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Sand Casting Grey Cast Iron Grades FG300 Gray and Ductile Iron Foundry

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Sand Casting Grey Cast Iron Grades FG300 Gray and Ductile Iron Foundry

Sand Casting Grey Cast Iron Grades FG300 Gray and Ductile Iron Foundry
Sand Casting Grey Cast Iron Grades FG300 Gray and Ductile Iron Foundry Sand Casting Grey Cast Iron Grades FG300 Gray and Ductile Iron Foundry Sand Casting Grey Cast Iron Grades FG300 Gray and Ductile Iron Foundry

Large Image :  Sand Casting Grey Cast Iron Grades FG300 Gray and Ductile Iron Foundry

Product Details:

Place of Origin: China
Brand Name: Non-Standard
Certification: ISO9001; TS16949
Model Number: Custom-built

Payment & Shipping Terms:

Minimum Order Quantity: 1 Ton
Price: quote according to different drawing technique requirements
Packaging Details: Plywood crate + VCI Anti-Rust Bag
Delivery Time: within 60 days
Payment Terms: T/T, L/C
Supply Ability: 300 Tons every month
Detailed Product Description
Material: Grey/Gray Iron HT200 Process: Green Sand Casting Process
Machining: CNC Machining Surface: Anti-Rust Oil
Packing: Plywood Crate + VCI Anti-Rust Bag Used For: Pump Industry
High Light:

gray cast iron

,

grays casting

Sand Casting Grey Cast Iron Grades FG300 Gray and Ductile Iron Foundry
 
 
Product Description and Process
 
Grey Cast Iron Grades FG300 Sand Castings Supplies Gray and Ductile Iron Foundry
 
Production process: green sand molding, pre-coated sand molding and resin sand molding which can produce iron castings from 50 gram to 2000 kilograms
 
Machining process: CNC machine, machining center, lathe, mill machine, drill machine, etc.
 
Surface treatment process: paint coating, electrophoretic coating, electrogalvanizing coating, black oxide coating, powder coating, etc.
 
Product Material and Uses
 
Normally produce with gray iron HT200, HT250, ductile iron 65-45-12, 60-40-18, 80-55-06, 80-60-03, etc.
 
The grey/gray 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.
 
Grey iron castings application:
 
There are more pounds of grey iron castings produced every year throughout the world than any other type of casting. Just about every manhole cover is from grey iron and the disc brakes on your car are most likely grey iron as well. Other common uses as:
Gears
Hydraulic components
Automotive suspension components
Plow shares
Pumps
Linkages
Stove parts
Steering knuckles
Tractor parts
Valves
Truck suspension components
Other truck parts
Wind turbine housings.
Weights and counter-weights
Machinery bases
 
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

HT150500~700150~25060~9070~90
HT200600~800200~3002~580~9080~110
HT250800~1000250~3504~8100~140100~130
HT3001000~1200300~4507~10120~160120~140
HT3501100~1300350~5009~11140~180130~160

 
Grey Iron Castings Hardness

Gray Iron GradeHardness Grade

Hardness Range
HB

Metallography
HT100H145≤170Ferrite
HT150H175150~200Ferrite + Pearlite
HT200H195170~220Pearlite
HT250H215190~240Pearlite
HT300H235210~260Pearlite(Inoculated Cast Iron)
HT350H255230~280Pearlite(Inoculated Cast Iron)

 
Gray Iron Casting heat treatment

Casting Unit Weight
kg

Starting Temperature
/οC

Heating Speed
/(οC/h)

Preservation Temperature/οC

Heat Preservation Time
/h

Cooling Speed
/(οC/h)

Final Temperature
/οC

Cast IronLow Alloy Cast Iron
Simple Castings
<200≤200≤100500~550550~5704~630200
200~2500≤200≤80500~550550~5706~830200
>2500≤200≤60500~550550~570830200
Precision Castings
<200≤200≤100500~550550~5704~620200
200~2500≤200≤80500~550550~5706~820200

 
 
 
 
Gray Iron Casting, no any standard mentioned the chemistry composition, so we only suggest the following chemistry based on actual production.
 

Grade

Wall Thickness
/mm

CSiMn

P

S

HT1003.4~3.92.1~2.60.5~0.80.30.15
HT150

<30
30~50
>50

3.3~3.5
3.2~3.5
3.2~3.5

2.0~2.4
1.9~2.3
1.8~2.2

0.5~0.8
0.5~0.8
0.6~0.9

0.2
0.2
0.2

0.12
0.12
0.12

HT200

<30
30~50
>50

3.2~3.5
3.1~3.4
3.0~3.3

1.6~2.0
1.5~1.8
1.4~1.6

1.7~0.9
0.8~1.0
0.8~1.0

0.15
0.15
0.15

0.12
0.12
0.12

HT250

<30
30~50
>50

3.0~3.3
2.9~3.2
2.8~3.1

1.4~1.7
1.3~1.6
1.2~1.5

0.8~1.0
0.9~1.1
1.0~1.2

0.15
0.15
0.15

0.12
0.12
0.12

HT300

<30
30~50
>50

2.9~3.2
2.9~3.2
2.8~3.1

1.4~1.7
1.2~1.5
1.1~1.4

0.8~1.0
0.9~1.1
1.0~1.2

0.15
0.15
0.15

0.10
0.10
0.10

 

Contact Details
Zhengzhou Yu-Long Machinery Equipment Co., Ltd.

Contact Person: Mr. James Wang

Tel: +86 13213152686

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