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KX 4J33 Corrosion Resistant Alloy Light Rod On Expansion Alloy

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KX 4J33 Corrosion Resistant Alloy Light Rod On Expansion Alloy

Brand Name : KAIXIN

Model Number : KX-Alloy33

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 : NI32.1-33.6%，CO14.0-15.2,Fe Rem

Executive standard : YB/T5234

Delivery State : Sosoloid

Application : It is an important sealing structure material in electric vacuum industry

Features : The product has an expansion coefficient matching sealing similar to 95% Al2O3 in the temperature range of -60℃~600℃

Size : Negotiable

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Product Description and Application

4J33 is also known as Alloy 33

4J33 is constant expansion ceramic teal alloy, which is a ceramic sealing alloy developed on the basis of 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 mainly used for matching sealing with ceramics,which is an important sealing structural material in electric vacuum industry.

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
4J33 0.03 0.02 0.02 0.5 0.3 32.1～ 14.0～ 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 ℃
4J33 It is heated to 900±20 ℃ in a protective atmosphere or vacuum, hold for 1 hour, then cool to 200 ℃ or less at a speed of no more than 5 ℃ / min ----- 6.0～6.8 6.6～7.4 -----

  • 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 ℃
4J33 7.1 6.5 6.3 7.1 8.5

  • Wire Tensile Strength

State Code State Tensile Strength／MPa
R Soft State <585
1 Hard State >860

  • Strip Tensile Strength Density

State Code State Tensile Strength／MPa
R Soft State <570
l Hard State >700

  • Productive Process

KX 4J33 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

KX 4J33 Corrosion Resistant Alloy Light Rod On Expansion Alloy

KX 4J33 Corrosion Resistant Alloy Light Rod On Expansion AlloyKX 4J33 Corrosion Resistant Alloy Light Rod On Expansion AlloyKX 4J33 Corrosion Resistant Alloy Light Rod On Expansion AlloyKX 4J33 Corrosion Resistant Alloy Light Rod On Expansion Alloy


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