ductile iron

Especially in making large cross-section ductile iron parts, the graphite of the casting center is often abnormal.

Ductile iron has the strength properties of steel using similar casting techniques to that of gray iron .

A small apparatus used for simulating cooling environment of heavy section ductile iron castings was developed by authors themselves.

The result shows that this way may be used to measure quenching degree of alloy ductile iron efficiently.

The company mainly produces gray iron, ductile iron, compacted graphite cast iron, heat, cold and corrosion-resistant special castings.

also known as nodular CAST iron and spheroidal graphite iron, ductile iron solidifies with free carbon in a spheroidal graphite from.

Various kinds castings of ductile iron, gray cast iron and alloy cast iron (Main Product is all kinds of elevator fittings).

The structure, property and impact abrasiveness mechanism of a low alloy ductile iron have been studied.

The Hammer-Blow plate and rim are made of tough, shock resistant ductile iron to withstand heavy, valve releasing impact.

In microscopic photos of Ductile Iron, cracks can be seen traveling to a graphite nodule and stopping.

The defects that easy occurred in heavy section ductile iron castings as well as the prevention measures were reviewed.

By comparing fatigue crack with electrosparking crack, the effects of crack tip on fracture toughness of ductile iron have been studied.

Computer is used for the numerical simulation of temperature field of the solidification process of heavy-section ductile iron casting.

The validity of the apparatus to the research on the solidification behavior of ductile iron with heavy section was verified.

Our products are made of steel, ductile iron, wood and recycled plastic.

Ductile iron pipes, fittings, accessories and their joints for sewerage application. Requirements and tests methods.

Ballast using ductile iron punch shot, the normal service life of only about 2 thousand times, need frequent replacement of punch.

The quality of the cooling wall and the properties of the ductile iron are excellent and the product rate of pass comes to more than 98%.

Optimum ductility is obtained with a ferritic matrix, so all NIBCO ductile iron is treated with a ferritizing annealing cycle.

Ductile iron pipes, fittings, accessories and their joints for water pipelines - Requirements and test methods.

The mixed nodulizer can be applied for the key middle and small section casts of ductile iron.

Test pieces of ductile iron were fabricated, their mechanical properties were measured and micro structures were observed.

In many petroleum-related applications where steel valves are normally used, ductile iron valves perform equally well.

These modified graphite nodules provide Ductile Iron with physical properties greater than cast iron and comparable to steel.

FOUNDRY PRODUCTS. DUCTILE IRON PIPES FOR PRESSURE PIPELINES. POLYURETHAN EXTERNAL COATING.

The main production techniques and trail-manufacture of alloyed Aaustempered Ductile Iron (ADI) and unalloyed ADI gears are introduced.

A series of ductile iron sample castings were poured and dissected to determine the volume of shrinkage cavity of sample castings.

Ductile iron pipes, fittings, accessories and their joints for gas pipelines. Requirements and test methods.

Increasing the intensity of mold and the baking temperature could reduce casting rejects and improve the quality of ductile iron castings.

Phase or microstructure analysis of steel, grain size, inclusion, gray cast iron and ductile iron, cemented carbide test etc.

The preparation, value assignment and the application of the Re-Mg ductile iron CRM was systematically studied.

Because ductile iron usually costs less than cast steel, yet offers comparable strength, it is more economical.

The behavior of Ba, Ba Ca in ductile iron was analyzed from the angle of the thermodynamics and crystallography.

The producing process of a kind of micro-chill suitable for suspension casting of heavy section ductile iron is briefly described.

Measures flow through most metal and plastic pipes including PVC, ductile iron, carbon steel and stainless steel.

By controlling knock-out time, bainite structure was obtained in the as - cast low - carbon ductile iron cast with EPC process.

Precisely cast ductile iron gear has advantages of low noise, high abrasion resistance index and long service life.

The nodules of carbon are, in large part, what give ductile iron its exceptional ductility and shock resistance.

In Ductile Iron, this graphite flake is modified by a specialized treatment process to form tiny spheres or nodules.

the process of continuous casting to produce ductile iron tubes is analyzed and investigated comprehensively.

These graphite spheroids are know as "crack arresters" in the Ductile Iron industry because of their ability to stop cracks in their tracks.

This study investigated the relationship between high-cycle fatigue strength of austempered ductile iron (ADI) and cast section size.

Ductile Iron is a good choice for general service , fire protection and Hi-rise applications.

TINDER can provide alloy casting, gray iron casting, ductile iron casting, and, steel casting etc.

The centrifugal compound casting process of needle-like bainite ductile iron roller was establish in this paper.

Austempered ductile iron ADI has high strength and ductility and is being gradually put into use .

The invention discloses a method for reducing the titanium content in ductile iron liquid iron.

We are a small gray & ductile iron foundry, plus machine shop including an OEM line for sale.

Appliable experiments showed that rare earth catalyzed carbonitriding prolong the life span of the crankshaft made of ductile iron by 10%.

The qualility of the ductile iron pipe produced from the desulfurized base iron was obviously increased.

The graphite globularity quality of ductile iron with fracture toughness has been discussed.

This advantage can reduce the mold wall movement caused by the graphitization expansion of ductile iron casting.

When producing ductile iron, the graphite morphology in cast iron often changes.

NIBCO is the largest United States manufacturer of pressure rated Ductile Iron Valves.

In Petroleum, Chemical and Marine applications, Ductile Iron Does it!

The cylinder is made by the ductile iron, improve the cylinder pressure strength and wear resistance.

This has introduced the casting process of thick section ductile iron mould with high strength.

The feederless foundry method for a large ductile iron gear wheel was described.

From this result, it is suggested to use comprehensive hot plasticity to evaluate hot plastic deformability of ductile iron.

NIBCO Ductile Iron Valves are an excellent, readily available alternative for cast steel valves.

In ductile iron trace element levels should be as low as possible.

In short, we don't buy our ductile iron castings from an outside supplier, domestic or foreign.

NIBCO ductile iron products are examined at each step of their manufacture to assure quality.

Casting include ductile iron casting and gray iron casting.

The impact abrasive properties of as-cast bainitic low-carbon ductile iron were investigated.

Sulfurizing soft-nitriding process of ductile iron was studied.

Thus Ductile Iron valves can easily replace cast iron or steel valves.

A new way of directional cooling quenching has been used to study hardenability of alloy ductile iron.

The ribbed stave cooler made by QT400-18 ductile iron are employed in the middle and lower part of the BF stack.

Note: Valve of Ductile Iron Body and Bonnet is available on request.

Cast Iron bodies and Ductile Iron bonnets are standard.

Ductile Iron gate, globe and check valves are excellent choices for 150 psi steam service.

Ductile iron was first developed about 40 years ago as a substitute for steel.

All NIBCO Ductile Iron Valves are tested to MSS requirements in our ISO 9002 quality certified manufacturing plant in Blytheville, Arkansas.

The study was carried out to investigate the effect of alloying elements on wear resistance of heat-resistant ductile iron.

For ductile iron, what is the maximum time limit from nodularization to last mold poured?

Ductile Iron has yield strength of 40K and cast iron has none.

The ductile iron pincer seat made by QT400-15 was found cracks in tensile testing.

Ductile iron regularly produced by NIBCO has a tensile strength in excess of 60, 000 pounds. Yield strength is in excess of 40, 000 pounds.

Ductile Iron has a higher yield strength than cast steel 40K vs. 30K.

All kinds of grey iron and ductile iron castings, such as casting parts of traction machine , pump, motor and auto, etc.

Austempered Ductile Iron(ADI) has many advantages, and it is used in many departments.

As a result, it is feasible that making of ductile iron pipe use of semi-steel.

It is not only vague in concept, but also misleading in improving the production process of ductile iron .

All kinds of gray iron and ductile iron such as pumps, building materials, compressor parts, sewing machine parts, auto parts etc.

The research and production of ADI are concentrated on three problems: (1)requirements for ductile iron used for ADI production;

Effects of Laser Shocking on the Surface Properties of Ductile Iron

Microstructure and Mechanical Properties of Large Diameter Centrifugal Casting Ductile Iron Pipe and Its Annealing Process

Foundry Method Improvement of a Three Cranks Ductile Iron Crankshaft Cast with Sand-Lined Permanent Mould

Standard Practice for Polyethylene Encasement for Ductile Iron Pipe for Water or Other Liquids

Study of Purification and Spheroidization of Heavy Section RE-Mg Ductile Iron in Powder Injection Process

Causation and Preventing-measure for the Elliptical Objection of the Ductile Iron Pipes Made by Centrifugal Casting

Selection and Application of the Pour Trough Used in Ductile Iron Pipes by Centrifugal Casting

Foundry Method Optimizing of a Hi-Pressure Resistant Ductile Iron Casting for Diesel Engine

Standard Specification for Austenitic Ductile Iron Castings for Pressure-Containing Parts Suitable for Low-Temperature Service

Casting of the Ductile Iron Crankshaft Without Riser by the Simultaneous Solidification

The Tensile Properties of Austempered Ductile Iron in Condition of Contact with Water and its Fracture Mechanism

Specification for ductile iron pipes, fittings, accessories and their joints for gas pipelines - Requirements and test methods

Ductile iron pipes, fittings, accessories and their joints for sewerage applications - Requirements and test methods

An Technical Analysis on the Process of Producing Ductile Iron Tubes by Means of Continuous Casting

Techniques of Neural Network Applied to the Prediction of Mechanical Properties of Ductile Iron

Laser Surface Melting Process for Camshaft Made of Ductile Iron

Reasons Causing Cracking Formation in Isothermally Quenched Ductile Iron Camshafts and Prevention Measures

Coating of Pouring Channel for Ductile Iron Pipe in Centrifugal Casting and Its Spraying Technology

Artificial Nerve Networks Application to Fatigue Life of Ductile Iron

EPC Manufacture Technique of Ductile Iron mould and Its Development Status in Domestic and Abroad

Manufacturing Techniques of As-cast Ductile Iron Crankshaft and Its Application

Application of Solidification Simulation in Technology Optimization of Ductile Iron Flywheel

Ductile iron pipes for pressure and non-pressure pipelines; Centrifugal cement mortar lining; General requirements

Factors Affecting Chilling Tendency and Spherical Graphite Amount of Thin Section Ductile Iron Castings

Austenitic Ductile Iron Castings for Pressure-Containing Parts Suitable for Low-Temperature Service (Metric)

Influence of Trace amount of Sb on Microstructure and Mechanical Properties of Ductile Iron and Sb Addition Application

A literature Summary of the Formation and Prevention of Shrinkage Cavity and Porosity in Ductile Iron Castings

Microstructure and mechanical properties of large diameter centrifugal casting ductile iron pipe

Determination of Heat Treatment Process Parameters of the Milling Ball in Low Alloyed Bainite Ductile Iron

Fatigue strength measurement and comparative fatigue characteristics of ductile iron

Proportional Solidification Used in Ductile Iron of Supports for Front Axle

Investigation on Wear-resistant and Heat-resistant Ductile Iron and Development of Head Used in Hot Rolling of Seamless Pipe

Simulation of the Microstructure and Forecasting of the Shrinkage of Ductile Iron Crankshaft

A Copper Alloy Mold Casting Producing Line for Ductile Iron Castings Used in Automobile

Quality Control and Proportional Solidification Technique of Ductile Iron Segment Casting

Ductile iron pipes; Centrifugal cement mortar lining; Composition controls of freshly applied mortar

Process Study of Controlled Cooling to Get Bainite Matrix of Ductile Iron

Study of Influence Factors on Surface Blowhole in Ductile Iron Casting

Standard Specification for Ferritic Ductile Iron Castings Suitable for Low-Temperature Service

Engineering technical requirements of refinery tube heater heat-resistant ductile iron casting

Ductile iron pipes and fittings - Screwed socket joints - Assembly, sockets, screw rings, sealing rings and slip rings

Countermeasures to Eliminate "Hard White Flakes" in Ductile Iron Components of Loader Differentials

Code of practice for pipelines - Pipelines on land: design, construction and installation - Ductile iron

Ductile iron pipes and fittings - Bolted gland joints - Assembly, sockets, counter ring, sealing ring, bolts and nuts

Manufacture Technique of Hot Molding and Spray Coating Process for Large Diameter Centrifugal Cast Ductile Iron Pipes

Heat Treatment for Whet-ball Made of Bainite Ductile Iron

A Electro-magnetic Method for Predicting on Fatigue Life of Ductile Iron

External corrosion protection of buried pipes; corrosion protection systems for ductile iron pipes

Ductile iron pipelines; hydrostatic testing after installation

Design of Gating System Using Moduli Calculation Method to Avoid Casting Defect of Ductile Iron Oil Cylinder

Using Pressure-Controllable Feeder to Eliminate Shrinkage Defect of Ductile Iron Crankshaft

Casting Defects and Prevention of a Ductile Iron Clamper Body

Research and production of new lower-alloy air quenching bainite ductile iron grinding

An Ultrasonic Testing System for Spheroidization Rate of Ductile Iron

Influence of the Pearlite Content on Fatigue Characteristics of Ductile Iron

The Research on the Martensite Ductile Iron Grinding Balls and Their Industrial Application

Influence of Chemical Composition Change on Spheroidization Quality of Ductile Iron Pipe

Experimental Study on Improving Wearability of Ductile Iron by Laser Compound Processing

Standard Specification for Austenitic Ductile Iron Castings

A Study of Rare Earth Element Coating on Heavy Ductile Iron Casting

Proportion Solidification Technique of Blade Carrier by Heavy Section Ductile Iron

Ferritic Ductile Iron Pressure-Retaining Castings for Use at Elevated Temperatures

Formation Reason and Prevention of Shrinkage Depression Defect of Ductile Iron Castings

Analysis and Countermeasure of Common Defects of the Ductile Iron Castings

Heavy Compound Ductile Iron Work Roller Manufacturing by Centrifugal Casting

Effect of Chemical Composition and Inoculation on Material Quality of Chilled Ductile Iron Camshaft

Mn Segregation in Unalloyed Austempered Ductile Iron and Its Influence on Properties

Application of Heat-resistant Ductile Iron Containing Molybdenum

Ductile iron pipes, fittings, accessories and their joints for water or gas applications

Water lines are usually cast iron or ductile iron with copper water service lines;

Properties of Ductile Iron Modified by Laser Surface Hardening with Optical Changing of Laser Beam

Application of Numerical Simulation to Eliminate Shrinkage Hole in the Ductile Iron Hub Casting

World Conference on ADI - Conference on Austempered Ductile Iron for Casting Producers, Suppliers and Design Engineers

Influence of Austempering Temperature on Water Embrittlement Behavior of Austempered Ductile Iron

The Production Technology of Ductile Iron Crankshaft with Large-section and High Strength

Abnormal Structure Analysis of Ductile Iron Castings Produce with Furan Resin Sand Moulds

Molten ductile iron used in different fields by adding alloy

Main factors that cause gas holes in ductile iron parts cast with lost-wax molding and improvement measures

Formation Cause Analysis and Prevention of Chunky Graphite of Heavy Section Ductile Iron

Study on Prediction of Graphite Degeneration Tendency of Heavy Section Ductile Iron Melt

Exploitation on Crankshaft Material of As-cast High Strength Toughness Ductile Iron

Effects of Alloying Elements on Corrosion Wear Behavior of Martensitic Ductile Iron

Design of Gating and Feeding System without Riser to Produce the Oil Cylinder of Ductile Iron

Heating Treatment and Application of Austempering Ductile Iron

Application of Ductile Iron Cast Roller in Roller Beds near the Mill

The Effects of Material Grade to the Bending Fatigue Strength of Ductile Iron Crankshaft

Water Treatment - Flanged Ductile-Iron Pipe With Ductile-Iron or Gray-Iron Threaded Flanges

Industrial Production of the EPC Low Carbon Ductile Iron Grinding Ball

Application of Pressed Block Nodulizer in Large Size Centrifugal Ductile Iron Pipe

Microhardness Distribution of Ductile Iron Modified by Laser with Space Array

Research on Segregating Behavior of Si and Mn Elements in Austenitic Dendrites of Ductile Iron

Process Research on the Isothermal Quenching of Ductile Iron of Austenite and Bainite

polyethylene encasement for ductile - iron pipe systems

Cement mortar coatings for ductile iron pipes; requirements and testing

Effect of Si in Base Iron on Graphite Morphology and Mechanical Properties of Heavy Section Ductile Iron

Design and Research of the Zinc-spraying Machine for Spraying the External Surface of Ductile Iron Pipes

Estimate of Application Prospect of Ductile Iron Crankshafts

Installation of Ductile-Iron Water Mains and Their Appurtenances

Electron Microscopy Analysis of Graphite Nucleus in Low Carbon Ductile Iron

Standard Specification for Ductile Iron Castings for Paper Mill Dryer Rolls

Productive Technology of As Cast Compound High Ductile Ferrite Ductile Iron

Contrast on laying length and weight of pipes per mile between ductile iron pipes and grey iron pipes

Mass Production of Automobile Ductile Iron Casting With EPC Technology

Feeding Design of Gating System and Riser for the Slide Rail Casting of Ductile Iron

Summarization of Using Some Shanxi Local Pig iron to Produce Ductile Iron Bars

Analysis and Disposal of Air Bubble Defect of Polyurethane Coating of Ductile Iron Pipe

Specification for seal coats on cement mortar lined ductile iron pipes and fittings

Compound Centrifugal Casting Process of Needle-like Bainite Ductile Iron Roller

Ductile iron pipes. Fittings and accessories for water or gas applications

Cement mortar inner lining for centrifugal ductile iron pipes and fittings

Production and Quality Control of Ductile Iron Parts in Investment Casting

Quality Improvement of Large Centrifugal Ductile Iron Pipes

A Method on Computer Prediction of Shrinkage Defect of Ductile Iron Casting by EPC Process

Analysis of factors influencing slag defects in ductile iron castings

High Quality Ductile Iron Casting Manufactured by Duplex Melting

Production of Combination Pattern for Ductile Iron Pipe Fittings

Production Technology on Ductile Iron Double-groove Hub Castings

Ductile iron pipes and fittings - Push-in joints - Survey, sockets and gaskets

Heat Treatment Process of Knives for rotary tilling machine of Medium Manganese Ductile Iron

Some Tips When Using Injection Feeding Technology to Treat the Molten Ductile Iron

Embrittlement of Ductile Iron Exposed to the Water Environment

The Vertical Molding Process of Differential Carrier Casting with Ductile Iron

Discussion of Important Questions on Applications and Manufacture of Bainitic Ductile Iron

Reference Radiographs for Ductile Iron Castings

Influence of Copper and Silicon on Mechanical Properties for As-cast Ductile Iron

The Desulphurization Technique of Cored Wire for Liquid Ductile Iron

Study on characteristics of damage mechanics of ferrite ductile iron

Standard Specification for Ductile Iron Gravity Sewer Pipe

An Investigation on Mechanical Properties of High Toughness Austempered Ductile Iron

Standard Index of Specifications for Ductile-Iron Pressure Pipe

Standard Specification for Austempered Ductile Iron Castings

Several Main Issues in Production of Heavy Section Ductile Iron Castings

Ductile iron fittings for PVC-U or PE piping systems - Requirements and test methods

Improvement of the analysis on magnesium in ductile iron

Application of Wear- resisting Ductile Iron in Pulp Millstones

Influence of Process Factors on Elongation of As-Cast Hi-Toughness Ductile Iron

Study and Production of As-cast Ductile Iron Big Gear with High Hardness Tooth Surface

The research on thin wall as-cast ferritic ductile iron casting produced in metal mold

Effects of Copper on Structure and Properties of Boron-Bearing Ductile Iron

Analysis on Microstructure of Quasi-as-cast Bainite Low Carbon Ductile Iron

Research on embrittlement of fracture toughness in Austempered Ductile Iron by contact with water

Study on the Manufacturing Procedure of Cast Ferritic Ductile Iron

Study on the Microstructure and Properties of the As - cast Ferrite Ductile Iron by Use of the Permanent Mould

Production of High Strength As-cast Automobile Ductile Iron Crankshaft with Sand-liened Metallic Mold

Shanghai Automotive Ductile Iron Foundry

The Experiments of Ductile Iron Spheroidized by Injection Desulphurizer

Influence of Silicon on Continuous Cooling of Bainite Ductile Iron

Interconnection of Ductile Iron Pipe with Pipe of Another Material

Corrosion Wear Behavior of Martensitic Ductile Iron

Disassembly of oil plug from 240 ductile iron crankshaft improvement of fault- detection process

Micro-Process of Fracture and Mechanism of Strengthening, Toughening for Austempered Ductile Iron

Dynamic Model of Pearlite Transformation In Ductile Iron

In this paper, the effect factors that affect the stability of retained austenite in austenitic-Bainitic Ductile Iron were studied;

Application of Teeming Pressed on the Edge in Ductile Iron Production

Study and Production Practice on Increasing Ductility of Austempered Ductile Iron

Research on Large Ductile Iron Cylinder Block with High Precision

Ductile iron products for sewage applications

Key points for construction of casting ductile iron pipe with T-interface

Ductile Iron Wedge Cast in Permanent Mould with Resin- Coated Sand Facing

Casting Process for Large Thick-Section Ductile Iron Housing

Microstructure Analysis of Low Carbon Ductile Iron

Effect of Graphite Nodule Diameter on the Water Embrittlement Behavior of Austempered Ductile Iron

Research and Production of an Austempered Ductile Iron Gear

The Research and Application of Ductile Iron's Magnetic Property