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By certification 
Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force.
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|
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 |
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 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 |
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|
 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 |
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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 |
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The main purpose of this product is military use. Its advantage is to reduce production costs on the premise of ensuring quality. Our company has a variety of process technologies to meet your requirement. We look forward to cooperation with you.
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http://www.bestestar.com/
