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100-70-03 80-55-06 Ductile Cast Iron Pre-Coated Sand Castings Process

Categories Ductile Cast Iron
Brand Name: non-standard
Model Number: customized
Certification: ISO9001; TS16949
Place of Origin: China
MOQ: 1 Ton
Price: quote according to drawing technical requirements
Payment Terms: T/T, L/C
Supply Ability: 300 Tons every month
Delivery Time: within 60 days
Packaging Details: Plywood crate + VCI Anti-Rust Bag
Name: Ductile Cast Iron
Material: 100-70-03 80-55-06
Machining Process: CNC Machining
Surface Treatment: shot blasting
Packing: anti-rust bag + wooden crate
Application: Auto Parts
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100-70-03 80-55-06 Ductile Cast Iron Pre-Coated Sand Castings Process

100-70-03 80-55-06 Ductile Cast Iron Pre-Coated Sand Castings Process


Product Description and Process

1. Green Sand Casting ASTM A536 65-45-12 Ductile Iron Sand Casting Cast Iron Foundry

2. Production process:

moulding machine green sand castings process

pre-coated sand castings process

resin sand castings process

automatic production line production process


3. Weight Range: from 50 gram to 2000 kilograms


4. Sand moulds making: by handwork, by moulding machine, by shell molding machine, by automatic molding production line.

5. Machining process: CNC machine, machining center, lathe, mill machine, drill machine, etc.

6. Surface treatment process: paint coating, electrophoretic coating, electrogalvanizing coating, black oxide coating, phosphate coating, powder coating, etc.


Ductile Iron Grade Chart
ASTM A536 1993 (USA)

GradeTensile Strength
σ≥/Mpa
Yield Strength
σ≥/Mpa
Elongation
δ≥(%)
ANSI/ASTMUNS
60-40-18F3280041427618
65-45-12F3310044831012
80-55-06F338005523796.0
100-70-03F348006894833.0
120-90-02F362008276212.0
Special Purpose
60-42-1041529010
70-50-054853455.0
80-60-035554153.0


GB/T 1348 1998 (China)


Grade

Tensile strength

σb≥/MPa

Yield strength

σ0.2≥/MPa

Elongation

δ5≥(%)

Hardness

HBS

QT400-18

QT400-18-LT*

40025018130~180
QT400-1540025015130~180
QT450-1045031010160~210
QT500-75003207170~230
QT600-36003703190~270
QT700-27004202225~305
QT800-28004802245~335
QT900-29006002280~360

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


EN 1563 1997 (European Standard)

GradeTensile Strength
σ≥/Mpa
Yield Strength
σ≥/Mpa
Elongation
δ≥(%)
SymbolNumber
EN GJS 350-22EN JS101035022022
EN GJS 350-22-LT*EN JS101535022022
EN GJS 400-18EN JS102040025018
EN GJS 400-18-LT*EN JS102540024018
EN GJS 400-15EN JS103040025015
EN GJS 450-10EN JS104045031010
EN GJS 500-7EN JS10505003207
EN GJS 600-3EN JS10606003703
EN GJS 700-2EN JS10707004202
EN GJS 800-2EN JS10808004802
EN GJS 900-2EN JS10909006002

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


Nodular cast iron


Nodular cast iron is a high-strength cast iron material developed in the 1950s. Its comprehensive properties are close to steel. It is based on its excellent properties that it has been successfully used to cast some complex components which ask for high forces, strength, toughness, and wear resistance.
Nodular cast iron is obtained by spheroidization and inoculation treatment to obtain nodular graphite, which effectively improves the mechanical properties of cast iron, especially the plasticity and toughness, thereby obtaining higher strength than carbon steel.


Green Sand Molding Process


Green sand molding is by far the most diversified molding method used in the current casting processes. The process uses a mould made of compacted moist sand. The term “green” denotes the presence of moisture in the molding sand and indicates that the mold is not dried. The mold material consists of silica sand mixed with a suitable bonding agent “clay” and moisture.

To produce the mold, usually a metal frame, although wood may be used for some processes and types of castings, is placed over the pattern to produce a cavity representing one half or one part of the casting. Compaction is achieved by either jolting or squeezing the mold. The other half of the mold is produced in a like manner and then the two halves or three parts are positioned together to form the mold.

If the casting has hollow sections, a core consisting of hardened sand (baked or chemically hardened) is used. Cores are located in pockets formed by projections on the pattern equipment to produce core prints. Should extra support for the cores be required, chaplets or spacers are properly positioned to maintain the required dimension. These will fuse with the molten metal when the casting is poured. This type of molding is the best known of all the sand casting molding methods, as the molds may be poured without further conditioning. This type of molding is also most adaptable to light, bench molding for medium sized castings or for use with production molding machines.


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