Shell Mould Casting

Shell Mould Casting

Impeller Shell Mould Castings Precision Castings Manufacturer Good Appearance Product Description and Process Impeller Shell Mould Castings Precision Castings Manufacturer Good Appearance Production process includes: green sand casting process pre-coated sand casting process resin sand casting...

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Impeller Shell Mould Castings Precision Castings Manufacturer Good Appearance

Product Description and Process

Impeller Shell Mould Castings Precision Castings Manufacturer Good Appearance


Production process includes:

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 Ductile Iron Used For? (Applications)

Ductile iron is great for use where you need strong metal with wear resistance.

Here is a sample list of things made from or contain ductile iron:

Pipe and pipe fittings (almost 50% of ductile iron sold in the US is for pipe and fittings)

Axles

Connecting rods (like in engines)

Crankshafts

Cylinders

Disc brake calipers

Gears and Gear Boxes

Housings and manifolds

Hydrostatic Barrels

Idler arms

Large Machines

Machine Tooling

Military uses

Piano Harps (the part that holds the strings of a piano)

Spindle supports

Steering knuckles

Suspension system parts

Truck axles

Valves (especially high-pressure valves)

Wheel hubs

Yokes for power transmission


Common Ductile Iron Grades

While there are many different ductile iron specifications, foundries routinely offer 3 common grades

Physical and Mechanical Properties

ASTM A536,

Grade 60-40-18

ASTM A536,

Grade 65-45-12

ASTM A536,

Grade 80-55-06

Tensile Strength, min, psi

60,000

65,000

80,000

Tensile Strength, min, MPa

414

448

552

Yield Strength, min, psi

40,000

45,000

55,000

Yield Strength, min, MPa

276

310

379

Elongation in 2 in. or 50 mm, min %

18

12

6

Density lb/in3

0.256

0.256

0.256

Density g/cm3

7.1

7.1

7.1

Melting Temperature (Degrees F)

2,100 – 2,190

2,100 – 2,190

2,100 – 2,190

Melting Temperature (Degrees C)

1,150 - 1,200

1,150 - 1,200

1,150 - 1,200

Compressive Strength Ksi

429

429

429

Compressive Strength MPa

2960

2960

2960

UNS

F32800

F33100

F33800


ISO 1083 1987 (International)

Grade

Tensile strength

σb≥/Mpa 

Yield strength

σ0.2≥/Mpa 

Elongation

δ≥(%) 

Hardness

HBS 

900-2

900

600

2

280~360

800-2

800

480

2

245-335

700-2

700

420

2

225~305

600-3

600

370

3

190~270

500-7

500

320

7

170~230

450-10

450

320

10

160~210

400-15

400

250

15

130~180

400-18

400-18 AL*

400

250

18

130~180

350-22

350

220

22

≤150

*Low temperature V notch impact tested (-20±2℃) 


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