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JIS G5502 FCD400 Ductile Cast Iron

 

The Chemical Properties, Mechanical Properties and Equivalent Grades for JIS G5502 FCD400 Ductile Cast Iron.

The Chemical Properties of JIS G5502 FCD400 Ductile Cast Iron:
No any requirement about chemistry in the JIS G5502 standard, but our Dandong Foundry will suggest the chemistry composition of JIS G5502 FCD400 according to our experience in casting industry. The chemical composition should just be reference, and will not be taken as quality inspection standard.

Chemical composition in % for JIS G5502 FCD400 ductile cast iron

C

Si

Mn

P

S

Mg

Re

3.6~3.8

2.3~2.7

≤0.5

≤0.03

≤0.05

0.03~0.05

0.02~0.03

The Mechanical Properties of JIS G5502 FCD400 Ductile Cast Iron:

Mechanical properties of separate cast test sample

Symbol of grade

Tensile strength N/mm2

Yield strength N/mm2

Elongation
%

Charpy absorption energy

Information reference

Test Temp. oC

Mean value of 3 pieces J

Individual value J

Hardness HB

Matrix structu re

FCD 400-18

400 min.

250 min.

18 min.

23 ± 5

14 min.

11 min.

130 to 180

Ferrite

FCD 400-18L

-20 ± 2

12 min.

9 min.

FCD 400-15

15 min.

-

-

-


Mechanical properties of cast-on test sample

Symbol of grade

Chief thickness of iron casting mm

Tensile strength N/mm2

Yield strength N/mm2

Elongation
%

Charpy absorption energy

Information reference

Test Temp. oC

Mean value of 3 pieces J

Individual value J

Hardness HB

Matrix structu re

FCD 400-18A

Over 30, up to and incl. 60

390 min.

250 min.

15 min.

23 ± 5

14 min.

11 min.

120 to 180

Ferrite

Over 60, up to and incl. 200

370 min.

240 min.

12 min.

12 min.

9 min.

FCD 400-18AL

Over 30, up to and incl. 60

390 min.

250 min.

15 min.

-20 ± 2

Over 60, up to and incl. 200

370 min.

240 min.

12 in.

10 min.

7 min.

FCD 400-15A

Over 30, up to and incl. 60

390 min.

250 min.

15 min.

-

-

-

Over 60, up to and incl. 200

370 min.

240 min.

12 min.

Remarks:
1. separate cast test sample A test sample casted per each batch by using a sand mold separated from iron castings.
2. cast-on test sample A test sample casted by sticking the same kind casting mold as iron casting to a specified position of the casting main body.
3. The letter "L" suffixed to the symbol of grade indicates that the corresponding grade shall have the specified impact strength at low temperature.
4. The letter "A" suffixed to the symbol of grade indicates that the properties are obtained on cast-on test sample.

Equivalent Grades of JIS G5502 FCD400 Ductile Cast Iron:

Japan

JIS G 5502

FCD400-18

FCD400-15

America

ASTM A-536

60-40-18

60-40-15

Europe

DIN 1532

EN-GJS-400-18U

EN-GJS-400-15U

ISO

1083

400-18

400-15

China

GB 1348

QT400-18

-



This article is from our Dandong Foundry's JIS G5502 FCD400 Ductile Cast Iron

 

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