kovar wire for sell
kovar wire for sell

kovar wire for sell

USD $25.00 - $39.00 /Kilogram

Min.Order:1 Kilogram

Supply Ability:
100 Ton / Tons per Month
Port:
xi'an
Payment Terms:
T/T

Quick Details View All >

Place of Origin:
Shaanxi, China
Type:
Nickel Strip
Application:
Glass-to-metal seal
Grade:
Nickel Base Alloy
Ni (Min):
29%
Powder Or Not:
Not Powder

Xi'an Gangyan Special Alloy Co., Ltd.

Business Type: Manufacturer,Trading Company
Xianyang Shaanxi China
Main Products: Kovar alloy ,Invar 36 ,Permalloy ,invar ,Hiperco 50A

Product Details

        Glass To Metal Seals ---KOVAR ALLOY

 

Kovar Alloy, also know as ASTM F-15, NILO K, Pernifer 2918, Rodar, and Dilvar P1 is a controlled expansion alloy. It is a Nickel Iron alloy with 29% Nickel, 17% Cobalt and the remaining balance is Iron. The expansion characteristics of Kovar match both borosilicate (or Pyrex) glasses and alumina ceramics, making it one of the most popular of the controlled expansion alloys for hermetic sealing applications. Kovar is produced to ensure good properties for machining and deep drawing, and is a porosity free product. You’ll find Kovar in applications such as power tubes, microwave tubes, transistors, diodes, hybrid packages, and other kinds of scientific instruments.

 

Kovar Alloy Chemistry

 

maximum % unless noted

Iron

Balance

Nominal Nickel

29%

Nominal Cobalt

17%

Carbon

0.02%

Silicon

0.20%

Sulfur

--

Chromium

0.20%

 

Kovar Alloy Physical Properties

 

Density

lb/cu in

0.302

Specific Gravity

 

8.36

Curie Temp

°F / °C

815/ 435

Melting Point

°F / °C

2640/ 1449

Electrical Resistivity

Micro-ohm-cm / Micro-ohm-cm

40/ 294

Thermal Conductivity

W/cm °C / BTU-in/sq. ft-hr-

0.17/ 120

Specific Heat

Cal/g- °C /  BTU/lbm- °F

0.11/ 0.11

Thermal Expansion

ppm/°F (75°F to 842°F) / ppm/°C (25°C to 450°F)

2.9/ 5.3

 

Kovar Alloy Mechanical Properties

 

Tensile Strength

Ksi

MPa

75

518

Yield Strength

Ksi

MPa

40

276

Elongation

% in 2 in

30

Typical Hardness Ann

Rockwell

HRB80

Modulus of Elasticity

Mpsi

KMPa

30

207

 

Kovar Alloy Linear Coefficient of Thermal Expansion

 

Degree C

 

DegreeC

 

30-100

---

30-450

5.1 - 5.5

30-150

---

30-475

----------

30-200

5.5

30-500

6.2

30-250

---

30-525

----

30-300

5.1

30-550

-----

30-325

--

30-600

7.9

30-350

-----

30-700

9.3

30-375

-----

30-800

10.4

30-400

4.6 - 5.2

30-900

11.5

30-425

-------

30-1000

--

 

Specification

 

Kovar Specifications

ASTM F-15/F-1466

MIL 1-23011 CL 1

AMS 1-23011 CL 1

Packaging & Shipping

 According the characteristic of  material ,suitable packing and follow China Customs regulations, or  As buyer's request .

Delivery items are flexiable ,  Shipping, Air lift ,train , hight speed ground transportation ,ect

key features

Power tubes, microwave tubes, transistors, diodes, hybrid packages, and other kinds of scientific instruments

 

Why Us ?

1.We can tailoring your unique requirements with ASTM, UNS ,GOST, standards.

2.We can produce more people cannot produce products

3.Short Lead-time

4.Leading Edge Technology

5.Good quality control in production process, ISO9001:2008, SGS, CQC, approved.

6.Excellent quality and High cost of performance

7.Available in an extensive range of stock or custom size.

8.The whole process from raw material to finished products can be traced.

9.40000 square meters workshop, advanced facilities and test equipment .

Certificates

 kovar wire for sellkovar wire for sell

 

Our Services

1,Sample free

2, Faster delivery
3, Helpful staff
4, Quick response
6, Testing before shipping 
7, We will reply you for your inquiry in 24 hours.

8, Advanced facilities

9. Technical support

10.No min order request

11.Technical Information 

If you have a technical question relating to a Controlled Expansion, Electrical/Electronic Nickel, Soft Magnetic or Refractory application, or need assistance with a specific material, you can visit our web  or email supportsales©  Ask the Experts service here; 



FAQ

 

1.Q: How can I trust this factory ?

   A: Our stock number is 836660(China new stock market), also you can visit our website . Our factory's License and certificate appear on the website.(License Number can check the aptitude of the factory on Chinese Gov web ,English version available )

2. Q: Is this factory far away from the port? Is this will take longer for delivery?

   A: From Xi'an to any port in China with in one day, convenient transportation only can improve the delivery.

 3. Q: Where is your factory located? How can I visit there?

   A: Our factory is located in Xi'an, Shaanxi Province, China.
       All our clients from all over the world, are warmly welcome to visit us! Free pick up !

4. Q: How can I get some samples?
   
 A: We are honored to offer you samples.(sample will delivery as our stock size)
5.Q: How does your factory do regarding quality control?
 
 A. Quality is priority. our factory have advanced facilities, High qualified technical personnel and technical support and always attach great importance to quality controlling from beginning to end. All requirements with ASTM, UNS, GOST standards.

6.Q Are you ISO 9001 approved ?

  A:Yes,we have held ISO 9001 approval since 2000.

7.Q;How can I pay ?

  A: Payment can be made by T/T, L/C, D/A, D/T ,Western Union .

8.What is your minimum order quantity?

A: We can manufactures from as small as few kilogram to your specification.

9.Q:What is your standard of the lead time ?

  A: Typical manufacturing lead times are around three working weeks.

     If you have an urgent requirement, we have an emergency manufacturing service(EMS)available .

10.Q:Do you offer testing services?

   A:Yes ,we can offer test date for you. Although we are not certified by international authority, our equipment is regularly calibrated and certified and our staff are fully competent. We can carry out for you ,using our in-house equipment.

11.Q:Do you deliver worldwide ?

   A: Precision alloy supplies customers world wide.by Air, Sea, Ground, We can despatch using your  carrier account if you prefer.  All products are packed suitably for transportation.

12.Q:Can you make to my specification/drawing ?

A:We do manufacture to individual specifications / drawings.  Please send us your specification / drawing for our production team to confirm if we can meet your requirements.

13.Q: Who do I send my enquiry to?

   A: Please send your enquiries to Supportsales©

14.Q: Who do I contact when progressing my order?

   A: Send an e-mail titled Order Progress to Supportsales©

    

Xi'an GangYan Special Alloy Co,Ltd  The  factory is  researching and producing  precision alloy over 23 years , Worldwide Supply and 10000+ clients witness for you .
      Our factory is located in Shaaxi Province of China. Our products are all made to satisfy the requirements of the European Union SGS ---RoHs,  ISO 90001 and we have both certification. Our advantage lies in strong research-and-development capabilities, abundant materials, highly cost performance, and relevant relations with the factories from all over the world .The table showing is reference Only ,Other shape available as well , also we can tailoring your unique requirements with ASTM, UNS ,GOST,standards,   For any Further INFO please feel free to contact us: supportsales©

 

Contact Supplier

Ms. Michelle Lee Sales Manager Chat Now
Telephone
86-29-33669103
Fax
86-29-33698670
Address
No.88 Dengliu Road,Xi'an,Shaanxi,China Shaanxi

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