Kovar wire

Kovar wireis also known as W.NR 1.398,UNS K94610,AWS 094,ASTM F15,Alloy-F15 therlo,Alloy 12B, Nilo-K,FeNi29Co17,Chinese 4J29,NiCo2918 , No. 1.3981. Ourcompany is specialized inproducing kovar wire, we can supply you kovarwire with good quality. kovar wire specification:plate, sheet, strip, rod, bar, wire, tube. If you are interested in our products, please send your specific inquiry to us, so that we can quote you our best price. Looking forward to cooperating with you! 1.Alloy grades(Kovar) and chemical composition consistent with the provisions of table 1 the chemical composition of Kovar(%) C P S Mn Si Cu Cr Mo Ni Co Fe Not more than≤ 0.03 0.020 0.020 0.5 0.30 0.20 0.20 0.20 28.5 29.5 16.8 17.8 balance 2.The tensile strength of kovar wire in line with the provisions of Table 2Status code StateTensile strength,N/mm2R1/4I1/2I3/4IISoft state 1/4 Hard state 1/2 Hard state 3/4 Hard state Hard state <585585725655795725860>8603 Kovar strip tensile strength in line with the provisions of Table 3Status code StateTensile strength,N/mm2R 1/4I 1/2I 3/4I I Soft state 1/4 Hard state 1/2 Hard state 3/4 Hard state Hard state <570 520630 590700 600770 >700 4.Kovar Alloy average linear expansion coefficient in line with the Table 4 Alloy Grades Specimen heat treatment system The average linear expansion coefficient a,10-6/ oC 20-300 oC 20-400 oC 20-450 oC kovar In hydrogen atmosphere heated to 900 ± 20 oC, insulation 1h, and then heated to 1100 ± 20 oC, insulation 15min, to not more than 5 oC / min rate of cooling to below 200 oC released ----- 4.6-5.2 5.1-5.5 5.Kovar Alloy typical expansion coefficient Alloy Grades The average linear expansion coefficient a,10-6/ oC 20-200 oC 20-300 oC 20-400 oC 20-450 oC 20-500 oC 20-600 oC 20-700 oC 20-800 oC kovar 5.9 5.3 5.1 5.3 6.2 7.8 9.2 10.2