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Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar

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Product Images of Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar

Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar
Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar pictures & photos
Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar
Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar pictures & photos
Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar
Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar pictures & photos
Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar
Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar pictures & photos
Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar
Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar pictures & photos
Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar
Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar pictures & photos
Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar
  • Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar
  • Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar
    Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar
  • Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar
    Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar
  • Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar
    Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar
  • Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar
    Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar
  • Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar
    Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar
  • Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar
    Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar

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Product Description

Product Description

 

Introduction

LORK is a alloy manufacturer with 20 years of manufacturing experience.
 

4J50 the other common Name: 50H, N50, Vacovit 500, FeNi50, Nilo51, Ns-1

4J50 is mainly composed of iron, nickel elements. It is characterized with a fixed coefficient of expansion.

 

FeNi Glass Sealing Alloys
Grade 4J42,4J45,4J50,4J52,4J54
Size Strip:(0.03-0.1)mm*(180-250)mm
(0.1-1.0)mm*(10-250)mm
(1.0-3.0)mm*(100-250)mm
Wire:0.1-6.0mm
Bar:20-100mm(Hot forging)
      2.0-20mm(Cold drawing)
Features It has a certain linear expansion coefficient in a certain temperature rang
Application Used as soft glass or ceraimc sealing material in the electric vacuum industry.
 

4J50 Normal composition%

 
Grade C P S Mn Si Al Ni Co Fe
4J42 ≤0.05 ≤0.02 ≤0.02 ≤0.8 ≤0.3 ≤0.1 41.5-42.5 ≤1.0 Bal.
4J45 ≤0.05 ≤0.02 ≤0.02 ≤0.8 ≤0.3 ≤0.1 44.5-45.5 / Bal.
4J50 ≤0.05 ≤0.02 ≤0.02 ≤0.8 ≤0.3 ≤0.1 49.5-50.5 / Bal.
4J52 ≤0.05 ≤0.02 ≤0.02 ≤0.6 ≤0.3 / 51.5-52.5 / Bal.
4J54 ≤0.05 ≤0.02 ≤0.02 ≤0.6 ≤0.3 / 53.5-54.5 / Bal.


4J50 Typical Physical properties

 
Density (g/cm3) 8.21
Electrical resistivity at 20ºC(ohm.mm2/m) 0.44
Thermal conductivity, λ/ W/(m*ºC) 16.7
Curie point   Tc/ ºC 500
Elastic Modulus,  E/ Gpa 158


4J50 Coefficient of expansion

 
θ/ºC α1/10-6ºC-1 θ/ºC α1/10-6ºC-1
20~100 9.8 20~400 9.4
20~200 9.8 20~450 9.4
20~300 9.5 20~500 9.7
20~350 9.4 20~600 10.6


4J50 The heat treatment process

 
Annealing Heated to 900 ±20ºC in a hydrogen atmosphere
Holding time, h 1 hour
cooling With speed not more than 5 ºC / min. cooling to below 200 ºC

Detection


Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar

Processing

Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar
 

Packaging & Shipping


Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar
Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar

Company Profile


Loek Vacovit 500/Feni50/Nilo51 Expansion Alloy Rod for Electric Vacuum Industry 4j50 Precision Alloy Bar

FAQ


Q1: Do you accept the trial order ?
A1: Yes,if we have the exactly size in stock.we can delivery even 1 piece/meter .

Q2: Can I have free sample before making orders?

A2: Yes,we can supply free sample as requirement,but buyer needs to pay the freight charges ,the freight fee will return to buyer after making order.

Q3: How do you control the quality ?
A3: MTC and PMI will be sent before shipment,any 3rd party inspection if need .

Q4: How about your delivery time ?
A4: Generally delivery time is 15 working days .

Q5: How can I quickly get the price list ?
A5: Directly click "chat now" or send us email with detail specifications,you will get the official price list in 1 hour .

About the Supplier

This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR259932". Items marked "verified" are certified.

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LORK GROUP CO., LTD
LORK GROUP CO., LTD
LORK GROUP CO., LTD
LORK GROUP CO., LTD
LORK GROUP CO., LTD
LORK GROUP CO., LTD
LORK GROUP CO., LTD
LORK GROUP CO., LTD

About Our Factory & Business Background

Address
Erqi District, Shenglong Erqi Center, Building B, Zhengzhou, Henan, China
verified Average Lead Time
Peak Season Lead Time: within 15 workdays, one month
Off Season Lead Time: within 15 workdays, one month

Our Production Capability & Technical Expertise

Main Products
Nickel Alloy, Cobalt Alloy, Titanium Alloy, Stainless Steel, Precision Alloy, Medical Material, Rare Metal Alloy, Rare Earth Alloy, Super Alloy, Lork Aerospace Material
verified Customization Options
Customization from Designs, Customization from Samples

Our Industry Experience & Global Business Record

Main Markets
North America, South America, Eastern Europe, Oceania, Mid East, Eastern Asia, Western Europe, Southeast Asia

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