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Welding Pipe
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Socket Weld 316 Stainless Pipe Unions 1/2"-Two Pcs. US $7.99
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Ridgid Model 464 Flange Pipe Welding Vise US $255.00
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Butt weld pipe fitting 45 degree elbow, 2 1/2" steel lot of 6 US $12.00
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NOS 3" Weld Flanges Black Pipe 150lb Lot of (4) US $34.99
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Painter, Pipe fitter, Welding, Welder, Biker Cap Hat "POW/MIA" red US $9.99
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Wheel Pipe Roller Welding Roller Positioner US $350.00
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One and One-Half Inch SKT Weld Pipe Elbow US $50.00
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Weld Head Pipe Code 62 US $80.00
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New pipe welding tool Kit(DN20-DN63) US $280.00
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LOT OF 2 ,IPS WELD-ON, DUIT 2413,STOCK # 12103,PVC PLASTIC PIPE CEMENT 1 QT US $17.50
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2 IN. WELD ON TO BOLT ON PIPE TAKE OFF JOINT US $50.00
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LOT OF HARD BRASS WELD / SOLDER IN PIPE FITTINGS US $27.50
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Painter, Pipe Fitter Welding Welder Biker Cap Hat "Gold Stars/Red " #27 US $8.99
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TC1 Tube / Pipe Clamp Welding Positioner US $38.95
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WALHONDE 14" LINE UP PIPE CLAMP STAINLESS WELDING US $799.95
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Pipe Welding Clamp-Jewel 2M US $85.00
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COUPLING 11/2" 3000# SOCKET WELD 304L STAINLESS STEEL PIPE FITTING 260WH US $9.25
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New Merit 3/4" Forged Carbon Steel Class 3000 Socket Weld Pipe Union US $12.74
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EZ weld 912 purple pipe cleaner 16 oz US $4.50
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EZ weld WW91403 pipe cleaner 10 cans 16oz US $24.00
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Hobart 770565 Two Axis Welding Clamp Sale Price: $15.49 |
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Economical solution for welding perfect 90 degree corners on square tube, round tube and angle and channel iron. Features a floating head and rotating spindle screw that adjusts to align and hold work pieces. |
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Stainless Steel 304 Cast Pipe Fitting, Flange, Welding Spud, Class 150, 3/4" NPT Female Sale Price: $5.04 |
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The Merit Brass welding spud flange is a class 150 stainless steel 304 cast pipe fitting with female National Pipe Taper (NPT) threads used to join two sections of a piping system. It has female NPT threads for connecting to male pipes and the flange is welded instead of bolted for a stronger seal. Made of stainless steel 304, the lower carbon content of this fitting ensures higher corrosion resistance than 302 grade steel. This class 150 fitting meets steel 304 strength standards and specifications ISO 49 and ANSI 1.20.1 for quality assurance. Class is a standard relating to tolerance, construction, dimension, and wall thickness, but it is not a direct measurement of maximum working pressure. Pipe fittings are components used for connecting, terminating, controlling flow, and changing the direction of piping in many different industries. When purchasing pipe fittings, consider the application, as this will affect material type, shape, size and required durability. Fittings are available threaded or unthreaded, in many shapes, styles, sizes, and schedules (pipe wall thickness). Merit Brass manufactures pipe nipples following ISO 9001 standards for quality assurance. The company, family-owned since 1937 and headquartered in Cleveland, OH, distributes pipe fittings in the United States and Canada. |
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Vise-Grip 9R 9-Inch Locking Welding Clamp List Price: $29.72 Sale Price: $12.40 |
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- For use in welding applications or holding awkward shapes in place.- Jaw Capacity: 2-3/4" (70 mm)- Throat Depth: 1-5/8" (41 mm)- Jaw Depth: 2-3/4" (70 mm)- Size: 9" (225 mm) |
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Stainless Steel 304 Cast Pipe Fitting, Flange, Welding Spud, Class 150, 1/2" NPT Female Sale Price: $8.46 |
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The Merit Brass welding spud flange is a class 150 stainless steel 304 cast pipe fitting with female National Pipe Taper (NPT) threads used to join two sections of a piping system. It has female NPT threads for connecting to male pipes and the flange is welded instead of bolted for a stronger seal. Made of stainless steel 304, the lower carbon content of this fitting ensures higher corrosion resistance than 302 grade steel. This class 150 fitting meets steel 304 strength standards and specifications ISO 49 and ANSI 1.20.1 for quality assurance. Class is a standard relating to tolerance, construction, dimension, and wall thickness, but it is not a direct measurement of maximum working pressure. Pipe fittings are components used for connecting, terminating, controlling flow, and changing the direction of piping in many different industries. When purchasing pipe fittings, consider the application, as this will affect material type, shape, size and required durability. Fittings are available threaded or unthreaded, in many shapes, styles, sizes, and schedules (pipe wall thickness). Merit Brass manufactures pipe nipples following ISO 9001 standards for quality assurance. The company, family-owned since 1937 and headquartered in Cleveland, OH, distributes pipe fittings in the United States and Canada. |
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Self-igniting Butane Micro-torch List Price: $34.99 Sale Price: $10.93 |
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Micro torch directs a pinpoint flame of 2000°F Lets you work on small and delicate materials accurately Running time: 35 minutes Push button ignition Ceramic tip Runs on butane 1-1/3'' diameter |
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Stainless Steel 304 Cast Pipe Fitting, Flange, Welding Spud, Class 150, 1" NPT Female Sale Price: $8.75 |
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The Merit Brass welding spud flange is a class 150 stainless steel 304 cast pipe fitting with female National Pipe Taper (NPT) threads used to join two sections of a piping system. It has female NPT threads for connecting to male pipes and the flange is welded instead of bolted for a stronger seal. Made of stainless steel 304, the lower carbon content of this fitting ensures higher corrosion resistance than 302 grade steel. This class 150 fitting meets steel 304 strength standards and specifications ISO 49 and ANSI 1.20.1 for quality assurance. Class is a standard relating to tolerance, construction, dimension, and wall thickness, but it is not a direct measurement of maximum working pressure. Pipe fittings are components used for connecting, terminating, controlling flow, and changing the direction of piping in many different industries. When purchasing pipe fittings, consider the application, as this will affect material type, shape, size and required durability. Fittings are available threaded or unthreaded, in many shapes, styles, sizes, and schedules (pipe wall thickness). Merit Brass manufactures pipe nipples following ISO 9001 standards for quality assurance. The company, family-owned since 1937 and headquartered in Cleveland, OH, distributes pipe fittings in the United States and Canada. |
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Stainless Steel 304 Cast Pipe Fitting, Flange, Welding Spud, Class 150, 2" NPT Female Sale Price: $10.08 |
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The Merit Brass welding spud flange is a class 150 stainless steel 304 cast pipe fitting with female National Pipe Taper (NPT) threads used to join two sections of a piping system. It has female NPT threads for connecting to male pipes and the flange is welded instead of bolted for a stronger seal. Made of stainless steel 304, the lower carbon content of this fitting ensures higher corrosion resistance than 302 grade steel. This class 150 fitting meets steel 304 strength standards and specifications ISO 49 and ANSI 1.20.1 for quality assurance. Class is a standard relating to tolerance, construction, dimension, and wall thickness, but it is not a direct measurement of maximum working pressure. Pipe fittings are components used for connecting, terminating, controlling flow, and changing the direction of piping in many different industries. When purchasing pipe fittings, consider the application, as this will affect material type, shape, size and required durability. Fittings are available threaded or unthreaded, in many shapes, styles, sizes, and schedules (pipe wall thickness). Merit Brass manufactures pipe nipples following ISO 9001 standards for quality assurance. The company, family-owned since 1937 and headquartered in Cleveland, OH, distributes pipe fittings in the United States and Canada. |
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Stainless Steel 316 Cast Pipe Fitting, Welding Spud, Class 150, 3/4" NPT Female Sale Price: $8.98 |
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The Merit Brass welding spud flange is a class 150 stainless steel 316 cast pipe fitting with female National Pipe Taper (NPT) threads used to join two sections of a piping system. It has female NPT threads for connecting to male pipes and the flange is welded instead of bolted for a stronger seal. This welding spud is made of stainless steel 316, which is higher strength and more corrosion resistant than stainless steel 304. This class 150 fitting meets steel 316 strength standards and specifications ISO 49 and ANSI 1.20.1 for quality assurance. Class is a standard relating to tolerance, construction, dimension, and wall thickness, but it is not a direct measurement of maximum working pressure. Pipe fittings are components used for connecting, terminating, controlling flow, and changing the direction of piping in many different industries. When purchasing pipe fittings, consider the application, as this will affect material type, shape, size and required durability. Fittings are available threaded or unthreaded, in many shapes, styles, sizes, and schedules (pipe wall thickness). Merit Brass manufactures pipe nipples following ISO 9001 standards for quality assurance. The company, family-owned since 1937 and headquartered in Cleveland, OH, distributes pipe fittings in the United States and Canada. |
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Stainless Steel 304 Cast Pipe Fitting, Flange, Welding Spud, Class 150, 1/4" NPT Female Sale Price: $3.89 |
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The Merit Brass welding spud flange is a class 150 stainless steel 304 cast pipe fitting with female National Pipe Taper (NPT) threads used to join two sections of a piping system. It has female NPT threads for connecting to male pipes and the flange is welded instead of bolted for a stronger seal. Made of stainless steel 304, the lower carbon content of this fitting ensures higher corrosion resistance than 302 grade steel. This class 150 fitting meets steel 304 strength standards and specifications ISO 49 and ANSI 1.20.1 for quality assurance. Class is a standard relating to tolerance, construction, dimension, and wall thickness, but it is not a direct measurement of maximum working pressure. Pipe fittings are components used for connecting, terminating, controlling flow, and changing the direction of piping in many different industries. When purchasing pipe fittings, consider the application, as this will affect material type, shape, size and required durability. Fittings are available threaded or unthreaded, in many shapes, styles, sizes, and schedules (pipe wall thickness). Merit Brass manufactures pipe nipples following ISO 9001 standards for quality assurance. The company, family-owned since 1937 and headquartered in Cleveland, OH, distributes pipe fittings in the United States and Canada. |
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Stainless Steel 316 Cast Pipe Fitting, Welding Spud, Class 150, 1/8" NPT Female Sale Price: $14.28 |
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The Merit Brass welding spud flange is a class 150 stainless steel 316 cast pipe fitting with female National Pipe Taper (NPT) threads used to join two sections of a piping system. It has female NPT threads for connecting to male pipes and the flange is welded instead of bolted for a stronger seal. This welding spud is made of stainless steel 316, which is higher strength and more corrosion resistant than stainless steel 304. This class 150 fitting meets steel 316 strength standards and specifications ISO 49 and ANSI 1.20.1 for quality assurance. Class is a standard relating to tolerance, construction, dimension, and wall thickness, but it is not a direct measurement of maximum working pressure. Pipe fittings are components used for connecting, terminating, controlling flow, and changing the direction of piping in many different industries. When purchasing pipe fittings, consider the application, as this will affect material type, shape, size and required durability. Fittings are available threaded or unthreaded, in many shapes, styles, sizes, and schedules (pipe wall thickness). Merit Brass manufactures pipe nipples following ISO 9001 standards for quality assurance. The company, family-owned since 1937 and headquartered in Cleveland, OH, distributes pipe fittings in the United States and Canada. |
Here are some more information for Welding Pipe:

Today across North America, the use of plastic pipe for a wide variety of applications is becoming increasingly common. This paper wishes to summarize some of the basic facts about plastic pipe to give a better understanding of where, how and why it should be considered for usage. Several aspects concerning construction issues of today will be addressed.
Types of Plastic
Polyvinyl Chloride (PVC) -- PVC, also commonly referred to as Vinyl, is perhaps the most well-known and widely used of all plastics for pipe and fittings in construction today. It offers users one of the best balances of tensile strength versus economics being used for several pressure and non-pressure applications in both above-ground and under-ground applications.
PVC resin is derived from 2 natural resources of the earth, namely natural gas and salt. The natural gas derivative ethylene is combined with the chlorine component of salt to form the resin building block. The chlorine component is actually a by-product of a process whereby the sodium is being extracted from natural salt for use in caustic soda for soaps, detergents and other applications.
PVC is perhaps one of the oldest plastics being used for pressure pipe as far back as Post-WW1 Germany. Being one of the more rigid plastics, PVC is popular for usage as electrical conduit, process piping, commercial drains, irrigation piping and underground municipal piping such as water mains and sewers. It is commonly joined by means of solvent welding or gasketed bell and spigot.
Other uses of PVC in our daily lives include flooring, patio furniture, siding, medical tubing and small items such as credit cards.
Chlorinated Polyvinyl-Chloride (CPVC) -- CPVC is a second member of the vinyl family and is essentially a modified version of PVC. CPVC contains some extra chlorine in its molecule for enhanced resistance to chemicals and higher temperatures. Thus, the pipe is used for hot water supply, higher temperature applications in industrial facilities or for fire sprinkler piping in residential or light commercial applications.
Its properties are very similar to that of PVC by having rigidity and high tensile strength however, it is typically 3-4 times more expensive than PVC. Many times, CPVC will remain competitive with metals or other specialty plastics for specialized chemical applications. It is normally joined using either solvent welding or by use of flanged joints.
Polyethylene (PE) -- This is perhaps the most common plastic for everyday usage and certainly growing in popularity for many piping applications. PE is derived from 100% ethylene and its lack of chlorine is what gives it higher flexibility than the vinyls but at the expense of a reduced tensile strength. Thus, its popularity for piping has been mainly on applications where flexibility is desired such as marine intakes or outfalls, tubing for rural water wells, underground irrigation, road culverts and landscaping or farm drainage.
It is resistant to most solvents and thus cannot be joined using solvent welding. Thus, it is mainly joined by mechanical couplings or through heat fusion.
PE pipe is typically supplied in coils or straight lengths.
Cross-Linked Polyethlyene (PEX) -- PEX is a modified form of PE that has its molecular bond strengthened to enhance physical properties such as heat, chemical and crack resistance. It is mainly joined by mechanical fitting connections and is used primarily today as small diameter (3/8 to 1 inch) tubing for potable water or hydronic (hot water) heating. PEX is also available with an external oxygen barrier layer for hydronic heating or as an integral part of composite tubing with an aluminum layer centered in the pipe wall for added rigidity and strength.
Polypropylene (PP) -- PP is again a common item for everyday plastics but a bit more specialized for piping. It is very similar to PE but offers better chemical and temperature resistance. As a result, its most common piping application is for corrosive waste drainage for laboratories. It may be joined by either mechanical joints or heat fusion. The heat fusion is preferred for acid waste to ensure 100% reliability of pipe joints. The second most popular application for PP today is high purity water such as deionized water for medical usage or ultra-sanitary manufacturing.
Acrylonitrile Butadienne Styrene (ABS) -- ABS is a softer plastic than PVC yet more rigid than PE or PP. It is dominant in usage for residential drain waste and vent piping offering both economics and ease of installation.
ABS is notorious for having better than average impact resistance in colder temperatures and thus is commonly used for car bumpers and other similar applications.
Only recently has an ABS pipe been available for pressure pipe applications acting as an alternative to PVC or CPVC by offering improved impact and abrasive strength yet reduced tensile strength and chemical resistance. Applications here include mining slurry transport, refrigerants and chilled water piping.
Benefits and Limits
Plastic pipe offers many benefits to users which have helped lead to its steady growth in North America over the last 50 years. These include having light weight, ease of assembly, excellent hydraulics, chemical resistance, corrosion resistance, low labor costs and rigid industry standards.
However, as with all piping materials, there are some factors which will limit the use of plastic pipe and of which designers should always be aware such as pressure capacity (typically OK to 250 psi), temperature limits (over 200F often a concern), and building code issues (caution for plenums, vertical shafts, and hi-rise).
In summary, plastic pipe has become a dominant player in mechanical piping across North America. A proper understanding of the different plastics as well as their advantages and limits will help to ensure trouble-free installations.
Gordon Lefort is a Professional Engineer (Mechanical) employed with IPEX Inc., Canada's largest plastic pipe manufacturer and has over 20 years experience with the design and installation of mechanical plastic pipelines.
Steel Pipes manufacturing process
Steel pipes are long hollow tubes that are used for a variety of purposes. They are produced by two distinct methods, which result in either a welded or seamless pipe. In both methods, raw steel is first cast into a more workable starting form. It is then made into a pipe, by stretching the steel out into a seamless tube, or forcing the edges together & sealing them with a weld.
Welded pipes could be manufactured by one of the process, know as Electric Resistance Welding (ERW), where in a high frequency current is being used to fuse the steel together, resulting in welding at the seam of the pipe.
Worldwide, ERW pipes are manufactured & distributed, looking at the various applications, various people are into manufacturing of steel pipes & tubes, following various Indian & International standards.
In India many organization, are engaged into manufacturing & exporting of Quality ERW Pipes. They manufactures different types of ERW Pipes namely Black Pipes, Hot Dip Galvanized Pipes, Conduit Pipes, Casing Pipes, Scaffolding Pipes & General Engineering Purpose Pipes.
These companies have huge production capacities, & holds certification of various Indian as well as International standards.
Maintaining the quality of the ERW pipes is of utmost importance too. The product must pass through stringent quality tests, before they are finally supplied. Raw Material shall be tested for Chemical Composition, Tensile Strength, Elongation and Thickness & Tolerance. Pipes shall be hydraulically tested to ensure no leakage in the pipe. Galvanized pipes must be tested for uniformity of the zinc coating.
As the quality is the lifeline of any industry, so at Steel pipes manufacturing companies, Quality is not only checked, but is monitored & produced, with the help of proactive & professional approach.
Steel Pipes finds various applications in Commercial, Industrial, Residential & Agricultural areas. These pipes are used in Staircase Hand railings, Door Frames, Oil & Gas Industry, Structural & Scaffolding purposes, Green Houses, Shed for ware houses, Sanitary use of households, Sewage, Construction activities, Hand Pumps, Tube Wells, Boring, Water Distribution System & several other applications.
Diversified form of steel is yet to come, which will change the face of all economies, with easy applicability adaptability, affordability, viability & stability.
About the Author
Vikas Sharma writes on behalf of epcworld.com. EPC world is a leading India's magazine which give news on sectors like information technology, Aviation Industry mining and metals,Steel industry for the last couple of years.
What welding techniques/ supplies are used in cold climates?
We are welding oil field pipe in a cold climate. As the temperature drops below 0* F, we are having trouble with welds breaking. Are there certain techniques, or certain type of welding rods that work better in these cold climates?
In general, heat-treated mild steels are arc welded without pre-heat. However, a preheat should be used when the metal temperature is below about 50 degrees F (10 degrees C), and a preheat of about 100 degrees F (38 degrees C) or higher should be used if the plate thickness is over 1 in. (25.4 mm) or if the joint is highly restrained.
Welding project started Medford fire
An employee's welding project started a fire Thursday at an appliance store on South Pacific Highway in Medford, fire officials have determined.
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