ASTMB392 Diameter 3~50mm niobium round bar

Chemistry                                                                %

Designation

Chief component

Impurities    maxmium

Nb

Fe

Si

Ni

W

Mo

Ti

Ta

O

C

H

N

Nb1

Remainder

0.004

0.003

0.002

0.004

0.004

0.002

0.07

0.015

0.004

0.0015

0.002

Nb2

Remainder

0.02

0.02

0.005

0.02

0.02

0.005

0.15

0.03

0.01

0.0015

0.01

Grade

Suplying state

Diameter

Lengtha

Voluntary Standers

Nb1

Nb2

Nb3

Nb4

Cold state(Y)

Annealedb(M)

3.0-6.5

>6.5-10.0

>10-18

>500

ASTM B392-03

Thermal processing state(R)

Annealedb(M)

>18-25

>25-40

>40-50

>50-65

FNb1

FNb2

Thermal processing state(R)

Annealedb(M)

3.5-5.0

>5.0-12

>500

>300

NbHf10-1

Thermal processing state(R)

Annealedb(M)

20-80

500-2000

Note:Quotation will be offered according to the specific requirements.