• Wuxi Jinlai Mechanical Processing Co., Ltd.
    John Fairbank
    stainless steel strip with good quality and the Sales clerk service is very good.i like this company i hope can work with your again
  • Wuxi Jinlai Mechanical Processing Co., Ltd.
    Shipment speed is very fast, and the requirements can meet me. Salesman is very responsible.
  • Wuxi Jinlai Mechanical Processing Co., Ltd.
    Fierce Urchin
    good ,the galvanized steel coil quality is good and i donot see the broken on them.that is nice
Contact Person : Jo Yuan
Phone Number : +86-18706170710
WhatsApp : +8618706170710

0.03mm Thick Alloy 4j50 Vacovit 500 Nilo51 Ns-1 Nickel Strip

Place of Origin: CHINA
Brand Name: JIN LAI
Certification: ISO
Model Number: invar36
Minimum Order Quantity: 5 ton
Price: negotiable based on the quantity
Packaging Details: Standard seaport packing or as custom request
Delivery Time: 10-30 days
Payment Terms: T/T, Western Union, L/C
Supply Ability: 6000 tons per month
Product Details
Grade: NiFe Resistance (μΩ.m): 0.44ohm.mm2/M
Application: As Glass Sealing Material, Sealing Glass Material Content: Ni29% Co 18% Fe53%
Thickness: 0.03-3.0mm Width: 10mm-250mm
Density: 8.21g/cm3
High Light:

Ns-1 Nickel Strip


4j50 Nickel Strip


0.03mm Nickel Strip

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Product Description

Alloy 4j50 , Vacovit 500 , Nilo51 , Ns-1 Nickel Strip

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.
Product Description
Product name Alloy 4j50 , Vacovit 500 , Nilo51 , Ns-1 Nickel Strip As glass sealing material
Grade 4J42,4J45,4J50,4J52,4J54
Density 8.21g/cm3
Thickness 0.03-3.0mm
Width 10mm-250mm
Length 1-12m,or as required
Surface mill,bright,polished,hair line,brush,sand blast,checkered,embossed, etching,etc

As glass sealing material, sealing glass



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




 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


1. What's the minimum quantity customer can order?
If we have your size in stock, we can provide any quantity you want.
If the size is not in stoct, our MOQ will be about 30kgs.

2. How can you pay for small sample amount?
We have Western union account, wire transfer for sample amount also ok.

3. Customer do not have express account. How will us arrange the delivery for sample order?
Just need to provide your address information, we will check the express cost, you can arrange the express cost together with sample value.

4. What's our payment terms?
We can accept LC T/T payment terms, it also depending on delivery and total amount. Let's talk more in details after getting your detailed requirements.

5. Do you provide free samples?
If you want several meters and we have stock of your size, we can provide, customer need to bear the International express cost.

6. What's our working time?
We will give you reply through email/phone Online contact tool within 24 hours. No matter working day or holidays.


0.03mm Thick Alloy 4j50 Vacovit 500 Nilo51 Ns-1 Nickel Strip 0