Copper-steel composite material temperature and
pressure-penetration composite technology is a new technology
emerging in the field of domestic metal composite strip materials,
in addition to the high strength, good heat resistance, thermal
stability, plasticity and corrosion resistance common to composite
materials In addition to the characteristics of resistance and
abrasion resistance, in the field of bullet manufacturing,
there are also the advantages of high yield and high dimensional
accuracy, which are beneficial to improve the quality of bullets;
the composite material has good consistency, thereby ensuring the
consistency of the bullet and the shell; One batch is heavy and can
be processed continuously, which greatly improves the production
efficiency of bullets. The surface quality is excellent, comparable
to pure copper; the brass on the surface of the copper-steel
composite material also has a lubricating effect, which can reduce
the impact on the barrel when shooting The wear and tear of the
barrel and rim. It has been widely used such as bullet shells
and detonators. The sales network of copper-steel composite
materials has covered the world and won unanimous praise from many
customers. The company produces and sells cups of various calibres
and raw materials. According to the raw material grades, it can be
divided into H90/H70 brass cups, F11/F18 copper clad steel cups,
F11/F18 steel cups, etc. According to the caliber of the bomb, it
can be divided into 5.56mm, 7.62mm, 9mm, 12.7mm, 14.5mm and so on.
Due to the different bomb-making processes in various countries,
the requirements for the same caliber of tongs are also different,
the company can customize molds and products according to the
drawings and technical requirements provided by customers.
Product introductioni).Chemical
Composition Grade Chemical composition of steel stripCSiMnPSNiCrCuAls%%%%%%%%%F11≤0.11≤0.060.30-0.55≤0.02≤0.01≤0.3≤0.15≤0.20.02-0.1F180.11-0.19≤0.060.35-0.55≤0.02≤0.01≤0.3≤0.15≤0.20.02-0.1SPHC≤0.15≤0.05≤0.6≤0.035≤0.035---≥0.010
Grade Chemical composition of copper stripCu+Ag(min)PBiSbAsFePbSZnTotal impurities%%%%%%%%%%H9088-91----≤0.1≤0.02-allowance≤0.2ii)7.62mm
copper clad steel cupsiii)12.7/14.5mm copper clad steel cups
iv)Other productsCompany panorama /* January 22, 2024
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