TrubaKovar® - 1.3981

International Equivalent

Mark Analogue W. Nr. Aisi Uns En Order
29NK 1.3981 K94610 NiCo29-18 Delivery from the stock, in stock
29NK-t 1.3981 K94610 NiCo29-18 Delivery from the stock, in stock
29NK-m 1.3981 K94610 NiCo29-18 Delivery from the stock, in stock

29NK / Kovar ® — UNS K94610

Trade name: Kovar ®. It is a brand of iron-nickel-cobalt alloy. It serves to create a hermetic seal of ceramic materials and glass. Kovar used in the power tubes, microwave devices, diodes and transistors, and others. Radio-electronic devices.

Physical indicators

Alloy Kovar 29NK Hardness HB MPa x10 -1 The relative strength of the current
annealed 85 85 000 min
¼ hard 90 — 93 90 000 — 115 000
½ hard 94 — 96 105 000 — 125 000
Hard Over 96 120,000 max

Kovar presented: sheets, strips, plates, round, wire, seamless and welded pipes, forgings, fittings and flanges.

Kovar. Chemical composition:

C Mn P S Si Cr Ni Mo Cu Co Cb Ti Al Fe N AT
0.03 max 2.0 max 0.04 max 0.03 max 1.0 max 20.0 -22.0 23,5−25,5 6−7 0.75 max         balance 0,18−0,25  

Buy at the best price

In stock Evek GmbH company offers a wide range of hire zhelezohromonikelevogo standard and custom settings. Making a purchase is possible, without leaving the office, for example, on the internet through the Company’s website. To purchase just need to place your order and click «buy». If necessary, on any current problems you can consult our managers. They will provide all the necessary information regarding the products, price range, the implementation conditions. Lead times are minimal at the Cova. When wholesale purchases include preferential discounts.