High Quality 4j42 /Nilo42/ Uniseal 42 Sealing Alloy Strip

• Customization: Available
• Alloy: Alloy
• Certificate: ISO 9001&RoHS&BV
• Model NO.: 4J42 /Nilo42/ Uniseal 42
• Classification: Rare Metal
• Transport Package: According to Customer′s Requirements
• Specification: RoHS
• Trademark: Ualloy
• Origin: Zhejiang, China
• Production Capacity: 500tons/Year

Product Description

1.Description: 
 
 

Grade and chemical composition
Grade	Mass fraction (%)
	C	P	S	Mn	Si	B	Al	C0	Ni	Cr	Fe
	≤
4J42	0.05	0.020	0.020	0.80	0.30		0.10	1.0	41.5~42.5		balance

 
  

tensile strength for strips
status	tensile strength /MPa
soft	<590
hard	>820

 
 
 
 
 
 
 
 
 

hardness of strip in deep punching status
deep punching	thickness/mm	Hardness HV
Fe-Ni-Cr		≤190
Fe-Ni	>2.5	≤190
	≤2.5	≤165

 
 
 
 

heat treating regime and coefficient of linear expansion
Grade	Heat treatment on samples	a/(10-6/K)
		20-300°C	20~400%	20-450°C
4J42	Heat the sample to (900±20)°C in hydrogen atmosphere, keep the temperature for one hour, cool to below 200°C at the speed ≤5°C/min then discharge	4.0~5.0		6.5~7.5
		6.5~7.2	6.5~7.2
		9.2~10.0	9.2~9.9

 
 
 
 

coefficient of expansion
Grade	Average coefficient of expansion a/(10-6/K)
	20~100°C	20~200°C	20~300°C	20~400°C	20~450°C	20~500°C	20~600°C
4J42	5.6	4.9	4.8	5.9	6.9	7.8	9.2

 
 
 
 
2.Size 
Strip---Thickness 0.1mm~4.0mm, width:≤300mm,Condition: cold rolled(hot), bright, bright annealed 
 
 
3.Usage
It is applied to soft glass-to-metal and ceramic-to-metal seals in electronic component.
 
 
 
 
4.MOQ
 50-100 kgs per each size; If we have in stock, 1kgs is available for us.
 
 
5. Payment
 T/T, 30% deposit and the balance paid against the B/L copy.
 100% L/C at sight;
 Wesetern Union;
 Paypal;
 
6.Shippment
By Sea;
By Air (DHL,TNT,UPS,FEDEX etc)
 
 
7.Application
Petrochemical Industry;    Pulp and paper Industry;        Aerospace Industry;
Industrial Furnace;            Special Welding;                     Heating Treatment Industry;
Nuclear Power Industry;    Marine Industry;                       Shipbuilding Industry;
 
 
8.Packing
 Standard export packing, carton with plywood case for safety
Strip: Packed in Nylon Polybag first
The goods can be packed as the clients demand.
 
 
 
9.Delivery time
We can do the order 45-50days upon receive the 30% deposit or L/C document.
 
 
 
10.Advantages
1.Pass:ISO9001 certification 
2.fine after-sale services 
3.small order accepted
 
11.Delivery conditions and finishes
 
 
 
Strip:bright surface; special requirements made as the clients