Ductile iron sand castings for valve parts

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1.  Technology 

(1) Technology Introduction

Sand casting, also known as sand mould casting, is a metal casting process characterized by using and as the mold material. The term "sand casting" can also refer to an object produced via the sand casting process. Sand castings are produced in specialized factories called foundries. Over 70% of all metal castings are produced via sand casting process.

Sand casting is relatively cheap and sufficiently refractory even for steel foundry use. In addition to the sand, a suitable bonding agent (usually clay) is mixed or occurs with the sand. The mixture is moistened, typically with water, but sometimes with other substances, to develop the strength and plasticity of the clay and to make the aggregate suitable for molding. The sand is typically contained in a system of frames or mold boxes known as a flask. The mold cavities and gate system are created by compacting the sand around models, or patterns, or carved directly into the sand.

(2)  Process Parameters

Process :  Resin Sand, Hot Sand, Precoated Sand, Green Sand ,Clay Sand for option.

Weight from 0.5kg to 2,000kg.

Surface Finish:  Polishing, oiled(rust-prevented), zinc-plated, chrome-plated, hot dip galvanized, sandblasting, painting, powder-coating

General Tolerance:  ISO8062-CT12

Surface Roughness:  Ra 12.5

 (3) Material Introduction

Sand casting material ranging from Gray Iron, Ductile Iron, Malleable Iron, Steel, Stainless Steel, Aluminum to Brass.

Commonly used material  :HT100,HT150,HT200,HT250,QT450-1,QT600-3 

2.  Product Introduction

Brand Name: Sunlite

Specification: Customized requirement

Material: Aluminum

Application: Industry

Place of Origin: Shandong, China

Payment Terms: L/C,D/A,D/P,T/T

Packaging: Outer :Non-coniferous wooden package

Inner: Carton box    


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