Grey Iron Casting for Autocars

Grey Iron Casting for Autocars

Pump Castings Grey Iron Casting Manufacturer Per Drawings Or Samples Product Description and Process Pump Castings Grey Iron Casting Manufacturer per Drawings or Samples Production process: green sand casting process pre-coated sand casting process resin sand casting process Weight range: from...

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Pump Castings Grey Iron Casting Manufacturer Per Drawings Or Samples

Product Description and Process

Pump Castings Grey Iron Casting Manufacturer per Drawings or Samples


Production process:

green sand casting process

pre-coated sand casting process

resin sand casting process

Weight range: from 50 gram to 2,000 kilograms for ductile iron casting product


Machining process:

CNC machine, machining center, lathe, mill machine, drill machine, etc.


Surface treatment process:

paint coating, electrophoretic paint coating, electrogalvanizing coating, black oxide coating, phosphate treatment,  powder coating, etc.


Product Material and Uses

Normally production with gray iron HT200, HT250, ductile iron 65-45-12, 60-40-18, 80-55-06, 80-60-03, 100-70-03, etc.

The ductile iron casting products are widely used for Auto-cars, trains, trucks, vehicle components, mining machinery components, agricultural machinery parts, textile machinery parts, construction machinery parts, etc.


What is Grey Cast Iron?

Grey cast iron (a.k.a. gray iron) is a type of iron found in castings known for its grey color and appearance caused by graphite fractures in the material.  Specifically, what makes grey iron “grey iron,” is the graphite flake structure that is created during the cooling process from the carbon that is in the component.

Grey iron is a result of both the materials used and the process used to cast a part.  In other words, the properties of the grey iron will change depending on what materials are melted together to pour into the mold as well as the process that is used for casting (it is primarily the cooling part of the process that defines the characteristics of the cast part versus other parts of the process.).


Grey Iron Specifications, Characteristics & Applications

• ASTM A48: gray iron castings

• ASTM A74: cast iron soil & pipe fittings

• ASTM A126: gray iron castings for valves, flanges & pipe fittings

• ASTM A159: automotive gray iron castings

• SAE J431: automotive gray iron castings

• ASTM A278 & ASME SA278: gray iron castings for pressure-containing parts for temperatures up to 650F (343C)

• ASTM A319: gray iron castings for elevated temperatures for Non-pressure-containing parts

• ASTM A823: statically cast permanent mold castings

• ASTM A834: common requirements for iron castings for general industrial use


Grey Cast Iron Property and Chemical Composition

Single Casting Specimen Tensile Strength Property

Gray Iron Grade

Single Specimen

Tensile Strength

σb≥/Mpa

Gray iron Castings

Wall Thickness

/mm

Tensile Strength

σb≥/Mpa

HT100

100

>2.5~10

>10~20

>20~30

>30~40

130

100

90

80

HT150

150

>2.5~10

>10~20

>20~30

>30~40

175

145

130

120

HT200

200

>2.5~10

>10~20

>20~30

>30~40

220

195

170

160

HT250

250

>4.0~10

>10~20

>20~30

>30~50

270

240

220

200

HT300

300

>10~20

>20~30

>30~50

290

250

230

HT350

350

>10~20

>20~30

>30~50

340

290

260


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