, including rare metals, and their alloys В51 GOST 613-79, OST 1 90054-72
Castings from non-ferrous metals and alloys В84 OST 5Р.9209-82

Chemical composition

Standard S P Si Ni Fe Cu As Al Zn Sn Sb Pb Bi Mg
GOST 613-79 ≤0.05 ≤0.05 ≤0.02 ≤2 ≤0.3 The rest ≤0.15 ≤0.02 1-3 9-11 ≤0.3 ≤0.5 - ≤0.02
OST 1 90054-72 - ≤0.2 ≤0.02 - ≤0.3 The rest - ≤0.02 1-3 9-11 ≤0.3 ≤0.5 ≤0.025 -
Cu is the basis.
The total proportion of impurities in the OST 1 90054-72 (elements with a content ≤) is 1.20%. Impurities that are not regulated by the table are included in the total amount of impurities.
According to GOST 613-79 and OST 5P.9209-82, the total content of impurities should be ≤ 1.00%. Impurities not regulated by the standard are included in the total amount of impurities. The sum of impurities of silicon and aluminum should not exceed 0.020%. In bronze, not intended for casting parts operating under hydraulic pressure, the manufacturer's agreement with the consumer allows the mass fraction of aluminum to 0.050% and silicon - up to 0.050%. The mass fraction of nickel due to copper and the amount of impurities is not included. The mass fraction of lead, as agreed by the manufacturer with the consumer, is allowed up to 1.50%, in which case the total amount of impurities is not included. In bronze intended for welded structures, the mass fraction of lead should be no more than 0.050%.

Mechanical characteristics

sT|s0,2, MPa σB, MPa d5, % kJ/m2, кДж/м2 Brinell hardness number, MPa
Castings are supplied without heat treatment
≥98 ≥215.5 ≥10 ≥196 ≥65
≥98 ≥225.5 ≥10 ≥196 ≥75

Description mechanical marks

Name Description
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σB Limit short-term strength
d5 Elongation after rupture
kJ/m2 Toughness

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