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Low Thermal Expansion Tungsten Carbide Flat Stock Heat Resistance

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Low Thermal Expansion Tungsten Carbide Flat Stock Heat Resistance

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Model Number :	Tungsten Rod BarTungsten Flat Bar
Price :	Negitionable
Payment Terms :	L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability :	10000sets/month
Delivery Time :	30 days after receiving down payment

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Low Thermal Expansion Tungsten Carbide Flat Stock Heat Resistance

Low Thermal Expansion Tungsten Flat Bar Heat Resistance

Main Characteristics:

High melting point (3410°C)

Low thermal expansion

High electrical resistance

Low vapor pressure

Good thermal conductivity

High density

Details

1. Material: tungsten
2. Purity:>=99.95%
3. Dia: 0.8mm Min

4. Surface: black, sintering, polishing,machining

Chemical Composition

Element	Mo	Mg	Fe	C	Al	N	Si	Ca	Ni	C
Concentration(%)	0.01	0.003	0.005	0.005	0.002	0.003	0.005	0.005	0.003	0.008
Purity(Metallic Base) W≥99.95%

Parameters

wholesale customized 99.95 % pure tungsten bars

Machining	Diameter	Diameter tolerance %	Max length, mm
Forging, Rotary swaging	1.6-20	±0.1	2000
	20-30	±0.1	1200
	30-60	±0.1	1000
	60-70	±0.2	800

Note: Your special request for wholesale customized 99.95 % pure tungsten bars will be available.

Atomic number	74
CAS number	7440-33-7
Atomic mass	183.84 [g/mol]
Melting point	3420 °C
Boiling point	5555 °C
Density at 20 °C	19.25 [g/cm3]
Crystal structure	Body-centered cubic
Coefficient of linear thermal expansion at 20 °C	4.410-6[m/(mK)]
Thermal conductivity at 20 °C	164 [W/(mK)]
Specific heat at 20 °C	0.13 [J/(gK)]
Electrical conductivity at 20 °C	18.2106[S/m]
Specific electrical resistance at 20 °C	0.055 [(mm2)/m]

Applications

Parts of the electric light source and electron tube
Heat elements of high-temperature furnace
Structures of high-temperature furnace
Contact of electrical appliance
Rare earth industry
Vacuum coating industry

FAQ

1. Are you a trading company or manufacturer?

We are a factory, producing Mo and tungsten products.

2. How can we guarantee quality?

Always a pre-production sample before mass production; Always final Inspection before shipment

3. How long is your delivery time?

Generally, it is 3~5 days if the goods are in stock; or it is 7-25 days if the goods are not in stock, depending on order quantity.

4. Do you provide samples?

Is it free or extra? Gen,erally we don't provide free samples. But we can the educt sample cost from your
bulk orders.

5. What are your payment terms and method?

Payment<= 1000 USD, 100% in advance. Payment>= 1000 USD, 30% T/T in advance, balance before
shipment. We accept T/T, L/C, Alipay, PayPal, Western Union Wechat, and so on.

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