Find Elastic Alloy, Precision Alloy, Alloy Wire on Industry Directory, Reliable Manufacturer/Supplier/Factory from China.

Inquiry Basket (0)
Home > Products > Precision Alloy > Expansion Alloy Wire

Expansion Alloy Wire

Basic Info

Model No.:  Kovar

Product Description

Model NO.: Kovar Material: Fe-Ni-Co Trademark: ToLand Alloy Origin: China Product Type: Wire Carbon Content: Low Carbon Specification: customize Description:

4J29(China); 29H, 29H-B, Techallony(Russia); Kovar, Rodar, Glasseal 29-17(United States); Nilo K, Telcaseal(Great Britain); KV-1, KV-2, KV-3(Japan); Dilver P0, Dilver P1(France); Vacon 12, Silvar 48(Germany).

Kovar Applications:
Electronic Package Base, Lids, Lead Frames & Glass to Metal Seals.

Industries Served:
Telecommunications, Aircraft & Aerospace Industry, Military and Defense, Semi-Conductor & Microwave.

Physical Constants:
Density: 8.17g/cm³
Specific gravity (g/cm3): 8.36
Melting point(º C): 1450
Melting heat(calorie/g): 64
Vapour pressure (μ M): 1× 10-6 (1000º C)
Specific heat(calorie/g/º C): 0.105 (0º C)
0.155 (430º C)
Heat conductivity(calorie/cm· Sec. · º C): 0.0395 (30º C)
0.0485(300º C)
Curie temperature (º C): 435
γ α Phase-transition temperature(º C): Below -80

Electrical performance:
Resistivity (μ Ω -mm): 49 (25º C)
Varieties                     Steel type   
 
Specifications
mm
Precision
alloy
Resistance Alloys for electrical heating Super alloy Welding Wire Corrosion resistant
alloy
Rods hot rolling rods Φ8~38mm available   available   available
Cold-drawn rods ≤50mm available   available   available
Forged rods Φ38~350mm available   available   available
Wires Round wires Φ0.3~8mm available available available available available
Non-circle wires Negotiation available   available   available
Strips Cold rolling 0.15~4×200mm available available available   available
Hot rolling 4~22×200mm available available available   available
Plates Cold rolling 0.5~4×1000×2000mm available   available   available
Hot rolling 4~22×1000×2000mm available   available   available
tubes Φ4~63×0.5~5mm          available   available
Executive standard: GB, GJB, HB, YB, ASTM, AMSE, negotiation and so on.

Contact us if you need more details on Astm F15. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Ni29co18、Kovar. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Precision Alloy