Spheroidizing agent for as-cast ductile iron

Spheroidizing agent for as-cast ductile iron

Description

  • product description

Spheroidizing agent for as- cast ductile iron QB/T002-2004

Chinese character code

chemical composition%

Conditions of Use

Mg

RE

Si

Ai

Ti

Ca

Ba

Sb

Bi

Fe

molten iron

Ball iron grade

Processing temperature

Hot metal S%

% added

Ferrite type I T-1

5-7

1-3

38-44

≤1

≤1

Moderate amount

Moderate amount

-

Moderate amount

margin

Electric furnace

QT400-18

QT450-10

1440°C-1520°C

≤0.04

1.4-1.8

Ferrite type II T-2

7-9

2-4

38-44

≤1

≤1

Moderate amount

Moderate amount

-

Moderate amount

Cupola

QT400-18

QT450-10

1390°C-1460°C

≤0.08

1.4-1.8

Pearlite type I Z-1

5-7

1-3

38-44

≤1

≤1

Moderate amount

Moderate amount

Moderate amount

-

Electric furnace

QT600-3

QT700-2

1440°C-1520°C

≤0.04

Pearlite type II Z-2

7-9

2-4

38-44

≤1

≤1

Moderate amount

Moderate amount

Moderate amount

-

Cupola

QT600-3

QT700-2

1390°C-1460°C

≤0.08

Mixed matrix type I H-1

5-7

1-3

38-44

≤1

≤1

Moderate amount

Moderate amount

-

-

Electric furnace

QT500-7

1440°C-1520°C

≤0.04

Mixed matrix type II H-2

7-9

2-4

38-44

≤1

≤1

Moderate amount

Moderate amount

-

-

Cupola

QT500-7

1390°C-1460°C

≤0.08

Large section I type D-1

5-7

Weight 1.5-2.5

38-44

≤1

≤1

Moderate amount

Moderate amount

-

-

Electric furnace

QT450-10

1440°C-1520°C

≤0.04

Large section type II D-2

7-9

Heavy 2-3

38-44

≤1

≤1

Moderate amount

Moderate amount

-

-

Cupola

QT500-7

1390°C-1460°C

≤0.08

1.8

Ductile iron type I G-1

5-7

1-3

38-44

≤1

≤1

Moderate amount

Moderate amount

-

-

Electric furnace

Ductile iron tube iron tube

1440°C-1520°C

≤0.04

1.0

Ductile iron type II G-2

7-9

1-3

38-44

≤1

≤1

Moderate amount

Moderate amount

-

-

Cupola

>1390°C-1460°C

≤0.08

1.0-1.5

Ductile iron type III G-3

5-6

1-2

38-44

≤1

≤1

Moderate amount

Moderate amount

-

-

Electric furnace

>1390°C-1460°C

≤0.08

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