Introduzione
Carbon steel pipes are seen in several critical industries, attracting governmental and private tender. An alloy of carbon and steel, carbon steel contains between 0.02 to 2% carbon by weight. Seemingly insignificant, this carbon changes the properties of the steel significantly. Carbon steel pipes are stronger and more durable than other steel pipes. They are also cost-effective compared to stainless steel pipes.
Carbon steel pipes play an important role in global manufacturing. From exhaust tubes to oil and gas pipelines, they are seen in many industries. Automotive manufacturing, mechanical engineering, and construction are a few sectors that benefit greatly from carbon steel pipes.
Carbon steel pipes have many critical applications, such as civil engineering, transportation, and construction. It is, therefore, necessary that they meet quality standards. They must fulfill the strength regulations required by their application. Ensuring that you obtain carbon steel from a reliable manufacturer is highly important.
List of 15 Carbon Steel Tube Manufacturers
We have compiled a list of the best manufacturers in the industry to help you select the ideal supplier based on your requirements, location, and budget.
Prodotti per tubazioni americani
American Piping Products is a private steel pipe supplier in Missouri, USA. Established in 1994, they have slowly curated a large inventory of pipes, tubes, and fittings since then. Their stock includes seamless carbon pipes, welded carbon pipes, low-temperature pipes, and many more options. American Piping Products are not limited to products, they also offer value services like mechanical tubing. They adhere to the ASTM and API standards. With pipe yards in Houston, Chicago, and St. Louis, they export products worldwide. They have been awarded the ISO 9001:2005 certification and fulfill the requirements of the API Q1 steel standard.
UNIASEN
UNIASEN is one of China’s leading carbon steel pipe manufacturers, founded in 1998 in Tianjin, China. They partner with major steel mills in China for raw materials: HBIS, BAOSTEEL, and ANBEN. UNIASEN’s product catalog includes ERW, seamless, LSAW, and hollow section pipes. They have undertaken several international projects: MOGE pipeline laying, Auckland port expansion, and the PDVSA pipeline project. With ISO 9001 and CE-certified manufacturing processes, they export to more than 75 countries worldwide.
Kelly Pipe
Kelly Pipe is one of the USA’s largest carbon steel pipe suppliers and distributors since 1898, headquartered in Santa Fe, California. They have cemented their reputation by being one of the primary suppliers to government institutions, water distributors, energy companies, and municipalities. They have exceptional lines and standard pipes. Their stock of domestic and imported carbon steel pipes is vast. Other products include plastic pipes, cement-coated pipes, and stainless-steel products. They provide services like blasting, cutting, grooving, and other pipe-forming operations.
Permanent Steel Manufacturing Co., Ltd
Permanent Steel Manufacturing Company has produced carbon steel pipes from Hunan, China, since 2000. Today, they have expanded their production bases into Shandong and Tianjin. They produce several carbon steel pipes, such as seamless, ERW, LSAW, and SSAW pipes. They also make casing, tubing, and galvanized steel pipes. They have a world-class 250,000 square meter production facility. They have successfully executed projects worldwide: water treatment in Georgia, Gas Pipeline laying in Russia, and a thermal power plant in Tanzania.
Hayward Pipe and Supply Co.
Founded in 1980 in Hayward, California, USA, Hayward Pipe and Supply Company is a comprehensive carbon steel pipe supplier. They offer a “complete piping package” that includes pipes, fittings, valves, and other accessories. They supply pipes to chemical factories, power generation units, mining facilities, industrial manufacturers, etc. Their clients include government, non-government, and private bodies. They provide piping solutions in low-temperature carbon steel, aluminum, chrome-moly, and many more materials. Their popular products are pipes, pipe fittings, hangers, valves, end configurations, and accessories.
Octal
Octal Steel is one of China’s leading suppliers of carbon steel pipes for oil and gas industries worldwide. Established in 2006 in Henan, China, it is also in Singapore and Hong Kong. Their products adhere to API and ASTM standards. Some of the popular ones are the API 5L line pipe, carbon alloy pipe, casing & tubing, steel plate, sucker rods, and steel pipe fittings. Octal was placed on the Fortune Global 500 Companies list in 2019. Octal represents the top piping manufacturers in China: TPCO, Hengyang Valin, and Baosteel. With a dedicated Purchase Department, they prioritize customer experience and after-sales support.
Nansteel Manufacturing Co., Ltd
Nansteel Manufacturing Company supplies carbon steel pipes, structural equipment, and OCTG. The company has been operating since 2010 and has its headquarters in Changsha, Hunan, China. Their carbon steel products include seamless steel pipe, ERW steel pipe, SSAW steel pipe, LSAW steel pipe, and more. Their factories are ISO 9001:2008 certified and cover an area of over 62,000 square meters. They have collaborated with many multinational firms: KOC, PTTEP, and Pertamina.
DNOW
DNOW is an American industrial and engineering goods supplier with a long history in manufacturing. It began in 1862 as an oil equipment business. DNOW expanded over the years to produce a variety of manufacturing equipment. Its headquarters is in Houston, Texas. They manufacture carbon steel pipes like ERW, seamless, DSAW, CW, and coiled lines. They have partnerships with many steel suppliers in the industry. They work on onshore/offshore drilling rigs, gas distribution, energy transition, and many more projects.
Geldbach UK Ltd
Established in 2006, Geldbach UK is one of Europe’s leading carbon and alloy steel pipe manufacturers. Headquartered in Oldbury, England, Geldbach has two warehouses of sizes 36,000 square feet and 17,500 square feet. This enables them to serve UK-based clientele with same-day or next-day delivery. Their product catalog includes seamless and welded pipes. They also manufacture pipe fittings and flanges. They have contributed to petrochemical, oil & gas, mechanical, H & V, and shipbuilding projects.
Eastern Steel
Established in 2010 in Changsha, China, Eastern Steel produces seamless, ERW, and DSAW pipes. In addition, they manufacture pipe fittings, OCTG, hollow sections, and electrical steel. They make carbon steel pipes according to the ASTM, ASME, DIN, JIS, ISO, and API regulations. They prioritize customer service and global sourcing. Their primary projects include food processing plants, chemical and brewing industries, pharmaceutical, construction, and oil & gas.
Neo Impex Stainless Pvt. Ltd. (NISPL)
Neo Impex Stainless came into existence in 1980. Their headquarters is in Mumbai, India, while their in-house production unit is in Vadodara, Gujarat, India. They are an ISO 9001:2000 certified company producing carbon steel, alloy steel, and stainless steel. They manufacture buttweld pipe fittings, flanges, forged socket weld fittings, forged threaded fittings, and many more. NISPL is a supplier of carbon steel in petrochemical wells, oil & gas rigs, power plants, pharmaceuticals, chemicals, and many other critical industries.
Hebei Sanvo Pipes and Fittings Co., Ltd
Hebei Sanvo Pipes and Fittings started in 1997 in Cangzhou City, Hebei, China. They were given the ISO 9001:2008 certificate in 2005. Hebei Sanvo has over 20 years of experience in pipe manufacturing. With 14 production lines and 30 processing equipment, they produce over 10,000 tonnes of pipe products annually. They manufacture carbon steel seamless black pipes, stainless steel seamless pipes, carbon steel seamless galvanized pipes, and many more. In addition, they produce welded flanges, threaded flanges, and valves.
Federal Steel Supply
Federal Steel Supply has been one of the United States’ most well-known heavy-duty pipe manufacturers since 1979. Founded in St. Louis, Missouri, they have expanded to several new locations over the years. They currently have pipe yards in St. Louis, Houston, and Chesterfield. Their popular products include ASTM SA/A106, A53, A333 low temperature, and API 5L line pipe. They manufacture pipes according to customer designs, offering thicknesses up to 0.4 inches and higher. They are suppliers of oil & gas, pipe fabricators, shipbuilders, and OEMs.
FerroPipe
FerroPipe is an Indian pipe manufacturing company located in Mumbai, Maharashtra, founded in 2015. They produce tubular products for several energy-based companies. Popular products include casings, tubings, boilers, heat exchangers, low-temperature tubes, and many more. They produce piping equipment in alloy steel, carbon steel, and chrome moly. FerroPipe specializes in bearing, automotive, mining, and OCTG sector requirements.
Dinesh Metal Industries
With over 20 years of experience in the metalworking industry, Dinesh Metal Industries is a reliable manufacturer of steel pipes. Based out of Mumbai, Maharashtra, they are recognized as one of the largest stockholders of carbon steel pipes. They supply seamless carbon steel pipes, alloy steel pipes, and API 5L Grade B pipes to several industries. They provide pipes in standards like API, EN, DIN, and IS. They are pipe suppliers to several public sector companies in the energy, oil & gas, and automotive industries.
Domande frequenti
What is a carbon steel Pipe?
A carbon steel pipe is a tubular structure made using a steel alloy known as carbon steel. Pipes have many purposes: transportation of fluids, structural support, and electrical conductance. Pipes constructed from carbon steel have high tensile strength, durability, and cost-effectiveness.
What are the main types of carbon steel pipe?
The primary kinds of carbon steel pipes are:
- Carbon steel ERW pipes
- Carbon steel welded pipes
- Carbon steel fabricated pipes
- Carbon steel ASTM A335 pipes
- Tubi in acciaio al carbonio senza saldatura
- Carbon steel LSAW pipes
What are the grades of carbon steel pipes?
There are several grades of carbon steel pipes. Keeping these in mind is necessary for optimal use. Grade ASTM A106, A53, and A333 are suitable for both low- and high-temperature applications. Grade ASTM A335 is reserved explicitly for high-temperature applications. Grade ASTM A312, A358, and A269 are suited for general-purpose applications.
What are the main applications of carbon steel pipes?
Carbon steel pipes are used in construction to provide supports like scaffolding, ramparts, and pillars. Carbon steel piles in H and circular frame support building foundations. Oil and gas rigs utilize carbon steel pipelines for fluid transportation. They are an important component in manufacturing, transportation, and shipbuilding.
What is the service life of a carbon steel pipe?
The service life of carbon steel pipes is around 15 years. Many factors influence pipe lifespan. Corrosion is the most common form of pipe degradation. Pipes laid indoors or in dry environments tend to last longer. Steel grade, anti-corrosive coatings, and material contact are other important factors.
What certifications should I look for?
Quando si acquistano tubi in acciaio al carbonio, è necessario cercare le certificazioni di organizzazioni accreditate. Le certificazioni determinano se un certo tipo di tubo è sicuro da usare nella situazione prevista dal produttore. Le principali certificazioni negli USA sono ASTM, ASME e API.
Quali fattori influenzano i prezzi?
I tubi in acciaio al carbonio sono generalmente accessibili, ma il prezzo può essere influenzato dalle materie prime. Le certificazioni degli stabilimenti, i costi di produzione e le normative sugli standard di qualità possono far aumentare il costo dei tubi a seconda del luogo di acquisto. Inoltre, anche la qualità dei tubi in acciaio al carbonio può influire sul prezzo, a seconda del processo di produzione.