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Gilding Metal Clad Steel
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price: Negotiable
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Delivery term: The date of payment from buyers deliver within days
seat: Zhejiang
Validity to: Long-term effective
Last update: 2022-09-15 21:43
Browse the number: 130
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Company Profile
 
 
Product details
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 cups are also different, the company can customize molds and products according to the drawings and technical requirements provided by customers.

 

1) Military Products

 

Standard size

Brass-steel-brass

Brass-steel-brass

Brass-steel-brass

Strip width

78/87/91/114/135139.5mm

124/135/137/140/155mm

Strip thickness

1.7-3.6mm

0.5-1.37mm

0.05-4.0 mm

Coating thickness

3.4%-4%

3.4%-4%

3%-15 %

Base material

F18 steel

F11 steel

SPHC steel

Cladding material

H90 copper

H90 copper

H90 copper

Delivery form

Coil / Plate

Coil / Plate

Coil / Plate

 

2) Chemical Composition

 

 

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

 

3) Mechanical properties and metallographic structure

 

Material

tensile strength(Mpa)

Elongation(%)

Grain size

Pearlite

Non-metallic inclusionsA/B/C/D

Annealed

half hard

Annealed

half hard

H90/SPHC/H90

290~355

360~455

≥36%

≥8%

7-10

1-5

≤2.5

H90/F11/H90

265~365

-

≥43%

-

7-10

1-5

≤2.5

H90/F18/H90

305~395

-

≥37%

-

7-10

2-6

≤2.5

 

http://www.bestestar.com/

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