Tungsten Heating Element

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China Mainland
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Description

Product Detail

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

Measurements and Tolerances

Tungsten heater
Diameter	Diameter tolerance	Width	Width tolerance	Height	Height tolerance	Remark
3.0	±0.1	=650	±1	=1200	±1	Shape of bottom and design of bendingradius will be Manufactured according to customers’ requirements
4.0	±0.1	=600	±1	=1150	±1
5.0	±0.1	=550	±1	=1100	±1
6.0	±0.2	=550	±1	=1050	±1
7.0	±0.2	=500	±1	=1000	±1
8.0	±0.2	=500	±1	=950	±1
9.0	±0.2	=450	±1	=900	±1
Copper base will be Manufactured according to customers’ requirements and processed with CNC lathe

Physical and Chemical Properties
1.Purity:W=99.95%;
Density:=19.3g/cm3;
Application temperature environment:=2300°C;
2.Copper base
Purity:Cu=99.95%;
Density:=8.8g/cm3;
Application temperature environment:=1000°C;

Quantitative analysis
Element	Ni	Mg	Fe	Pb	Al	Bi	Si	MO	Ca	P
Concentration(%)	0.001	0.0005	0.002	0.0001	0.0005	0.0001	0.001	0.002	0.0005	0.001
Element	C	O	N	Sb	Cu
Concentration(%)	0.001	0.003	0.0006	0.0006	0.0006
Purity(Metallic Base) W=99.95%

Manufacture Process and Equipment

Tungsten heater
Item	Process	Equipment	Quality check point
1	Tungsten rod		1Physical and chemical properties
2	Clean		2Length, linearity, diameter, ovality
3	Check		3 Surface quality
4	Kink or pressing	Bending machine	1Measurements (length, width)
5	Calibration	Calibration mould	2Arc radius
6	Check		3Surface quality
7	Wire cutting	Wire cutting machine	1Surface quality
8	Clean		2Tolerance of measurement, arc radius according to
9	Check		tolerance stated on drawing
10	Package		3Show certificate of quality

Application
Tungsten heater components, as heat source in the sapphire growth furnace, have decisive effect for Al2O3 melt   to form turbulence and produce radial temperature gradient. Therefore, high-purity and high-density tungsten heater components with delicate manufacture and reasonable design have great significance towards quality control of sapphire crystal, energy saving and service life.
Advantage of Our Tungsen Heater
- long term stock for your ready choice
- bright and chemically cleaned surface with quality.
- uniform grain with densified microstructure ensures longer use time.
- precise machining tolerance.
-professional after-sales service

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