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Bullet Casing

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.

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Product Introduction

Compared with the traditional composite process, produced by warm pressing infiltration process has the following advantages:
A: High dimensional accuracy, which is conducive to improving the quality of bullets;
B: The composite has good consistency, so as to ensure the consistency of warhead and cartridge case;
C: One batch has large weight and can be processed continuously, which greatly improves the production efficiency of bullets;
D: It has excellent surface quality, and comparable to pure copper.

Grade	Chemical composition of steel strip
	C	Si	Mn	P	S	Ni	Cr	Cu	Als
	%	%	%	%	%	%	%	%	%
F11	≤0.11	≤0.06	0.30-0.55	≤0.02	≤0.01	≤0.3	≤0.15	≤0.2	0.02-0.1
F18	0.11-0.19	≤0.06	0.35-0.55	≤0.02	≤0.01	≤0.3	≤0.15	≤0.2	0.02-0.1
SPHC	≤0.15	≤0.05	≤0.6	≤0.035	≤0.035	-	-	-	≥0.010

Grade	Chemical composition of copper strip
	Cu+Ag (min)	P	Bi	Sb	As	Fe	Pb	S	Zn	Total impurities
	%	%	%	%	%	%	%	%	%	%
H90	88-91	-	-	-	-	≤0.1	≤0.02	-	allowance	≤0.2

Due to different follow-up processes in different countries, the requirements for cups and jacket are also different. Our company can customize molds and products according to the drawings and technical requirements provided by customers.

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