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Home > Products > Expansion Alloy > KX Nilo K Corrosion Resistant Alloy Light Rod On Expansion Alloy

KX Nilo K Corrosion Resistant Alloy Light Rod On Expansion Alloy

Product Details

Place of Origin: China

Brand Name: KAIXIN

Certification: ISO9001:2015

Model Number: KX-Alloy EX29

Payment & Shipping Terms

Minimum Order Quantity: 200KG

Price: To negotiate

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

Delivery Time: 45~60days

Payment Terms: T/T, L/C

Supply Ability: 50~80TONS per MONTH

Get Best Price
Highlight:
Features:
Sealing Alloy Used For Hard (high Borosilicate) Glass Metal Alloy Sealing
Shape:
Wire,Strip,Rod,Tube,Plate
Alloy Type:
Nickel-iron-cobalt
Raw Materials:
NI28.5-29.5%,CO16.8-17.8%
Executive Standard:
ASTM F15
Delivery State:
Soft State
Application:
Precision Instruments, Aerospace And Etc High-tech Fields
Size:
Negotiable
Features:
Sealing Alloy Used For Hard (high Borosilicate) Glass Metal Alloy Sealing
Shape:
Wire,Strip,Rod,Tube,Plate
Alloy Type:
Nickel-iron-cobalt
Raw Materials:
NI28.5-29.5%,CO16.8-17.8%
Executive Standard:
ASTM F15
Delivery State:
Soft State
Application:
Precision Instruments, Aerospace And Etc High-tech Fields
Size:
Negotiable
KX Nilo K Corrosion Resistant Alloy Light Rod On Expansion Alloy

 

Product Description and Application

 

Nilo K is also know as Ni29Co18, 4J29

Nilo K is a typical Fe-Ni-Co hard-glass sealing alloy, which has been used in aviation factories for a long time with stable performance. The alloy has a dense oxide film, which can be well infiltrated by glass. It is the main sealing structural material of electric vacuum devices and mainly used for the glass sealing of electric vacuum components such as transmitter tube, oscillation tube, ignition tube, magnetron, transistor, sealing plug, relay, lead line of integrated circuit, chassis, shell, bracket and etc.

 

 

Process Performance and Requirements

 

  • Product Fusion Process

 

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

 

  • Product Chemical Composition 
Nilo K Chemical composition%
C P S Mn Si Cu Cr Mo Ni Co Fe
≤0.03 ≤0.02 ≤0.02 ≤0.5 ≤0.3 ≤0.2 ≤0.2 ≤0.2 28.5~29.5 16.8~17.8 Rem

 

  • Product Physical Property
Density 8.36g /cm3

 

  • Product Tensile Strength

 

Status code State Tensile strength/MPa
R Soft State <585
¼I ¼Hard State 585~725
½I ½Hard State 655~795
¾I ¾Hard State 725~860
I Hard State’ >860

 

  • Product Heat Treatment Institution

 

Grade Sample Heat Treatment Institution

Average Coefficient of Linear Expansion

α/(10-6/ K)

20-300 ℃ 20-400 ℃ 20-450 ℃
Nilo K It was heated to 900±20 ℃ in hydrogen atmosphere, held for 1h, then reheated to 1100±20 ℃, held for 15min,then cooled to below 200 ℃ at a speed of no more than 5 ℃/ min ---- 4.6~5.2 5.1~5.5

 

 

  • Product Average Coefficient of Linear Expansion

 

Alloy Average Linear Expansion Coefficient α/(10-6/ K)
Grade 20~200 ℃ 20~300 ℃ 20~400 ℃ 20~450 ℃ 20~500 ℃ 20~600 ℃ 20~700 ℃ 20~800 ℃
Nilo K 5.9 5.3 5.1 5.3 6.2 7.8 9.2 10.2

 

 

  • Productive Process

 

KX Nilo K Corrosion Resistant Alloy Light Rod On Expansion Alloy 0

 

 

 

 

  • 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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