ASTM Kovar

2014-01-06 15:29:12 Print this page

The high quality USA ASTM Kovar material is one of the more steel grades we supply, ASTM SAE AMS 7727E (2000),Iron-Nickel-Cobalt Alloy, Bars and Forgings, 53Fe - 29Ni - 17Co, Low Expansion, Glass Sealing. Kovar is our main production grade, which has been approved by customers in many countries since its initial production, including our Kovar round bars, flat bar, forgings, fasteners, tubes, wires, strips, sheets & Plates, as well as a variety of profiles, professional high precision auto-lathe processing manufacturer of clinching fasteners, axes, standoffs, screws, studs, nuts, bolt, OEM parts and special shaped turning partsthe state of delivery includes quenched and tempered, annealed, machined semi-finished products, we also have strict management of the packaging, to avoid material damage from transportation. We are the best supplier of Kovar materials, and we are willing to develop together with customers from all over the world.

Also includes Kovar steel material norm, chemical composition, mechanical properties, datasheet, Kovar equivalent, heat treatment and temperature process of Kovar, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in Kovar this steel grade have a more comprehensive understanding, Download the full Kovar PDF version of this datasheet.

Chemical composition (wt.%) of Kovar

Elements	Min.（≥）	Max.（≤）
C	-	0.04
Si	-	0.20
Mn	-	0.50
Ni	-	29.00
Cr	-	0.20
Al	-	0.10
Cu	-	0.20
Ti	-	0.10
Fe	-	53.00
Mo	-	0.20
Co	-	17.00
W	-	-
Mg	-	0.10
Zr	-	0.10

Mechanical Properties of Kovar

Rp0.2 (MPa)	Rm (MPa)	Impact KV (J)	Elongation A (%)	A Z (%)	Delivery	Hardness HB
321 (≥)	916 (≥)	34	21	44	Solution & Aging, Ann, Ausaging, Q+T	322