Good Quality Glass Sealing Alloy Strip Kovar Alloy 4J29 Strip

• Product Type: Strip
• Material: Ni-Cr-Fe
• Carbon Content: Low Carbon
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: Kovar 4J29
• PCD: 120mm
• ET: 15mm
• Hole: 5
• OEM: Yes
• colour: silver white
• Sample: Small Order Accepted
• surface: Bright
• standard: GB/ASTM/JIS/BIS/DIN
• State: Soft 1/4hard 1/2hard hard T-hard
• Transport Package: Wooden Cases
• Specification: SGS
• Trademark: TANKII
• Origin: Shanghai
• HS Code: 75052200
• Production Capacity: 2000t/Year.
• Package Size: 30.00cm * 30.00cm * 30.00cm
• Package Gross Weight: 10.000kg

Product Description

Good Quality Glass Sealing Alloy Strip Kovar Alloy 4J29 Strip 

Relative Grade:
29H Kovar Nilo K KV-1 Dilver P0 Vacon 1229H-B Rodar Telcaseal KV-2 Dilver P1 Silvar 48

Specification: Sheet/Plate, Bar/Rod/Wire/Coil,Capillary/Pipe/Tube 

 

Size Range: 

*Sheet---Thickness 0.1mm~40.0mm, width:≤300mm,Condition: cold rolled(hot), bright, bright annealed 

*Round Wire---Dia 0.1mm~Dia 5.0mm,Condition: cold drawn, bright, bright annealed 

*Flat Wire---Dia 0.5mm~Dia 5.0mm,length:≤1000mm,Condition:flat rolled, bright annealed 

*Bar---Dia 5.0mm~Dia 8.0mm,length:≤2000mm,Condition:cold drawn,bright, bright annealed 

Dia 8.0mm~Dia 32.0mm,length:≤2500mm,Condition:hot rolled,bright, bright annealed 

Dia 32.0mm~Dia 180.0mm,length:≤1300mm,Condition:hot forging,peeled, turned, hot treated 

*Capillary---OD 8.0mm~1.0mm,ID 0.1mm~8.0mm,length:≤2500mm,Condition: cold drawn, bright, bright annealed 

*Pipe---OD 120mm~8.0mm,ID 8.0mm~129mm,length:≤4000mm,Condition: cold drawn, bright, bright annealed

products description  4J29 bar 

Product name	ASTM F15 Polish surface Kovar 4J29 round bar
Band	4J29
Chemical composition	Fe54%,Ni29%,Co17%
Size	diameter:1-200mm
Surface	black , polish
Dilatation coefficient	4.7x10--6/ºC
Application	Car lights and electric vacuum industry
MOQ	1kg
Payment	T/T,L/C,PayPal,Western&Union,Escrow

Brand Name  4J29 bar

	China GB	Germany SEW VDIUV	Japan JIS	AISI/ASTM
4J29	4J29	W.Nr.1.3912	EMAS-1001	F15

Chemical composition  4J29 bar

alloy	C	Mn	Si	P	S	Ni	Cr	Co	Cu	Mo	Fe
4J29	≤0.03	≤0.50	≤0.30	≤0.020	≤0.020	28.5~29.5	≤0.20	16.8~17.8	≤0.2	≤0.2	balance

Average Coefficient Of Linear Expansion (10-6ºC):

20~100ºC	20~300ºC	20~400ºC	20~450ºC	20~500ºC	20~530ºC	20~600ºC
--	--	4.6~5.2	5.1~5.5	--	--	--