kovar rod

Place of Origin: Jiangsu China (Mainland) Brand Name: kx- alloy Model Number: rod

Dimension: 2- 150 mm The delivery state: hot forging or hot rolls The delivery surface colour: black forging or b .

Packaging & Delivery

Packaging Detail : woode packing

Delivery Detail 30- 40 days





kovar rod

The state: hot forging or hot rolls

The surface colour: shine and bright or black

Diameter: 2- 150 mm

Kovar rod1. Alloy grades and chemical composition consistent with the provisions of table 1the chemical composition of Kovar (% )

CPSMnSiCuCrMoNiCo Fe

Not more than?

0. 030. 0200. 0200. 50. 300. 200. 200. 2028. 5- 29. 516. 8- 17. 8balance

2. The tensile strength of wire in line with the provisions of Table 2Status codeStateTensile strength, N/ mm 2

R1/ 4I1/ 2I3/ 4IISoft state1/ 4 Hard state1/ 2 Hard state3/ 4 Hard stateHard state<585585- 725655- 795725- 860>860

3. Strip tensile strength in line with the provisions of Table 3Status codeStateTensile strength, N/ mm 2

R1/ 4I1/ 2I3/ 4IISoft state1/ 4 Hard state1/ 2 Hard state3/ 4 Hard stateHard state<570520- 630590- 700600- 770>700

4. Alloy average linear expansion coefficient in line with the Table 4 Alloy GradesSpecimen heat treatment systemThe average linear expansion coefficienta, 10- 6/ oC

20- 300 oC20- 400 oC20- 450 oC

kovarIn hydrogen atmosphere heated to 900 ? 20 oC, insulation lh, 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. Alloy typical expansion coefficient Alloy Grades The average linear expansion coefficient a, 10- 6/ oC

20- 200oC20- 300 oC20- 400oC20- 450oC20- 500oC20- 600oC20- 700oC20- 800oC

kovar5. 95. 35. 15. 36. 27. 89. 210. 2