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KX 4J34 Corrosion Resistant Alloy Light Rod On Expansion Alloy

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KX 4J34 Corrosion Resistant Alloy Light Rod On Expansion Alloy

Brand Name : KAIXIN

Model Number : KX-Alloy34

Certification : ISO9001:2015

Place of Origin : China

MOQ : 200KG

Price : To negotiate

Payment Terms : T/T, L/C

Supply Ability : 50~80TONS per MONTH

Delivery Time : 45~60days

Packaging Details : Wooden Box, size as per guests's request

Shape : Wire,Strip,Rod,Tube,Plate

Alloy Type : Fe-Ni-Co Ceramic Sealing Alloy

Raw Materials : NI28.5-29.5%，CO19.5-20.5%,Fe Rem

Executive standard : YB/T5231

Delivery State : Sosoloid

Application : For manufacturing electrodes, exit discs and exit wires of large electronic tubes and magnetrons

Features : Match sealing of electric vacuum devices and 95% Al2O3 ceramics

Size : Negotiable

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Product Description and Application

4J34 is also known as Alloy 34

4J34 is ceramic sealing alloy, which is developed combined with our ceramic characteristics. The linear expansion coefficient of the alloy is similar to that of 95%Al2O3 ceramics in the temperature range of -60℃ ~ 600℃. It is widely used in high precision instrument, optical device, antenna, satellite, aerospace and etc fields. In addition, it can also be used to make magnetic components, capacitors and etc.

Process Performance and Requirements

  • Product Fusion Process

Vacuum Induction Furnace(VIM) and Electroslag Remelting Furnace(ESR)

  • Product Chemical Composition

Alloy Grade Chemical Composition %
C P S Mn Si Ni Co Fe
not more than
4J34 0.03 0.02 0.02 0.5 0.3 28.5～29.5 19.5～20.5 Rem

  • Product Average Linear Expansion Coefficient

Alloy Grade Sample Heat Treatment Institution

Average Coefficient of Linear Expansion

α(10-6/ K)
20～300 ℃ 20～400 ℃ 20～500 ℃ 20～600 ℃
4J34 It is heated to 900±20 ℃ in hydrogen atmosphere, heat preservation for l hour, then cool to 200 ℃ or less at a speed of no more than 5 ℃ / min ----- 6.3～7.1 ----- 7.8～8.5

  • Product Typical Average Linear Expansion Coefficient

Alloy Grade

Average Linear Expansion Coefficient

over Different Temperature Ranges α(10-6/ K)
20～200 ℃ 20～300 ℃ 20～400 ℃ 20～500 ℃ 20～600 ℃
4J34 7.5 6.9 6.6 6.9 8.3

  • Product Mechanical Property

Tensile Strength Yield Strength Elongation Hardness
≥490 MPa ≥240 MPa ≥42% ≥42%

  • Productive Process

KX 4J34 Corrosion Resistant Alloy Light Rod On Expansion Alloy

  • Professional Customization

Cold-drawn Wire ¢0.3~¢18mm(Delivery in rolls or trays)
Hot-Rolling Wire ¢5.5~¢20mm(Delivery in rolls)
Strip thickness 0.1~4.5*width 6~350mm(Supply in rolls or straight strips)
Smooth Forged Rod on a Lathe

¢60~350mm,L800-2500mm
Hot-rolled Burnishing ¢20~80mm,L1000-5000mm
Cold Drawn and Burnishing ¢2.5~18mm,L1000-8000mm
Seamless Tube ¢1~275mm,wall thickness 0.2~30,L1000-8000mm

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KX 4J34 Corrosion Resistant Alloy Light Rod On Expansion Alloy Manufactures

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