5.56mm Bullet Cups
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5.56mm Bullet Cups

5.56mm Bullet Cups

9mm 、5.56mm brass cups
Production method: stamping and forming
Specifications: Design and manufacture molds according to customer drawings
Copper grade: H90/H70

Product Introduction

The company has compound rolling mill, 20 high finishing mill, 950 six high finishing mill, 23 high stretch bending straightener, bell type annealing furnace, continuous annealing furnace, pickling line and other production equipment, and has obtained a number of technical achievements and invention patents. The company has set up an enterprise technology research and development center, which has passed the gjb9001c-2017 weapons and equipment quality management system certificate, ISO9001 quality management system certification, production standardization enterprise, implemented 6S management, and adhered to the principle of science and technology and scientific management; We firmly adhere to the business philosophy of taking customers as the base point, quality as the center and price as the link, and are willing to go hand in hand with peers at home and abroad to create brilliance.

 

9mm 、5.56mm brass cups
Production method: stamping and forming
Specifications: Design and manufacture molds according to customer drawings
Copper grade: H90/H70

 

 

Grade

 

Chemical composition of copper strip

Cu+Ag

(min)

P

Bi

Sb

As

Fe

Pb

Ni

Zn

Total impurities

%

%

%

%

%

%

%

%

%

%

H90

89-91

 

 

 

 

≤0.05

≤0.05

 

allowance

≤0.3

H70

68.5-71.5

-

-

-

-

≤0.1

≤0.03

≤0.5

allowance

≤0.3

 

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