GOST 17711-93. Copper-zinc alloys (brass) foundry. Grades

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Chemical composition of brasses

For domestic grades, it is listed in the tables. Table 1 shows the mass fraction, %, of the main components:

Brass Alloy grade Copper Aluminium Iron Manganese Silicon Tin Lead Zinc
Cu Al Fe Mn Si Sn Pb Zn
Lead LC40C 57,0 - 61,0 - - - - - 0,8 - 2,0 Residue
Lead LC40SD 58,0 - 61,0 - - - - - 0,8 - 2,0 --- "---
Manganese ЛЦ40Мц1,5 57,0 - 60,0 - - 1,0 - 2,0 - - - --- "---
Manganese-iron LC40MzzZZh 53,0 - 58,0 - 0,5 - 1,5 3,0 - 4,0 - - - --- "---
Manganese-aluminum LC40Mzza 55,0 - 58,5 0,5 - 1,5 - 2,5 - 3,5 - - - Residue
Manganese-lead ЛЦ38Мц2С2 57,0 - 60,0 - - 1,5 - 2,5 - - 1,5 - 2,5 --- "---
Manganese-lead-silicon ЛЦ37Мц2С2К 57,0 - 60,0 - - 1,5 - 2,5 0.5 - 1,3 - 1,5 - 3,0 --- "---
Aluminum LCZOAZ 66,0 - 68,0 2,0 - 3,0 - - - - - --- "---
Tin-lead ЛЦ25С2 70,0 - 75,0 - - - - 0,5 - 1,5 1,0 - 3,0 Residue
Aluminum-iron-manganese LC23A6ZMz2 64,0 - 68,0 4,0 - 7,0 2,0 - 4,0 1,5 - 3,0 - - - --- "---
Siliceous ЛЦ16К4 78,0 - 81,0 - - - 3,0 - 4,5 - - --- "---
Siliceous-lead ЛЦ14КЗЗЗ 77,0 - 81,0 - - - 2,5 - 4,5 - 2,0 - 4,0 --- "---

Table 2 shows the mass fraction of impurities in %, not exceeding

Brass Mark of alloy Lead Creminium Tin Antimony Mar-manganese Iron Alu-minium Phosphorus Nickel Total
Pb Si Sn Sb Mn Fe Al P Ni
Lead LC40C - 0,3 0,5 0,05 0,5 0,8 0,5 - 1,0 2,0
Lead LC40SD - 0,2 0,3, 0,05 0,2 0,5 0,2 - 1,0 1,5
Manganese ЛЦ40Мц1,5 0,7 0,1 0,5 0,1 - 1,5 0,03 1,0 2,0
Manganese-iron LC40MzzZZh 0,5 0,2 0,5 0,1 - - 0,6 0,05 0,5 1,7
Manganese-aluminum LC40Mzza 0,2 0,2 0,5 0,05 - 1,0 - 0,03 1.0 1,5
Manganese-lead ЛЦ38Мц2С2 - 0,4 0,5 0,1 - 0,8 0,8 0,05 1.0 2,2
Manganese-lead-silicon ЛЦ37Мц2С2К As 0,05 Bi 0.01 0.6 0,1 - 0,7 0,7 0,1 1,0 1,7
Aluminum LC30AZ 0,7 0,3 0,7 0,1 0,5 0.8 - 0,05 0,3 2,6
Tin-lead ЛЦ25С2 - 0,5 - 0,2 0,5 0,7 0.3 - 1,0 1,5
Aluminum-iron-manganese LC23A6ZMz2 0,7 0,3 0,7 0,1 - - - - 1,0 1.8
Siliceous LC16K4 0,5 - 0,3 0,1 0,8 0,6 0,04 0,1 0,2 2.5
Siliceous-lead LC14KZSZ - - 0,3 0,1 1,0 0,6 0,3 - 0,2 2,3
Supplier Evek GmbH offers to buy copper-zinc alloys, foundry brass of domestic and foreign production at an affordable price in a wide range. Provide product delivery anywhere in the continent. Price is optimum.

Application

Production of complex-configuration parts of devices and fittings, working at the temperature up to 250 °C and exposed to hydro-air tests; parts, working in sea-water environment, under the condition of protection (gears, details of friction units, etc.).

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Are you interested in GOST 17711-93? Supplier Evek GmbH offers to buy copper-zinc alloys, foundry brass at manufacturer's price. We provide product delivery anywhere in the continent. The price is optimal. We invite you to partner cooperation.