Welded pipe Welded stainless steel pipe is manufactured from 2B or HRAP stainless steel strip – formed (to shape) and longitudinally welded to completed pipe. Learn about the 3 types of steel pipes used in the petrochemical industry: seamless, ERW (electric resistance welding), and LSAW (longitudinal submerged arc welding). 4 mm to 25 mm and lengths of up to 50 meters. 10. 3 Billion by 2026, growing at a CAGR of 3. Seamless pipes are relatively shorter in length due to manufacturing difficulties. Utilised widely in the agriculture. An ERW pipe is produced by passing high-voltage current to longitudinally weld the piping component. Email: sales. Pipe piles are usually made of seamless, welded, or spiral welded steel pipes that vary in wall thickness and diameter. net. Select areas of known corroded spiral welded pipe spools were inspected for these field trials. Quality SSAW Steel Pipes at Best Prices, Buy Spiral Pipes in India with Low Prices!. Smooth-Flow Flexible Duct Hose for Dust. As-welded (AW) tube Decorative and Structural tube This tubing is produced direct off the continuous tube welding mill, using cold rolled stainless steel strip made to ASTM. Pressure Resistance. The difference from ERW is the difference in welding process. In the hot strip a transverse sample in the pipe is located approximately in a 30 to 45° angle from rolling direction. Roll and Press Bending Pipe Mill Roll bending pipe mill specializes in large diameter, heavy wall structural pipe up to 1. With the exception of very large pipe welds are made without the addition of filler metal. Location. S. Pipe shop produces spiral welded steel pipes Ф 480—1420 мм for construction of main oil&gas pipelines and oil products pipelines. Outer Diameter: 219. Spiral welded pipe is also a kind of welded pipe. Compared with the straight seam welded pipe of the same outer diameter, the wall thickness can be reduced by 10% to 25% under the same pressure. Carbon (ERW & DSAW) Pipe Typical Sizes. The weld or seam in these pipes is in the form of a spiral. Maximum length according to size and gauge. Los Angeles, CA Custom Manufacturer* $1 - 4. We are capable of manufacturing high quality SSAW carbon steel pipes in the diameter of 8” to 48” (219mm to 1220mm), in wall thickness from 4mm to 12. A continuous plate strip is rolled to the required width and wall thickness and hot-rolled into a coil similar to the ERW plate coils. Order: 20 Tons. A pipe made from the same strip material will show different properties depending on the production process. 4 from ASME B31. (6) The geometric dimension. A full range of coated ERW, including 3-Layer Polyethylene (3LPE) for the general gas distribution market. 1 of 15 Acoustic Velocity Determination for AUT on Spiral Pipe Girth Welds Ed GINZEL 1 Henk VAN DIJK 2 1 Materials Research Institute, Waterloo, Ontario, Canada e-mail: eginzel@mri. 48/kg Ex-Works. However, there is a lack of fundamental knowledge about their performance in terms of tensile. The strip is then welded along the length of the tube to create a seam. 0mm. 60. 5 –25mm • Pipe Length: 6. 1000 WOG Spring Check Valve. Choose from our selection of spiral pipe,. WT: 6mm ~ 25mm (Up to 1'') LENGTH: 6mtr ~ 18mtr, SRL, DRLSpiral Pipe, dikembangkan dengan cara terbaik. We’ve all seen them. With a scanning speed of 1 meter (3. 200 WOG Swing Check Valve. A Saw spiral carbon steel pipe has a high-quality welding process. The spiral welded pipes are situated in between the girth weld and seam weld pipes. Contact our sales to order spirally welded pipes and water mains from SSAB's stock or straight from the mill. Paper C-1-01- 1 WA Use of Dielectric Coated Spiral Weld Steel Pipe in Horizontal Directional Drilling Richard D. Foster provides value added services such as coating and welding to facilitate complete pipe pile solutions. 0 mm:. Construction of 3D geometry model. We only sell steel tubes & pipes. Launceston. Phone. ofAPI 5LS. Smooth-Flow Flexible Duct Hose for Dust. 4 mm) & pipe length of 6 meters to 13 meters as per client’s requirement confirming to various national as well as international quality. 58027. Group Five Pipe design and supply all aspects of pipe manufacturing, pipe handling and pipe testing equipment. nz. The strength of the spiral welded. au. The smooth interior prevents dust from getting trapped and building up inside the hose. (100 mm) through 36 in. Spiral welding process is used for manufacturing large diameter pipes from strips. TWI has worked with the Kuwait Oil Corporation (KOC) to find the root cause of failure in a critical high-pressure wet sour service gas pipeline in West Kuwait. 7 to 200 x 100. When the plates are formed into pipe and joined with a girth weld, the ultrasonic inspection of the girth weld has the beam directed parallel to the elongated grains in the case of the longitudinal welded pipe. Spiral Duct Australia Pty Ltd have a solution for you. Standard Guages; Normal Diamter: 1. It can be used to weld pipes with diameters up to 48 inches (1200 mm). Currently, they use a two-sided fixed grinding machine, this innovation has some scarcities, manual control, and manual operation, Poor leading time and require a highly experienced employer, Spiral welded pipe standards require. 000″ thick; Specifications & Grades. Dong et al. Welding advantages of double submerged arc welded straight. SPIRAL WELD PIPE. Pipe type:Spiral seam welded steel pipe, Double-sided submerged arc welding steel pipe (DSAW steel pipe), helical submerged arc welded steel pipe,SSAW Pipe, SSAW Steel Pipe, Spiral Steel Pipe, Welded S. Use of API SL Spiral Welded Pipe October I, 1984 B31-84-011 Question (l): May API SL Grade B Spiral Welded Pipe be used for Category D fluid service in (f;: accordance with ANSI/ASME B31. Some of these include HVAC, water treatment, dust and fume control, and waste/product transfer. When you need pipes and tubes for a variety of uses, choose Trans Vent Spiral Tubing for your piping solutions, steel culvert tubing in Brisbane, Sydney, and Canberra. Because of the above reasons, the production speed of the spiral steel pipe is very slow. 3 Piece 1000 WOG Ball Valve – Threaded. b. 1. Contact Now. We supply spiral welded steel tubes for augers & ducting. Owing to the findings of new locations for crude oil and natural gas, the need of high strength materials that can be used for pipes and their joining has gained paramount importance. au. As with the lab-based trials, the Pipescan HD was used as the primary scanning tool to quickly identify in-service corrosion. Machinable aluminum pipe diameter is Φ 219-1580mm. However minimum thickness of the pipes shall be as elaborated in above clauses. 4)mm and a length of 6～35m. C. A full range of coated ERW, including 3-Layer Polyethylene (3LPE) for the general gas distribution market. It is difficult to butt weld these pipes on the spot. Spiral Weld Steel Pipe(SSAW Steel PIPE) Additions: Thickness: 5~30mm Diameter: 219mm-3520mm Material: Q195,Q215,Q235,Q345(B,C,D,E) Certification: ISO9001, BV, API Standard: ASTM GB DIN API IS EN BS. 4:2010. FOB Price: US $450-750 / Ton. Check price list of Mild Steel spiral welded tube and pipes. BRISBANE (07) 3246 9999 [email protected] duct australia abn: 86 817 834 607. 8 mm wall thickness > 7 mm: max. We are the leading Pipe & Tube Producer. PVC-coated steel combines the strength of steel with the corrosion resistance of plastic. Do you need an air conditioning spiral duct for your business around Brisbane, Sydney or Canberra? Trans Vent Spiral Tubing Pty Ltd can assist you. Comes in black plain and galvanized finishes. mike@nqpd. Our Supply range for API 5L welded line pipe. Jindal Tubular USA, LLC was incorporated in May 2014 and acquired the assets of a Pipe Mill in August 2014. (4) Compared with LSAW pipes, spiral welds have poorer streamlines and serious stress concentration. Roladuct is Australia's market leader for Spiral Formed Ducting and Piping. It is the gold standard for seamless and welded steel pipes conveying gas, water, and oil. com. The weld residual stresses of the spiral pipe have been extensively studied by finite element method (FEM) and experimental measurements. Click here to get a quote. We are. It has a high deposition rate which allows for welding material of larger thickness. p. The demand of spiral welded pipes is expected to grow at a CAGR of more than 4% during 2015-2020. The direction of the crack is parallel to the weld and is at a certain angle to the axis of the steel tube, typically between 30-70°. 3 Way Reduced Port 1000 WOG Ball Valve – Threaded ‘T’ Port. Group Five Pipe makes spirally welded steel pipes ranging from 500mm to 3500mm in diameter, using steel up to 25mm thick. Usually, those methods have impacts larboard intensive, long production cycle and unstable product qualification rate for the final product. The pipe plant has a capacity to produce 70,000 MT of pipe per annum and can produce spirally welded pipes in the range of 18 inches (457 mm) to 100 inches (2540 mm) with maximum wall thickness of 1 inch (25. PSUK supplies spiral weld pipe, fittings, joints & valves to the UK water market through our partnership agreements with various European manufacturers. Seamless Carbon Steel Pipe. Size. We offer a range of duct fitting and accessories for you to choose from at Trans Vent Spiral Tubing in Brisbane, Sydney, and the Canberra area. (31mm). DSAW carbon steel pipe is easily distinguishable due to its prominent and consistent ID and OD weld seam. Welded Tube Mills and Welded Pipe Mills have been popular since modern flat rolled, or coiled, steel first make its way into the steel business more than a century ago. of M. Our thickness range is 1. The advantages of spiral pipe are that it offers superior strength, increased corrosion resistance, 360-degree circumferential strength, high-pressure rating, ability to withstand extreme weather conditions and even- wall thickness. Submerged Arc Welded Pipes (SAW) As a special business partner of well-known and leading manufacturers worldwide - from Canada and Europe to South Korea, ZAFFERTEC S. Spiral welded pipe is made by winding a steel strip around a rotating mandrel to form a tube. Purpose. repeat"> Sai Steel Industries. Auger Flange Joiners, Drive End Plates and Idler End Plates. Route 70 Bridge over the Manasquan River, Brielle, NJ USACE, Santa Maria, CA welding for spiral butt weld joint will be flawless, with no burning. +86-22-58951960 sales@ytdrgg. China Large Diameter Spiral Pipe manufacturers - Select 2023 high quality Large Diameter Spiral Pipe products in best price from certified Chinese Pipe, Steel Structure suppliers, wholesalers and factory on Made-in-China. This process creates an accurate tubular structure before it is welded. I. The pipe is cut to length and the ends are beveled if required. 1mm-3500mm. Spiral welded pipe has several. Pipe Diameter. Spiral pipes have a greater length than ERW carbon steel pipes. 300 WOG Y Strainer. 2. STRUCTURAL STRENGTH. The report provides separate comprehensive analytics for the US, Canada, Japan, Europe, Asia-Pacific. Since the industry began in the late 1980’s, more than half of all the pipes. Manufacturing Process. The majority of the finished product will be shipped within a 250- to 500-mile radius of the plant. Middle East Spiral Welded Pipes Market Highlights 2020 – 2029. Types of welded pipes include pre-coated/pre-lined pipes,. S. co. Spiral wound pipes are made from ribbed structures. b Line pipes in Australia; astm a106 gr. View PDF View article View in Scopus Google Scholar [20] Y. (2) Under the same pressure conditions, the spiral weld is subjected to less stress than the straight seam, which is 75% to 90% of the straight seam welded pipe, and thus can withstand a large pressure. Steel Aqueduct; Distribution and Transmission Lines (Coated and Lined)mechanism should be able to grind the spiral submerged arc welded pipe the inner and outer wel ds of the pipe end, grinding from 0 to 200mm from the pipe end internal and external welds. Custom manufacturer of welded pipe including spiral welded pipe. Aarbro Steel Trading Pty Ltd specialises in the supply of spiral welded piping and ancillary products. Specialist Pipe Coatings. Stainless and mild steel spiral welded. Spiral welded (mm) 76. BS EN10219-1. Our Range. 2. Common diameters range from 4 inches (102mm) through to 20 inches (508mm) and material thicknesses, or gauge – range from 1. Spiral Welded Tube, Pipe & Fittings; Joining Methods; Connection Methods. 000″ thick R&W: 24″ thru 120″ up to 4. This facility, spread over 155 acres, manufactures Helical Seam (Spiral) SAW Pipes with anti-corrosion coating to API, ASTM, CSA, NACE & AWWA specifications. Auger Components. P= (2 x ST / D) x 0. This process creates a straight, longitudinal seam down the very center of the pipe. The tube mill is really a series of individual machines starting with an uncoiler, straightener, shear and end welder – commonly known as the entry line. is well-placed to work with any client in applications or projects in which submerged arc welded (SAW) pipes are the core required material. This article describes examples of the spiral welded pipe failures. The company manufactures ductile iron pipe, spiral-welded steel pipe, fire hydrants and valves for the waterworks industry, and electric-resistance-welded steel pipe for the oil and gas industry. BS: 1387 Steel Tubes for use for Water, Gas, Air and Steam. The $40 million investment will create 100 new jobs. 200 WOG Swing Check Valve. L. Its main product is smooth, threaded, flanged and OCTG seamless pipes. A252 spiral weld pipe, and A691 chrome moly pipe. Steel House Stumps now available for all Brisbane areas through our Geebung outlet. In this paper, efforts made at BSL, SAIL towards developmental of API X70 grade HR coils intended for SW pipes, have been presented. 011. At this plant, spiral welded steel pipe manufacturing machine (SWP) is used to produce steel. 85 P= Pressure Rating (m. After World War II, German. Another continuous process of producing pipe of large diameter (typically diameters 20–100 inches) is the spiral weld process. The screw pitch of weld is 1760 mm, and its helix angle is 24. SPIRAL PIPE AND FITTINGS MINNEAPOLIS, MN 5850 Main Street N. Facsimile: (07) 3271 6111. Weld reinforcement Inside: wall thickness < 7 mm: max. com. au. 304 stainless steel is more corrosion resistant than steel. The profile is extrusion welded together along its adjacent edges. Kolkata, West BengalSpiral Welded IS 3589 Pipe are also very easy to work with when it comes to welding, grinding, machining, cutting, or bending. Manufactured locally. 1 1 Regional Engineer, Northwest Pipe Company, Raleigh NC: (919)-847-6077: [email protected] Fax : +6221 2944-9968 Telephone : +6221 2944-9971. For the construction industry, Ostrava offers both seamless and spiral-welded tubes. Contact us NSW Location 38 Peachtree Rd, Penrith, 2750, NSW 02 4731 6100 Mon – Fri: 7:00am – 4:00pm, Sat – Sun: Closed Queensland Location 183 Jackson Rd, Sunnybank Hills, 4109, Queensland 07 3848 6100 Mon – Fri: 7:00am – 4:00pm, Sat – Sun: ClosedThe "Spiral Welded Pipes And Tubes Market" research report 2024 provides a thorough and in-depth study of the industry's segmentation based on Types, Applications, and Regions. The piles are available in 8” (203. Manufacturing Process. 0mm Our production process utilizes a double submerged arc weld process in both spiralweld and rolled & welded pipe. Getachew Demeissie Ayalew 1, Yu Zheng 1 and Yang Yang 1. B. SA53 / A53 Welded — Grade B Spiral Welded Pipes & Tubes Portfolio of ArcelorMittal II-50 Borusan Mannesmann Boru Sanayi ve Ticaret A. Spiral welded pipe manufactured by the twosteps process is now accepted on international oil and gas lines pipe steels of yield strength up to 555MPa (X80) are produced. com. Various lengths and sizes. The forming case shapes the strip into a cylindrical shell with a spiral seam, which is welded by tandem SAW. com. To prevent those factors from this paper, present a. Bhd. A spiral welding process is making its way into the wind energy industry and changing the way we manufacture large-scale pipe. In Turkey, there are two NOKSEL plants. Spiral Lockseam Ducting. 6mm) diameter is supplied to DIN specification. 1. [17] used three dimensional (3D) shell model to predict the residual stresses in a long spiral pipe and. 5mtr • Fittings: fabrication, end forming, coating and lining Location: Kwinana, Western Australia - 40 minutes South of Perth CBD Production Capacity: 30,000 tonnes p. 6 mm 2 mm 3 mm 4 mm 5 mm; 76: 3: 3: 3. The spiral welding is mainly used for large diameter. 25+ million members;category of pipe or tube within each respective standard. C EFW Tubing in India. 1 Piece 800 WOG Ball Valve – Threaded. 2. or T. Condensate lines shall be to ASTM A 106 Gr. As mentioned before, the manufacturing process for spiral pipes and ERW pipes is different. Spiral pipe manufacturing has come a long way in recent decades. The spiral weld was prepared by submerged arc welding with “X” groove, and the morphology and size of welded joints are shown in Fig. A691Gr2. Patent No. Perth. First, a coil of hot rolled wide strip is mounted into the straightening machine. Optional corrugations are available which increase the rigidity of the pipe by approximately 300%. com. Trans Vent Spiral Tubing Pty Ltd will meet your exact needs for welded pipes in Sydney, Brisbane, and Canberra. The ERW or Electric Resistance Welded pipe seems to appear longitudinally and the spiral pipes have helix shaped structures at the extremities. [email protected] current price for spiral welded pipes is Rs. 3) ERW carbon steel pipe within the weld is relatively close to zero, the naked eye is not visible; spiral steel pipe inside. At the pipe mill, pipe is formed as shown schematically in Fig. Sydney. Manufacturing specification: Superior Pipe Fabricators. Ends Type: Beveled ends, Plain ends. To put it in numbers, compared to a straight seam welded pipe, a spiral welded pipe’s wall thickness can be reduced by 10% to 25% while withstanding greater pressures. 1016/j. b pipe SSAW (Spiral Welded) astm a106 gr. Transvent spiral tubing offer quality spiral tubing, Pier liners, Air conditioning spiral duct, sheet metal, and Piping solutions that are Australian-made at a cost-effective price in Sydney. 22in. 5% of the nominal wall thickness. Company Profile. Amid the COVID-19 crisis, the global market for Helical Submerged Arc Welded (HSAW) Pipes estimated at US$5. Spiral steel pipes have the capability to withstand a high pressure compared to other steel pipes exist in the market. Tubes of this quality are suitable for use in the food industry. X65 Spiral steel pipe. During repairs the pipeline was found to have severe internal corrosion, which led to. Carbon Steel Welded & Seamless Pipe; Carbon Steel Heat Exchanger, Hydraulic and Pneumatic Tube;. Available in 0. 2mm. Spiral-welded pipes are available in sizes from 600 mm to 3650 mm. You can get high quality Spiral Welded Pipe & Auger Tube in the Queensland. (PRD) received U. 1-2016, which covered equations specific to longitudinal-welded or spiral-welded pipe operating in the creep range. PSUK supplies spiral weld pipe, fittings, joints & valves to the UK water market through our partnership agreements with various European manufacturers. [email protected], the spiral weld pipe market is expected to experience substantial growth during the forecast period, with a projected CAGR of 14%. structural: beams, columns, channels, tubular: gal pipe, black pipe, seamless pipe, spiral weld pipe, slotted casing pipe, erw & lsaw pipe, coils, shs squares (painted and gal), rhs rectangles (painted and gal), flat products: plates. (472982-K) (PPS) through its Group is the most experienced spiral pipe manufacturer in Malaysia with an extensive track record dating back to 1983 when the first spiral weld pipe manufacturing plant PPI Industries Sdn Bhd was established in Prai, Penang. ERW: 2″ thru 26″ up to 1. Wall thickness ranges from 0. mike@nqpd. Using the Spiral weld process eliminates the possible distortion of the component due to. The spiral welded pipe unit is used to produce large-diameter steel pipes with a diameter of (89～2450)mm× (0. MACKAY (07) 4842 8000 [email protected] mm: 1. Spiral steel pipe is a coiled steel pipe made from strip coils as the raw material, which is often warm extruded and welded by an automatic double wire double-sided submerged arc welding process. Pier liners. (06) 755 9155 Fax: (06) 755 4153. Ventilation Pipe; Grout Tube/Pre Stressing Tube; Our Services. AMERICAN’s diversified product line also includes fire pumps, structural casing and piling. Protection Caps in plastic or iron available. August 12, 2022. 1300 780 315. com. au . This creates a pipe structure in which the weld is as strong or stronger than the parent metal. Round duct systems enjoy the strongest natural shape for withstanding both internal and external pressure. performance and that spiral-welded line pipe performs as good as longitudinal welded linepipe in terms of local buckling behavior. . The company, based in Chicago, IL, offers conventional wedge lock couplings, flanges, hinged. Click here to get a quote. 25+ million members;II-3 Helical SAW Pipes: Find Gains over Longitudinal Weld Pipes II-4 Impact of HR Coil Pricing on SAW Pipes Market II-4 Table 1: Global Hot rolled Steel Coil Monthly Price Trends (Oct-2013-Oct. SPIRALCO is a company specialized in the production of spiral-weld steel tubes and pipes. 5. Spiral-welded tubes (SWTs) are fabricated by helically bending a steel plate-coil and welding the resulting abut-ting edges. 1275, route 255, St-Félix-de-Kingsey, Qc, J0B 2T0 / Phone : (819) 848-2747 / 1-800-830-2747 / Fax : (819) 848-2830. SPAIN. Welded Steel Pipe is mainly used for structural support in industrial construction. 1. com. PPI Industries Sdn Bhd is the pioneer in the. In some situations, buyers mak-ing large purchases directly from theWater pipes, fittings, joints and valves. Their use as pile-driving pipes in the Philippines is due to their ideal qualities in weather resistance, environmental compatibility, and strength. Rakhial, Ahmedabad, Gujarat. Welding Supply Solutions has been servicing all suburbs of the Gold Coast region and surrounding districts with cost effective, efficient, top quality and high performance welding equipment and consumables to help local manufacturers stay competitive and promote lean manufacturing and waste elimination. 5. Call Us Today:1300 780 315. Length: 6m-50m. Spiral weld pipes are used for various applications, including oil and gas transmission, water supply, and piling. However, there is a lack of fundamental knowledge about their performance in terms of tensile. Steel pipe, using the submerged arc-welding process (SAW), is manufactured by Hall Longmore with a diameter ranging from 660 mm to 2540 mm and a Wall thickness from 4,5 mm to 19 mm. The spiral welded pipe industry is witnessing tremendous growth in production, as various players expand their production capacities to meet the soaring spiral pipe demand. Spiral welded (submerged arc welding) steel pipeline sections with girth welds were examined. F. B Square Pipes. The main parts, which are the middle parts, in other words the investigational parts of the girth welded pipeline sections, were cut from operating pipelines after long-term operation. The manufacturing process is continuous; a steel coil that runs out is connected. Bell Block, New Plymouth (06) 755 9155 Fax: (06) 755 4153. Welded stainless steel pipe is manufactured from 2B or HRAP stainless steel strip – formed (to shape) and longitudinally welded to completed pipe. 2. Naylor Spiral Buttweld Pipe features two welds along the spiral seam. USES OF IPI PIPES: WATER LINES. Hydrostatic Test & End Forming Station. Nowadays many new developments have undertaken in Line pipe manufacturing with new technologies and equipments basic process of Line pipe (spiral) manufacturing. Stocked in 6 metre lengths and various offcut lengths. Brisbane office: (07) 3277 9785. Market Segment. American Piping distributes an extensive selection of welded pipe, including Electric Resistance Welded (ERW) and Double Submerged Arc Welded (DSAW) carbon steel pipe. Submerged arc welding (SAW) requires the addition of media (welding wire, flux), and ERW does not Need, ERW is melted by heating at intermediate. 40 1617084. ms spiral welded pipes (sail make) as per is 3589 from 500 mm nb to 1600 mm nb pipes of different thickness 6 mm to 12. Because they’re lightweight and cost-efficient, we’re sure that we’ll have what you need. A&G stainless steel tubes and pipes: Comply with Australian Standards: ASTM 1528 tubes, ASTM A554 square/rectangular tubes, ASTM A312/94B pipes. The $40 million investment will create 100 new jobs. Ukuran: Diameter luar: Diameter nominal: Tebal: Panjang: Berat: 1/2″x1,2mmx6m:. We offer a range of duct fitting and accessories for you to choose from at Trans Vent Spiral Tubing in Brisbane, Sydney, and the Canberra area. 2mm to 5mm (refer to chart) Process. 19 ASTM252 Pipe Line Carbon Steel. Φ1580mm. In the section featuring this equation, nomenclature has also been alphabetized and W, the weld strength reduction factor, has been added. Be it operating pressures of over 100. Spiral steel pipe production process and straight seam steel pipe is different: the strip coil as raw material, often warm extrusion molding, automatic double-wire double-sided submerged arc welding process welded spiral seam steel pipe. 330/410 & API 5L Gr. Naylor Spiral Buttweld Pipe features two welds along the spiral seam. Steelpipes are the specialist suppliers of steel pipe with high quality and standards. Standard stock length for all stainless steel tubes is 6m. Spiral-welded pipe is available in sizes from 24 in. , in 1905. Pipe mills can produce longitudinally welded pipe with outside diameters (ODs) of up to about 42 inches. Fittings Roladuct Spiral Tubing Group » Product Range » Spiral Welded Tube, Pipe & Fittings » Fittings Standard Fittings Stainless steel and mild steel fittings available for.