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6 YRS Baoji Shengyuan Metal Material Co.,Ltd

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Export-1@symetal.cn

+8615760973996

Product Details

Find high quality tungsten shield with competitive price here. Please rest assured to buy tungsten shield with Baoji Shengyuan Metal Material Co.,Ltd

Baoji Shengyuan Metal Material Co.,Ltd is one of the leading China tungsten shield manufacturers and suppliers, equipped with a professional factory and company, welcome to wholesale quality tungsten top shield, tungsten down shield products from us.

Measurements and Tolerances
Unit:mm

Thickness	Max diameter
2.0±0.1	660±0.2
1.0±0.08	660±0.2
0.5±0.04	660±0.2
0.3±0.03	660±0.2

Special sizes can be manufactured based on customers' requirements
Physical and Chemical Properties
Purity:Mo=99.95%;99.97%
W =99.95%;
Density:Mo=10.2g/cm3 ;
W =19.3g/cm3;
Application temperature environment:=2300°C;

Quantitative analysis
Element	Ni	Mg	Fe	Pb	Al	Bi	Si	Cd	Ca	P
Concentration(%)	0.003	0.002	0.005	0.0001	0.002	0.0001	0.002	0.0001	0.002	0.001
Element	C	O	N	Sb	Sn
Concentration(%)	0.01	0.003	0.003	0.0005	0.0001
Purity(Metallic Base) Mo=99.95%
ElementNiMgFePbAlBiSiCdPConcentration(%)0.0014<0.00010.0047<0.00010.0002<0.0001<0.001<0.001<0.001ElementCNSbSnCu Concentration(%)0.00210.03<0.0001<0.0001<0.0005 Purity(Metallic Base) Mo=99.97

Manufacture Process and Equipment

Item	Process	Equipment	Quality check point
1	Mo sheet or W sheet		1Physical and chemical properties
2	Check		2 Measurements (length, width, and thickness ) 3Surface quality
3	Wire cutting	Wire cutting machine	1 Surface clearness
4	Machining	CNC milling machine	2 Tolerance according to drawing
5	Clean	Bending machine	3 No pollutant on surface, and no crack
6	Check	Drilling press, Lathe
7	Assembly	Assembly platform	1 Surface clearness
8	Clean		2 Solid structure and no loose
9	Check		3 Assembly tolerance
10	Package		4 Show certificate of quality

Application
As the heat-shield parts in the sapphire growth furnace, the most decisive function of upper and bottom cover plate is to prevent and reflect the heat in the furnace. Heat-shield parts with high-density, exact-measurement, smooth-surface, convenient-assembly and reasonable-design has great significance in improving the crystal-pulling.

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