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  Cast Iron Grades and Specification  
 

These are cast iron and ductile iron grades and specification, for customers in different countries, such as USA, UK, Germany, and also international standards.

GRADES AND SPECIFICATION FOR CAST (GREY) IRON

Country

Specification

Designation

150

180

200

220

250

260

300

350

India

IS 210 1978

FG

150

--

200

--

250

--

300

350

United Kingdom

BS 1452 1990

Grade

150

180

200

220

250

--

300

350

USA

ANS/ASTM A48-83

Grade

20A

25A

30A

--

35A

40A

45A

50A

Germany

DIN 1691 1985

GG

15

--

20

--

25

--

30

35

France

NFA 32-101-1987

FGL

150

--

200

--

250

--

300

350

Italy

UNI 5007 1969

G

15

--

20

--

25

--

30

35

Japan

JIS G5501 1981

FC

150

--

200

--

250

--

300

250

Russia

GOST 1412 1979

Sch

15

18

20

--

25

--

30

35

International

ISO 185-1988

Grade

150

--

200

--

250

--

300

350

Hardness BHN

 

 

136-167

 

159-194

 

180-222

 

202-247

227-278

 GRADES AND SPECIFICATION FOR DUCTILE (NODULAR / SPHEROIDAL IRON) 

Country

Specification

Designation

Grades

India

 IS 1865

SG

800/2

700/2

600/3

500/7

420/12

400/18

350/22

United Kingdom

BS2789:1985

 

800/2

700/2

600/3

500/7

420/12

400/18

350/22

USA

ASTM A536-84:1976

 

120-90-02

100-70-03

80-60-03

80-55-06

65-45-12

60-42-10

60-40-18

German

Din 1693-1973

GGG

800/2

700/2

600/3

500/7

400/15

400/18

350/22

France

NF A 32-201:1976

FGS

800/2

700/2

600/3

500/7

400/12

370/17

--

Italy

UNI 4544:1979

GS

800/2

700/2

600/3

500/7

400/12

370/17

--

Japan

JIS G5502:1982

FCD

(80)758/2

(70)686/2

(60)588/3

(50)490/7

(40)392/12

(37)363/17

--

International

ISO 1083:1976

 

800/2

700/2

600/3

500/7

400/12

370/17

Hardness BHN

 

 

248-352

229-302

192-269

170-241

201 max

179 max

160 max

 

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