Vanadium-containing pig iron chemical composition

Pig iron containing vanadium (according to GB5025-85)

Iron number

Brand

Vanadium 02

Vanadium 03

Vanadium 04

Vanadium 05

Code

F02

F03

F04

F05

chemical composition%

V

≥0.20

≥0.30

≥0.40

≥0.50

Ti

≤0.60

Si

A group

≤0.45

Two groups

>0.45-0.80

P

First level

≤0.15

Secondary

>0.15-0.25

Third level

>0.25-0.40

S

one type

≤0.05

Second class

≤0.07

Three types

≤0.10