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  JIS G5502 FCD700 Ductile Cast Iron  
 

JIS G5502 FCD is Japanese International Standard for ductile iron.

FCD 700 is one of widely used ductile irons for automotive component material due to its good machinability along with its superior tensile and yield strengths.

Metal properties of JIS G5502 FCD700 ductile cast iron:
Very fine pearlite ductile iron, or by normalization process, or quenched and tempered Martensite, it has high strength and hardness, but poor ductility and toughness.

Application Examples of JIS G5502 FCD700 ductile cast iron:
Crankshaft, camshaft of diesel engine and gasoline engine, partial grinder, milling machine, spindle of lathe, gear shaft of ball mill, spindle of small water turbine, etc.

The Chemical Properties of JIS G5502 FCD700 Ductile Cast Iron:

Chemical composition in % for JIS G5502 FCD700 ductile cast iron

C

Si

Mn

P

S

Mg

Re

3.5~4.0

2.0~2.6

0.5~0.9

≤0.03

≤0.05

0.035~0.065

0.035~0.065

This range can not be taken as the standard of inspection, unless there is special requirement. All foundries could adjust their chemical composition as long as they could meet the mechanical requirements of standards.

The Mechanical Properties of JIS G5502 FCD700 Ductile Cast Iron:

Mechanical properties of separate cast test sample

Symbol of grade

Tensile strength N/mm2

Yield strength N/mm2

Elongation
%

Information reference

Hardness HB

Matrix structure

FCD700-2

700 min.

420 min.

2 min.

180-300

Pearlite

Remarks:
1. separate cast test sample A test sample casted per each batch by using a sand mold separated from iron castings.

Equivalent Grades of JIS G5502 FCD700 Ductile Cast Iron:

Country

Standard

Material Grade

ISO

ISO 1083

GRADE 700-2

China

GB 1348

QT700-2

USA

ASTM A536

100-70-03

Germany, Austria

DIN 1693

GGG70

European

EN 1563

EN-GJS-700-2

Japan

JIS G5502

FCD700

Italy

UNI 4544

GS700-2

France

NF A32-201

FGS700-2

UK

BS 2789

700/2

Spain

UNF

FGE70-2

Belgium

NBN 830-02

FNG70-2

Australia

AS 1831

GRADE 700-2

Sweden

SS 14 07

0737-01

Norway

NS11 301

SJK-700

 

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