HT200 Cast Iron Parts

HT200 Cast Iron Parts

Wheel Castings Cast Iron Grade 20 Castings Green Sand Castings Machining Parts Product Description and Process Wheel Castings Cast Iron Grade 20 Castings Green Sand Castings Machining Parts Production process: Green sand casting process pre-coated sand casting process resin sand casting process...

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Wheel Castings Cast Iron Grade 20 Castings Green Sand Castings Machining Parts

Product Description and Process

Wheel Castings Cast Iron Grade 20 Castings Green Sand Castings Machining Parts


Production process:

Green sand casting process

pre-coated sand casting process

resin sand casting process

Weight range: from 50 gram to 5,000 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 grey 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.


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


Grey Iron Castings’other mechanical property

Grade

Compressive Strength

σbc/MPa

Shearing Strength

τb/Mpa

Impact Testing

αKV/(J/cm2)

Safe Range of stress

σ-1/MPa

Modulus of Elasticity

Ε/GPa

HT150

500~700

150~250

60~90

70~90

HT200

600~800

200~300

2~5

80~90

80~110

HT250

800~1000

250~350

4~8

100~140

100~130

HT300

1000~1200

300~450

7~10

120~160

120~140

HT350

1100~1300

350~500

9~11

140~180

130~160


Grey Iron Castings Hardness

Gray Iron Grade

Hardness Grade

Hardness Range

HB

Metallography

HT100

H145

≤170

Ferrite

HT150

H175

150~200

Ferrite + Pearlite

HT200

H195

170~220

Pearlite

HT250

H215

190~240

Pearlite

HT300

H235

210~260

Pearlite(Inoculated Cast Iron)

HT350

H255

230~280

Pearlite(Inoculated Cast Iron)


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