Product Details
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.
Â
|
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
|
Â
2) Chemical Composition
Â
|
Â
Grade
Â
|
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
|
Â
|
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
|
Â
3) Mechanical properties and metallographic structure
Â
|
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
|
Â
This product is used for military bullets. Our products have been widely praised after years of use in military factories at home and abroad. We will provide pre-sale, in-sale and after-sales services. Of course, we can also provide process support for your other processes.
Â
http://www.bestestar.com/
Company Profile
