Applications

Semiconductor materials, vacuum coating, sintering trays and boats, special chemical applications, superconductors, medical components, jet engine parts and is used in the lighting industry.

Product Feature

High melting point, High-density, high temperature oxidation resistance, long service life, resistance to corrosion.

Chemistry                                                                %

Designation

Chief component

Impurities   less than

Nb

Fe

Si

Ni

W

Mo

Ti

Ta

O

C

H

N

Nb1

Remainder

0.004

0.002

0.002

0.004

0.004

0.002

0.07

0.015

0.005

0.0015

0.003

Nb2

Remainder

0.02

0.02

0.005

0.02

0.02

0.005

0.15

0.03

0.01

0.0015

0.01

Special requirements to be agreed on by the supplier and buyer of negotiations

Grade

Tensile strength δbpsi (MPa), ≥

Yield strength δ0.2, psi (MPa),≥

Elongation in 1"/2" gage length, %, ≥

>=0.010

<0.010

RO4200-1

RO4210-2

18000 (125)

12000 (85)

25

20