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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...
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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