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  Material Table of Grey Iron and Ductile Iron  
 

Grey iron or gray iron was the original "cast iron". It is an alloy of carbon, silicon, and iron, containing from 1.7 to 4.5% C and 1.0 to 3.0% Si. It is relatively easy and inexpensive to make. Compared to the more modern engineered irons, gray iron has a lower tensile strength and lower ductility.

The following comparison table is for various grey iron material grades worldwide.

Standard

Grey Iron Grade

China

HT350

HT300

HT250

HT200

HT150

HT100

Japan

FC350

FC300

FC250

FC200

FC150

FC100

ASTM A48

NO.60

NO.50

NO.45

NO.35

NO.30

NO.20

GOST 1412

CЧ40

CЧ35

CЧ30

CЧ25

CЧ20

CЧ15

CЧ10

DIN 1691

GG40

GG35

GG30

GG25

GG20

GG15

ITALY

G35

G30

G25

G20

G15

G10

France

FGL400

FGL350

FGL300

FGL250

FGL200

FGL150

BS

350

300

250

200

150

100

Poland

Z140

Z135

Z130

Z125

Z120

Z115

IS 6331

FG400

FG350

FG300

FG260

FG200

FG150

Romania

FC400

FC350

FC300

FC250

FC200

FC150

Spain

FG35

FG30

FG25

FG20

FG15

Belgium

FGG40

FGG35

FGG30

FGG25

FGG20

FGG15

FGG10

Australia

T400

T350

T300

T260

T220

T150

Sweden

O140

O135

O130

O125

O120

O115

O110

Hungary

OV40

OV35

OV30

OV25

OV20

OV15

Bulgaria

Vch35

Vch30

Vch25

Vch20

Vch15

ISO 185

350

300

250

200

150

100

Taiwan

FC300

FC250

FC200

FC150

FC100

Netherlands

GG35

GG30

GG25

GG20

GG15

Luxemburg

FGG40

FGG35

FGG30

FGG25

FGG20

FGG15

Austria

GG35

GG30

GG25

GG20

GG15

 

Ductile iron is a type of cast iron invented in 1943 by Keith Millis. While most varieties of cast iron are brittle, ductile iron is much more flexible and elastic, due to its nodular graphite inclusions.

The following comparison table is for various ductile iron material grades worldwide.

Standard

Ductile Iron Grade

China

QT400-18

QT450-10

QT500-7

QT600-3

QT700-2

QT800-2

QT900-2

Japanese

FCD400

FCD450

FCD500

FCD600

FCD700

FCD800

ASTM

60-40-18

65-45-12

70-50-05

80-60-03

100-70-03

120-90-02

GOST

BЧ40

BЧ45

BЧ50

BЧ60

BЧ70

BЧ80

BЧ100

DIN

GGG40

GGG50

GGG60

GGG70

GGG80

Italy

GS370-17

GS400-12

GS500-7

GS600-2

GS700-2

GS800-2

France

FGS370-17

FGS400-12

FGS500-7

FGS600-2

FGS700-2

FGS800-2

BS

400/17

420/12

500/7

600/7

700/2

800/2

900/2

Poland 

ZS3817

ZS4012

ZS4505 / 5002 

ZS6002

ZS7002

ZS8002

ZS9002

Romania

FGN70-3

Spain

FGE38-17

FGE42-12

FGE50-7

FGE60-2

FGE70-2

FGE80-2

Belgium

FNG38-17

FNG42-12

FNG50-7

FNG60-2

FNG70-2

FNG80-2

Australia

300-17

400-12

500-7

600-3

700-2

800-2

Sweden

0717-02

0727-02

0732-03

0737-01

0864-03

Hungary

GǒV38

GǒV40

GǒV50

GǒV60

GǒV70

Bulgaria 

380-17

400-12

450-5 / 500-2

600-2

700-2

800-2

900-2

ISO

400-18

450-10

500-7

600-3

700-2

800-2

900-2

COPANT

FMNP45007

FMNP55005

FMNP65003

FMNP70002

Finland

GRP400

GRP500

GRP600

GRP700

GRP800

Holland

GN38

GN42

GN50

GN60

GN70

Luxemburg

FNG38-17

FNG42-12

FNG50-7

FNG60-2

FNG70-2

FNG80-2

Austria

SG38

SG42

SG50

SG60

SG70

 


 

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