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Ductile Iron Casting

Ningbo Supreme Machinery Co., Ltd is a professional ductile Iron casting manufacturer and supplier in China.

We have been in this line for more than 25 years, products are mainly exported to USA, Australia, Germany, Italy, Japan, South Africa, etc.


What is Ductile Iron Casting?

It can be obtained by spheroidizing treatment of molten iron of grey iron , and the precipitated graphite is spherical, so we call it ductile iron for briefly. It has higher strength, better toughness and plasticity than common grey cast iron, mainly used in the manufacturing of internal combustion engines, auto spare parts and agricultural machinery.


Ductile Iron Casting Advantage

high strength, ductility, and wear resistance

Lower costs than that of steel casting

Higher production rate

Dimensional accuracy, clear external outline

Smooth surface, good quality

Energy saving, labor saving.


Material Grade

Country

Standard

Equivalent Grades of Ductile iron (SG Iron, Nodular Graphite Iron)

ISO

ISO 1083

400-15

400-18

450-10

500-7

600-3

700-2

800-2

900-2

China

GB 1348

QT400-18

QT450-10

QT500-7

QT600-3

QT700-2

QT800-2

QT900-2

USA

ASTM A536

60-40-18

60-42-10

65-45-12

70-50-05

80-55-06

80-60-03

100-70-03

120-90-02

Germany

Austria

DIN 1693

GGG40

GGG50

GGG60

GGG70

GGG80

European

EN 1563

EN-GJS-400-15

EN-GJS-400-18

EN-GJS-450-10

EN-GJS-500-7

EN-GJS-600-3

EN-GJS-700-2

EN-GJS-800-2

EN-GJS-900-2

Japan

JIS G5502

FCD400

FCD450

FCD500

FCD600

FCD700

FCD800

Italy

UNI 4544

GS370-17

GS400-12

GS500-7

GS600-2

GS700-2

GS800-2

France

NF A32-201

FGS370-17

FGS400-12

FGS500-7

FGS600-2

FGS700-2

FGS800-2

UK

BS 2789

400/17

420/12

500/7

600/7

700/2

800/2

900/2

India

IS 1865

SG370/17

SG400/12

SG500/7

SG600/3

SG700/2

SG800/2

Spain

UNF

FGE38-17

FGE42-12

FGE50-7

FGE60-2

FGE70-2

FGE80-2

Belgium

NBN 830-02

FNG38-17

FNG42-12

FNG50-7

FNG60-2

FNG70-2

FNG80-2

Australia

AS 1831

300-17

400-12

500-7

600-3

700-2

800-2

Sweden

SS 14 07

0717-02

0727-02

0732-03

0737-01

0864-03

Norway

NS11 301

SJK-400.3

SJK-400

SJK-500

SJK-600

SJK-700

SJK-800



Ductile Iron Castings Applications

high strength and high elastic of ductile iron casting can be used in making various products as per following

bearing housing,

brake block,

chassis mount,

wheel hub,

connecting rod bracket,

valve body,

exhaust manifold,

Hydraulic cylinder


Production Process

Sand Casting, Automatic Molding, Shell Molding, Green Sand Casting, Resin Sand Casting

Ductile iron casting in different grades, such as QT400-15, QT400-15, QT450-10, QT500-7, QT600-3, etc




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Nodular Cast Iron Castings

Nodular Cast Iron Castings

Supreme Machinery has has been manufacturing Nodular Cast Iron Castings. These parts are widely used for automotive, motorcycle, agricultural machinery.
Nodular cast iron is a type of cast iron that has high strength and ductility due to the presence of nodules or spherical graphite in its microstructure. Nodular cast iron casting is a common casting process used to manufacture parts that require high strength and wear resistance.

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ASTM A536 65-45-12 Ductile Iron Castings

ASTM A536 65-45-12 Ductile Iron Castings

ASTM A536 65-45-12 Ductile Iron Castings is a ductile iron casting specification that offers high strength, ductility, and impact resistance. This specification describes a specific grade of ductile iron that contains 65,000 psi minimum tensile strength, 45,000 psi minimum yield strength, and 12% minimum elongation.

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Ductile Cast Iron Steering Knuckle

Ductile Cast Iron Steering Knuckle

A steering knuckle is a component of a vehicle's suspension system that helps connect the wheel and tire assembly to the vehicle's frame. Ductile cast iron is a material known for its strength, toughness, and durability. A ductile cast iron steering knuckle therefore makes for an excellent component in a vehicle's suspension system.

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Ductile Cast Iron Forklift Hydraulic Oil Cylinder

Ductile Cast Iron Forklift Hydraulic Oil Cylinder

A forklift hydraulic oil cylinder is a component that is used to provide hydraulic power to the forklift's lifting mechanism. A ductile cast iron forklift hydraulic oil cylinder is a type of cylinder that is made from ductile cast iron, which is a type of cast iron that has improved strength, durability, and ductility due to its microstructure.

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Cast Iron Hydraulic Cylinder Part

Cast Iron Hydraulic Cylinder Part

A cast iron hydraulic cylinder part is a component that is used in hydraulic cylinders, which are often used in heavy-duty industrial equipment and machinery. These parts are used to help transfer hydraulic power to different parts of the machinery.

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Scaffolding Jack Nut

Scaffolding Jack Nut

Ningbo Supreme Machinery is a  professional manufacturer and supplier of formwork and scaffolding system in China. We are designing and supplying all types of formwork and scaffolding accessories including tie rod, tie nut, Scaffolding Jack Nut, water stop,cuplock systems,ringlock system,jack base,prop system and other metal products to meet customers requirements. We have the ability to serve your constructions and industrial needs beyond your expectation.

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Do you want buy Ductile Iron Casting Made in China? Supreme Machinery is definitely your good choice. We are known as one of the most competitive Ductile Iron Casting Manufacturers and Suppliers in China. Customers are satisfied with our products and excellent service. We sincerely look forward to becoming your reliable long-term business partner! Any inquiries and problems please feel free to send emails to us and we will reply you soon.