In a fast-evolving industry, Prime Steel Industries remains adaptive, ensuring that its products and services align with the dynamic demands of the market.
Godown Address: No.6, Ground Floor, 32, Parekh House,
7th Khetwadi, Mumbai – 400004, Maharashtra, India.
Prime Steel Corporation is a trusted ASME & ANSI B16.5 Flanges & Pipe Fittings Manufacturer & Supplier in Qatar, offering premium-quality industrial piping products for the oil & gas, LNG, petrochemical, offshore, marine, power generation, desalination, and infrastructure sectors. As a globally recognized manufacturer and exporter, we deliver precision-engineered flanges and pipe fittings that comply with international standards and meet the demanding requirements of industrial projects across Qatar.
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Top trusted flanges and pipe fittings supplier in Doha. Supplying certified pipeline components for commercial, water networks, and urban infrastructure developments.
Reliable flanges and pipe fittings supplier in Ras Laffan. Catering to Qatar's premier industrial hub for LNG production, processing, and exports.
Leading flanges and pipe fittings supplier in Mesaieed. Serving major refineries, petrochemical plants, steel mills, and light industrial factories.
Top trusted flanges and pipe fittings supplier in Al Khor. Essential for regional construction, marine services, and residential utility networks.
Premium flanges and pipe fittings supplier in Dukhan. Providing robust high-pressure fittings for onshore oil & gas exploration and production fields.
Trusted flanges and pipe fittings supplier in Al Wakrah. Supplying high-quality piping products for port expansions, infrastructure projects, and marine services.
The ANSI/ASME B16.5 and B16.47 flange specifications have their origins in the earlier B16.1 specification. B16.1 primarily dealt with cast iron flanges, and as industrial needs evolved.
Read MoreDeutsches Institute fur Normung flange specification, consisting of a variety of European styles that have been unified into one code for commonality.
American Petroleum Institute flanges and fittings are referenced under API 6A and utilized for high-pressure oilfield applications.
“JIS” Stands for Japanese Industrial Standard and is published by the Japanese Standards Association (JSA), the equivalent of ANSI in the United States.
Read MoreAmerican Water Works Association flanges are the exact opposite of the API flanges and can be found in various assemblies in which temperature is ambient and media is not corrosive.
Read MoreGOST refers to the national standards system used in Russia and other countries that were part of the former Soviet Union. These standards are set by the Federal Agency.
Read MoreIn the realm of piping systems and engineering, terms like "Flange Pressure Class," "Flange Class Rating," and "Flange Class" are often employed interchangeably to denote the pressure rating or class designation of a flange. This class rating is a pivotal parameter, specifying the pressure at which a flange can safely operate within a given system. A typical representation includes the class number followed by symbols like ‘#’, ‘Lb’, or ‘lbs’ – for instance, a "Class 150#" flange denotes a pressure rating of 150 pounds per square inch (psi).
Flanges are classified into different pressure classes to specify their maximum working pressure and are designed to suit different pressure ratings. The pressure class is an important factor in determining the appropriate flange for a specific application. The working pressure depends on various factors, including the material, temperature, and other design considerations.
If you need precise information about the working pressure for a Class 1500 flange, it is essential to consult the industry standards ASME/ANSI B16.5 for flanges. The standards or manufacturer's documentation will provide the necessary details regarding the maximum allowable working pressure for a Class 1500 flange under specific conditions.
The '#' symbol is used to indicate pounds, so it's as "150 pounds per square inch." Commonly used in low-pressure applications such as water supply, heating, and general industrial processes.
Read MoreThe '#' symbol is used to indicate pounds, so it's as "300 pounds per square inch." Suitable for moderate-pressure applications in industries like chemical processing and oil refineries.
Read MoreThe '#' symbol is used to indicate pounds, so it's as "600 pounds per square inch." Used in higher-pressure applications where increased strength and reliability are required, such as in power plants.
Read MoreThe '#' symbol is used to indicate pounds, so it's as "900 pounds per square inch." Employed in demanding applications with higher pressure requirements, and high-temperature processes.
Read MoreThe '#' symbol is used to indicate pounds, so it's as "1500 pounds per square inch." Designed for severe service conditions, often found in the chemical and petrochemical industries.
Read MoreThe '#' symbol is used to indicate pounds, so it's as "2500 pounds per square inch." Reserved for high-pressure applications, such as those found in critical processes within the oil & gas industry.
Read MorePrime Steel Corporation is a trusted ASME & ANSI B16.5 Flanges & Pipe Fittings Manufacturer & Supplier in Qatar, offering premium-quality industrial piping products for the oil & gas, LNG, petrochemical, offshore, marine, power generation, desalination, and infrastructure sectors. As a globally recognized manufacturer and exporter, we deliver precision-engineered flanges and pipe fittings that comply with international standards and meet the demanding requirements of industrial projects across Qatar.
Qatar is one of the world's largest exporters of liquefied natural gas (LNG) and continues to invest significantly in energy infrastructure, petrochemical complexes, offshore developments, and industrial expansion. These projects require reliable piping components capable of performing under extreme temperatures, high pressure, and corrosive process conditions. Prime Steel Corporation manufactures products using advanced production technology and strict quality control procedures to ensure long service life, dimensional accuracy, and exceptional mechanical performance.
Our manufacturing capabilities include products in Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel, Super Duplex Steel, Low Temperature Carbon Steel, Nickel Alloys, Inconel, Monel, Hastelloy, Titanium, Copper Nickel, and other specialty alloys. Every product undergoes rigorous quality inspections, material verification, and dimensional testing before dispatch to ensure complete customer satisfaction and compliance with international standards.
Prime Steel Corporation manufactures and exports a complete range of ASME & ANSI B16.5 Flanges for industrial piping systems operating under low, medium, and high-pressure conditions. Our flanges are precision-machined to provide leak-proof connections, excellent sealing performance, and superior durability in demanding industrial applications.
Our flange range includes:
Available in various pressure classes, sizes, and facing configurations, our flanges are widely used in LNG terminals, gas processing plants, refineries, offshore platforms, chemical plants, desalination facilities, and industrial piping systems across Qatar. Carbon Steel flanges offer outstanding strength for high-pressure services, while Stainless Steel and Duplex Steel flanges provide superior resistance to corrosion in aggressive environments.
Prime Steel Corporation manufactures a complete range of ASME B16.9 Buttweld Pipe Fittings that provide reliable pipe connections and efficient flow characteristics for industrial piping systems. Manufactured using premium raw materials and advanced production processes, our fittings deliver high strength, excellent dimensional accuracy, and long operational life.
Our buttweld pipe fitting range includes:
Our buttweld fittings are extensively supplied to LNG facilities, gas processing plants, petrochemical industries, offshore projects, power stations, desalination plants, and EPC contractors throughout Qatar.
We also manufacture high-quality ASME B16.11 Forged Pipe Fittings for high-pressure piping systems requiring threaded and socket weld connections. These fittings are manufactured with precision machining and undergo stringent quality inspections to ensure dependable performance in critical industrial applications.
Our forged fitting range includes:
These forged fittings are widely used in instrumentation systems, hydraulic piping, steam lines, gas processing facilities, and high-pressure industrial installations across Qatar.
Prime Steel Corporation manufactures flanges and pipe fittings in a comprehensive range of materials to suit diverse industrial applications.
Our available materials include:
These materials are selected to provide exceptional corrosion resistance, mechanical strength, and durability in demanding industrial environments.
Our products are widely supplied to customers involved in:
Our piping products are designed to deliver reliable performance in critical applications while meeting international safety and quality standards.
Prime Steel Corporation has built a strong reputation by consistently delivering high-quality industrial piping products backed by engineering expertise and responsive customer support. Every product is manufactured under strict quality management procedures to ensure compliance with international specifications.
Our advantages include:
Prime Steel Corporation is a dependable ASME & ANSI B16.5 Flanges & Pipe Fittings Manufacturer & Supplier in Qatar, offering a complete range of ASME B16.5 Flanges, ASME B16.9 Buttweld Pipe Fittings, and ASME B16.11 Forged Pipe Fittings manufactured to international standards. Whether your project requires Carbon Steel, Stainless Steel, Duplex Steel, Alloy Steel, or specialty alloy products, we provide reliable piping solutions supported by advanced manufacturing, strict quality assurance, competitive pricing, and efficient worldwide delivery. Our commitment to quality and customer satisfaction makes us a preferred partner for industrial piping projects across Qatar.
The ANSI/ASME B16.5 standard serves as a comprehensive guide for the dimensions and tolerances of pipe flanges, covering a size range from ½" to 24" Nominal Pipe Size (NPS).
ANSI/ASME B16.36 standard stands as a specialized guide, addressing the dimensions and tolerances for a distinct category of flanges known as orifice flanges. Comparable to the widely used ANSI B16.5 standard, B16.36 distinguishes itself by placing a particular emphasis on orifice pressure differential connections.
The ANSI/ASME B16.47 standard is specifically designed to address the dimensions and tolerances of large-diameter pipe flanges, catering to sizes ranging from 26 to 60 inches Nominal Pipe Size (NPS). This standard is instrumental in ensuring the precise specifications for flanges intended for heavy-duty applications where larger diameters are required.
The ASME B16.47 Series B standard emerges as a cornerstone in the realm of large-diameter pipe flanges, offering meticulous guidance on dimensions and tolerances for sizes spanning from 26 to 60 inches in Nominal Pipe Size (NPS). Tailored to meet the demands of robust industrial applications, this standard stands out for its comprehensive coverage of pressure ratings, including Class 75, 150, 300, 400, 600, and 900 lbs.
Check ANSI/ASME B16.5, B 16.47 Series A & B, B16.48 Flange Dimensions Download
