4j42 Nickel Expanding Alloy Bar for Shock Tube

• Application: Aviation, Electronics, Industrial, Medical, Chemical
• Standard: GB, ASTM
• Purity: 41.5%-42.5%
• Alloy: Alloy
• Type: Nickel Bar
• Powder: Not Powder
• Model NO.: 4J42
• Standard 1: Yb/T 5234-93
• Grade 1: 4j42
• Grade 2: Nilo42
• Grade 3: Uniseal42
• Material: Nickal-Iron and Other Alloy
• Form: Round Bar
• Transport Package: PE Foam and Wooden Cases
• Specification: Customizable
• Trademark: Starship
• Origin: Shenyang. China
• HS Code: 7505120000
• Production Capacity: 4500 Tons Per Year

Product Description

Production status of nickel alloy bar:

Hot working condition (R)
Cold working condition (Y)
Annealing state (M)

Nickel alloy bar manufacturing process:

Hot forging
Hot rolled
Cold rolled
Annealing
Pickling

Applications of Nickel bar:
 

4J42Invar (inwatt) alloy is widely used in emission tubes, oscillators, ignition tubes, magnetron, electronic tubes, transistors, sealing plug, relay, integrated circuit and other electric vacuum elements.Glass seal of lead wire, chassis, housing, support, etc.

 
Chemical elements

Grade	Ni	C	Mn	Si	Co	P	S	Al	Fe
4J42		max	max	max	max	max	max	max
	41.5~42.5	0.05	0.80	0.30	0.5	0.020	0.020	0.10	Balance

Physical Property

Grade	Density	Resistivity
4J42	ρ=8.12g/cm3	ρ=0.61μΩ·m

 

4J36 Alloy Introduce

J42 alloy is Fe-Ni series fixed expansion alloy, whose thermal expansion coefficient (CTE) matches hard glass, soft glass, Al2O3, BeO, LTCC, AlN, excellent magnetic performance, electroplating and welding performance, compared with 4J29 alloy, no expensive precious metal Co, with high cost advantage, become one of the common materials for metal packaging of microelectronics products.

Product Picture

 

Why choose us?

• Engaged in import and export trade for twenty years
• Products are exported to more than 30 countries and regions at home and abroad
• Company with great credit and multiple sets of machinery and equipment
• Competitive price, strict quality control system and on-time delivery
• We have our own factory to facilitate our supply

Certificate

About us
    Shenyang Bona Titanium Technology Co., Ltd is located in Shenyang, China. We are the manufacturer of non-ferrous.
We have strong technical force and complete equipment, excellent products, the completed equipment and standardized testing to ensure the reliability of the product quality and stability.
   Our main products include titanium and titanium alloys, nickel and nickel alloys, zirconium and zirconium alloys, the common products such as rod/bar, plate/sheet, wire, tube/pipe. The others like Tees, fasteners, castings, machining parts, forgings, and also other goods made according to the customer's requirements.
   We have a large stock of titanium bars, plates, lumps and rolled or forged flat materials. We offer our best price and best service to our customers that from all over the world.
   Please give both of us an opportunity to cooperate with each other.