Cast Iron Ductile Iron Grades, Ductile Iron Grades And Sale Price

01

Round profiles

Φ25 ~ 450mm

02

rectangular, square profile

25 × 25 ~ 300 × 300 mm

03

regular polygon and rectangular profiles

25 × 30 ~ 60 × 400 mm

04

semicircle profile

R20 ~ 200 mm

05

small diameter profile production

Φ25-50mm

06

Large Dia section and casting iron bars

Φ450mm ×500mm sheet

07

Pipe

Wall thickness 18-50mm

08

Symmetrical shaped cross-section

09

Asymmetrical shaped cross-section

10

Industry-specific iron bars

11

Special iron bars for machine skateboarding

12

Hydraulic valve block special iron bars

13

Etch resistant ductile iron alloy products

14

Glass molds for cast profiles products

15

Other industry-specific iron bars

Shape

Size(mm)

Section of tolerance(mm)

Deflection(mm)

Machining allowance to defects(mm)

Gray iron bars FC

Ball iron bars FCD 

Gray iron bars FC

Ball iron bars FCD 

Gray iron bars FC

Ball iron bars FCD 

Circular

Φ25-Φ45

0-+1.0

0-+1.5

≤4.0

≤5.0

≤1.0

≤1.0

Φ50-Φ65

0-+1.5

0-+1.5

≤3.0

≤4.0

≤1.5

≤1.5

Φ70-Φ100

0-+2.0

0-+2.0

≤2.0

≤3.0

≤2.0

≤2.0

Φ105-Φ150

-0.-+3.0

-0.-+4.0

≤2.0

≤2.5

≤2.5

≤2.5

Rectangle

Thickness 25-45

0-+1.5

0-+2.0

≤5.0

≤5.5

≤2.0

≤2.0

Thickness 50-100

0-+2.5

0-+2.5

≤4.0

≤4.5

≤2.5

≤2.5

Thickness100-120

0-+3.0

0-+3.0

≤3.0

≤3.5

≤3.0

≤3.0

Semicircle

Height40-55

0-+2.0

0-+2.0

≤4.0

≤4.5

 ≤2.0

 ≤2.0

 Height60-150

 0-+3.0

 0-+3.0

 ≤3.0

 ≤3.5

 ≤2.5

 ≤3.0

JB/T10854-2008

 HT/LZ200

 HT/LZ250

HT/LZ300

 QT/LZ450-10 

QT/LZ500-7 

QT/LZ600-3 

QT/LZ700-2 

JIS

FC200

FC250

FC300

FCD450

FCD500

FCD600

FCD700

chemical composition

C

2.8-3.85

2.8-3.8

2.8-3.8

3.0-3.9

3.0-3.9

3.0-3.9

3.0-3.9

Si

2.0-3.2

2.0-3.2

2.0-3.2

2.0-3.4

2.0-3.4

2.0-3.2

2.0-3.2

Mn

0.3-0.8

0.3-0.8

0.3-0.8

0.1-0.4

0.2-0.4

0.2-0.6

0.2-0.8

P

≤0.15

≤0.15

≤0.15

≤0.05

≤0.05

≤0.05

≤0.05

S

≤0.12

≤0.12

≤0.1

≤0.03

≤0.03

≤0.03

≤0.03

Mg

-

-

-

0.02-0.1

0.02-0.1

0.02-0.1

0.02-0.1

Mechanical properties

Tensile strength MPa

≥180

≥220

≥260

30≤D≤120

30≤D≤120

30≤D≤120

30≤D≤120

≥450

≥500

≥600

≥700

125≤D≤350

125≤D≤350

125≤D≤350

125≤D≤350

≥400

≥420

≥550

≥650

Hardness HB

140-190

170-220

180-260

130-180

140-200

150-220

180-260

Elongation%

-

-

-

30≤D≤120

30≤D≤120

30≤D≤120

30≤D≤120

≥10

≥7

≥3

≥2

125≤D≤350

125≤D≤350

125≤D≤350

125≤D≤350

≥7

≥5

≥2

≥1

size

Circular

Φ25-Φ400

Φ25-Φ150

Square

25*25-350*350

      30*30-120*120

Flat square

25*40-25*400

25*40-30*220

Semicircle

R25-R180

R30-R150

Hydraulic valve

Modular valves, combination valves, valves, relief valves,  hydraulic manifold

Hydraulic parts

Piston, cover, cylinder cover, guide sleeve hydraulic motor housing

Air conditioning compressor

Rolling piston rings, piston

Machine tool

Side panels, rear panels, sleeves, pistons, cylinder end caps, columns, pressure rings, gears, bushings

Printing Machinery

Mixing the ink roller, ink rails, guides, gear

Textile Machinery

Gears, balance blocks, Oldham, cams, grooved shaft 

Engineering Machinery

Bushings, ring, kava, wear sleeve, ground cover, gears, shafts

Oil drilling

Drillable packer / drillable bridge plug, suction pipe, drill pipe   

Railway vehicles

Bogie bushing, brake system bushings, shaft

Mining Machinery

Wear ring sets, gears, shafts, engine cylinder