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Tube Bending and Pipe Bending Services Specifications

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Bending Capabilities




   Raw Material Form       
   Your choices are...
 
      
 
   Tube
 
     A hollow, cylindrically shaped object typically used for flow lines for fluids and gases in pneumatic, hydraulic, or process applications, or specialized uses such as medical or food processing.  Tube is generally smaller and less rigid than pipe.
 
   Pipe
 
     A hollow, cylindrically shaped object typically used fluid and solid transport hardware used in many applications and industries.  Pipe is generally larger and more rigid than tube.
 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Cross Section       
   Your choices are...
 
      
 
   Oval
 
     Tube or pipe with an oval cross section.
 
   Round
 
     Tube or pipe with a round cross section.
 
   Square / Rectangular
 
     Tube or pipe with a square or rectangular cross section.
 
   Other
 
     Other, unlisted cross section.
 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Bending Process       
   Your choices are...
 
      
 
   CNC Bending
 
     CNC bending machines are capable of producing tight radius bends, larger radius bends, and elliptical bends, all on the same part.
 
   Hydroforming
 
     Hydroforming equipment uses fluid pressure to form tubular ferrous or nonferrous materials to the shape of a die. This processing form allows for severe shape deformation and generally produces strong parts of uniform thickness.
 
   Mandrel / Rotary-draw
 
     In mandrel bending, also called rotary-draw bending, a mandrel is inserted and positioned into the pipe during bending. As the pipe is bent, the mandrel is pulled through the pipe so that the shape is maintained and the bends are not deformed.
 
   Ram
 
     Ram bending, also called pressure bending, uses a die and hydraulic ram for bending.  The tube is placed in a die and the hydraulic ram, which contains the other half of the die presses into the tube to push it around the radius.
 
   Roll
 
     Roll bending uses three powered rollers in a triangular arrangement.  The center roller applies downward pressure to bend the tube.  The higher the pressure, the sharper the radius.  Roll bending differs from mandrel bending in that the inside of the tube is not supported.
 
   Heat Bending
 
     Tube or pipe is heated prior to bending.  In heat-induction pipe bending, an induction coil is placed around the pipe to be bent.  This section of the pipe is heated to temperatures from 800 °F to 2200 °F.  A bending force is then applied to the tube as it slowly passes through the induction coil.  Other heat methods are also used. 
 
   Sand Packing and Hot Slab Forming
 
     Sand packing and hot-slab bending is an old process where the pipe is packed with sand, the ends capped, and the tube or pipe heated. The sand minimizes collapse and ovality of the pipe.  The temperature and method of heating is may vary depending on the material.  The pipe is then removed from the heat source and bent, with one end secured to a bending slab.  A variation of this process is used on PVC as well as steel tubes and pipes.
 
   Other
 
     Other, unlisted bending process.
 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Specialty Bending       
   Your choices are...
 
      
 
   Coiling
 
     Supplier has capabilities to coil tube for heat exchangers and other applications.
 
   Hypodermic Gage
 
     There are two different types of stainless steel tubing, hypodermic gage and fractional tubing. Fractional tubing is made to common fractional sizes (such as 1/4" OD) and specified in terms of the outside diameter and wall thickness.  Hypodermic, or needle tubing is specified by gage size, which is determined by the OD and wall thickness of the tube.
 
   Thin Wall Bending
 
     Supplier can bend tubing with a very small wall thickness.
 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Outside Diameter / Width
 
     The diameter of the tube or pipe to bend.
 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
Material Capabilities




   Material Capabilities       
   Your choices are...
 
      
 
   Aluminum
 
     A bluish silver-white malleable ductile light trivalent metallic element that has good electrical and thermal conductivity, high reflectivity, and resistance to oxidation.
 
   Brass
 
     Brass comes with good strength, excellent high temperature ductility and reasonable cold ductility, good conductivity, excellent corrosion resistance, good bearing properties and low magnetic permeability.
 
   Carbon Steel
 
     A commercial iron that contains carbon in any amount up to about 1.7 percent as an essential alloying constituent. It is malleable when under suitable conditions, and is distinguished from cast iron by its malleability and lower carbon content.
 
   Copper
 
     Copper tubing may be cut and formed readily and is often used in gas or refrigerant applications.  Copper is a common reddish metallic element that is ductile and malleable and is one of the best conductors of heat and electricity.
 
   Inconel®
 
     Inconel® is a nickel-base alloy with chromium and iron.  Inconel is a registered trademark of Special Metals Corporation.
 
   Nickel Alloy
 
     Will vary per application, as nickel is a constituent of many alloys.
 
   Plastic
 
     Any of numerous organic, synthetic, or processed materials that are mostly thermoplastic or thermosetting polymers of high molecular weight and that can be made into objects, films, or filaments.
 
   PVC
 
     Polyvinyl Chloride (PVC) is a widely used material that has good flexibility, smooth surface, and nontoxic qualities. Some grades are used in food and chemical processes due to the inert nature of PVC. Brand names include: ACP® and Dural® (Alpha Gary), Geon® (Geon), Benvic® (Solvay), Flexalloy® (Teknor Apex).
 
   Stainless Steel
 
     Stainless steel is chemical and corrosion resistant and can have relatively high pressure ratings.
 
   Superalloy
 
     An alloy, usually based on nickel, cobalt or iron, developed for high temperature service where relatively severe mechanical stressing is encountered and where high surface stability is frequently required.
 
   Titanium
 
     Titanium is a hard, lustrous, silvery, element that is relatively abundant in the Earth's crust.  It is known for its lightness, strength, and corrosion resistance.  For this reason it is used widely in the aerospace industry and the medical fields (e.g., replacement joints).  When alloyed with other metals, especially steel, it adds strength and oxidation resistance.
 
   Other
 
     Other, unlisted or proprietary material.
 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
Additional Manufacturing Capabilities




   Additional Manufacturing Capabilities       
   Your choices are...
 
      
 
   Annealing / Heat Treating
 
     Annealing is a heating and cooling operation, usually with a slow cooling cycle.  Annealing may be used to remove stresses, induce softness, and alter ductility, toughness, electrical, magnetic, or other properties.
 
   Buffing / Polishing
 
     Polishing, buffing, and belting processes are metal smoothing operations that change the surface appearance of the metal. These operations can be for aesthetic and/or functional purposes.
 
   Cut to Length
 
     Supplier can cut roll formed material to customer specified lengths.
 
   End Forming
 
     Supplier has capabilities to produce forms on the end of a tube, such as chamfers, flanges, end reduction, end expansion, doming or rounding, beading, and flaring.
 
   End Flattening
 
     Supplier has capabilities to flatten or bend and flatten the end of the tube.  Many flattening variations can be obtained.
 
   Machining
 
     Supplier has machining capabilities.  Machining is the removal of material through milling, turning, drilling, and other processes.
 
   Painting / Powder Coating
 
     Supplier can provide painting to provide a protective and/or decorative coating.  Powder coating is finishing technologies in which dry paint particles are electrostatic ally charged and applied to a smooth surface. Electrostatic attraction holds powder particles on the part surface until heat is added to flow the powder together and cure it. Parts must be electrically conductive. Although powder coating is most widely used on metal parts, recent technological developments have broadened the type of substrates to include glass, special plastics and wood.
 
   Plating / Coating
 
     Applying a coating, or plating to the surface of a tube or pipe.  Examples of plating and coating options include anodizing, galvanizing, zinc plating, copper plating, and nickel plating.
 
   Slotting & Notching
 
     Supplier has capabilities to produce slots or notches in a tube or pipe.
 
   Piercing & Punching
 
     Supplier has capabilities to punch or pierce holes in tube.  The two main styles are dimple hole punching and mandrel hole punching.  In dimple punching, a dimple is created in the tube during the punching operation.  In mandrel punching, a mandrel is placed in the tube during punching to prevent the diameter geometry from being altered.
 
   Swaging
 
     Swaging forms a tube through a rapid series of hammer blows.  Swaging can be used to point, size, reduce, shape, taper, bond or form metal parts, hot or cold.  It is an economical process that does not produce any chips, improves grain structure and produces a fine finish.
 
   Telescopic Tube
 
     Supplier has capability to produce telescoping tubes, usually with a spring locking pin or other locking mechanism.
 
   Welding / Brazing
 
     Supplier has capabilities to perform welding or brazing operations.
 
   Other
 
     Other, unlisted manufacturing capabilities.
 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
Application




   Application       
   Your choices are...
 
      
 
   General Purpose
 
     Rated for general fluid transfer. Can be used in a variety of applications.
 
   Aerospace
 
     Suitable for aerospace applications.
 
   Automotive
 
     Use in automobiles, trucks, and other vehicles, or rated to automotive standards or specifications.
 
   Chemical (General)
 
     Rated for use with general, non-caustic chemicals.
 
   Chemical (Corrosive / Solvent)
 
     High degree of resistance to corrosive substances such as acids and solvents.
 
   Compressed Air
 
     Rated for compressed air.
 
   Coolant
 
     Designed for use with machine or process coolants, cutting fluid, etc.
 
   Cryogenic
 
     Extreme low temperature applications.
 
   Food Processing
 
     Designed and rated for use with food processing applications.
 
   High Temperature / Heating Fluids
 
     Material and design suited for use at high ambient temperatures, high fluid temperatures, or for use with heating fluids.
 
   HVAC
 
     Tubing or pipe for air conditioning, heating and other uses for the HVAC industry.
 
   Hydraulic Fluid
 
     Designed for transport of hydraulic power fluid.
 
   Marine
 
     Rated for marine / salt water applications.
 
   Medical / Pharmaceutical
 
     For use with pharmaceutical chemicals or medical / surgical fluids.
 
   Oil / Fuel
 
     Rated for use with petrochemicals such as engine oil, gasoline, diesel, and specialized fuels.
 
   Pipeline
 
     Supplier can bend pipe for pipeline applications.
 
   Refrigerant
 
     Suitable for use with refrigerants in cooling systems.
 
   Sanitary
 
     Resistant to contaminants and fluid absorption.
 
   Slurry
 
     Slurry is a mixture of solid particles and a liquid, usually water. Slurry tubing is rated to resist the abrasion associated with its transport.
 
   Building / Structural
 
     Tube or pipe for building construction and other structural applications.
 
   Vacuum
 
     Rated for air at less than atmospheric pressure.
 
   Water
 
     Rated for water delivery (hot or cold).
 
   Other
 
     Other unlisted, specialized, or proprietary application.
 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
Support and Production Services




   Support and Production Services       
   Your choices are...
 
      
 
   Assembly Services
 
     Supplier services include assembly of components.
 
   CAD / CAM Support
 
     Vendor has the computer technology to receive solid model files electronically and use those files for part creation.
 
   Design Assistance
 
     Supplier can assist with concepts, manufacturing costs, manufacturing techniques and material considerations. Supplier may also be able to assist in upgrading or redesigning, re-evaluating or modernizing existing products to increase performance and/or reduce manufacturing costs. Some suppliers offer material sourcing and CAD modeling as well.
 
   Prototype
 
     Supplier can create prototypes to lend substance to ideas or investigate true manufacturing costs.
 
   Low Volume Production
 
     Supplier is capable of performing low volume production runs; typically means a production run time of less than one week.
 
   High Volume Production
 
     Supplier is capable of performing high volume production runs; typically means a production run time of over one week.
 
   Just-In-Time Capability
 
     Supplier has Just-In-Time manufacturing capability of parts in order to reduce need for inventory maintenance.
 
   Packaging / Shipping
 
     Supplier provides packaging and shipping capabilities including bulk shipment to facility for further processing or final packaging and shipping of product or device directly to the individual end customer.
 
   Other
 
     Other unlisted support of production service.
 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
Certification / Quality Requirements




           
   Your choices are...
 
      
 
   AS9100
 
     SAE AS9100 is the standard for aerospace manufacturers. It includes ISO 9000 plus additional requirements by the industry.
 
   ISO 9001:2000
 
     ISO 9001:2000 sets out the requirements for a company's quality management systems. These standards range from manufacturing to services including design and development, production, installation and servicing.
 
   ISO 9001
 
     In 1987, International Standards Organization (ISO) 9000 standards were developed to ensure that companies' products and services have consistent, documented approaches that meet the European community's quality requirements.

ISO 9001 sets out the requirements for an organization whose business processes range all the way from design and development, to production, installation and servicing.
 
   ISO 9002
 
     In 1987, International Standards Organization (ISO) 9000 standards were developed to ensure those companies' products and services have consistent, documented approaches that meet the European community's quality requirements.

ISO 9002 is for an organization that does not carry out design and development. It does not include the design control requirements of ISO 9001 - otherwise, its requirements are identical.
 
   ISO 14001
 
     ISO 14001 specifies the actual requirements for an environmental management system. It applies to those environmental aspects, over which the organization has control or influence.  ISO 14001 was first published in 1996 and is the only ISO 14000 standard against which it is currently possible to be certified by an external certification authority.
 
   QS-9000
 
     QS9000 defines the fundamental quality system expectations of manufacturers for internal and external suppliers of production and service parts and materials. These companies are committed to working with suppliers to ensure customer satisfaction beginning with conformance to quality requirements.
 
   ISO/TS 16949:2002
 
     Automotive standard that supercedes QS-9000 and includes ISO 9001:2000's process approach.
 
   MIL-SPEC
 
     Manufacture items in accordance with the U.S. Government standards as dictated by the appropriate military specifications.
 
   Other
 
     Other, unlisted certification or quality requirement.
 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
Regional Preference




           
   Your choices are...
 
      
 
   North America
 
     This selection will only return companies located in the United States, Canada or Mexico.
 
   United States Only
 
     This selection will return only companies located within the United States.
 
   Northeast US Only
 
     This selection will return only companies located in the Northeast US; namely Connecticut, Maine, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island and Vermont.
 
   Southern US Only
 
     This selection will return only companies located in the Southern US; namely Alabama, Arkansas, Delaware, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, Missouri, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, Virginia, Washington D.C., and West Virginia.
 
   Southwest US Only
 
     This selection will return only companies located in the Southwest US; namely Arizona, California, Colorado, Nevada, New Mexico and Utah.
 
   Northwest US Only
 
     This selection will return only companies located in the Northwest US; namely Idaho, Montana, Oregon, Washington and Wyoming.
 
   Midwest US Only
 
     This selection will return only companies located in the Midwest US; namely Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Nebraska, North Dakota, Ohio, South Dakota and Wisconsin.
 
   Canada Only
 
     This selection will return only companies located in Canada.
 
   South / Central America Only
 
     This selection will return only companies with facilities in South American countries such as Argentina, Brazil, Chile, or in Central American countries such as Costa Rica, Honduras, Panama, etc.
 
   Europe Only
 
     This selection will return only companies located in Europe; namely Germany, Ireland, Italy, United Kingdom, etc.
 
   South Asia Only
 
     This selection will return only companies located in South Asia; namely India, Pakistan, Nepal, etc.
 
   Near East Only
 
     This selection will return only companies located in the Near East; namely Egypt, Israel, Saudi Arabia, etc.
 
   East Asia / Pacific Only
 
     This selection will return only companies located in East Asia; namely China, Japan, Taiwan, etc.
 
   Other
 
     Any unlisted country or region.
 
   Search Logic:      Products with the selected attribute will be returned as matches. Leaving or selecting "No Preference" will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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