In a fast-evolving industry, Prime Steel Industries remains adaptive, ensuring that its products and services align with the dynamic demands of the market.
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Prime Steel Corporation is a trusted ASME & ANSI B16.5 Flanges & Pipe Fittings Manufacturer & Supplier in Kazakhstan, supplying premium-quality industrial piping products for the oil & gas, petrochemical, refinery, mining, power generation, chemical processing, pipeline construction, water treatment, and heavy engineering industries. As a globally recognized manufacturer and exporter, we manufacture precision-engineered flanges and pipe fittings that comply with international standards while delivering exceptional durability, dimensional accuracy, and long-term performance for demanding industrial applications throughout Kazakhstan.
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Top trusted flanges and pipe fittings supplier in Almaty. The major commercial hub, supporting regional utility networks, metallurgy, and construction.
Reliable flanges and pipe fittings supplier in Astana. Serving capital infrastructure projects, district heating lines, and administrative developments.
Leading flanges and pipe fittings supplier in Atyrau. The heart of Kazakhstan's oil and gas sector near the Caspian Sea, supplying Kashagan and Tengiz.
Top trusted flanges and pipe fittings supplier in Aktau. A vital port on the Caspian Sea, supporting maritime logistics, shipbuilding, and desalinator piping.
Premium flanges and pipe fittings supplier in Karaganda. Supporting regional coal mining complexes, steel mills, and heavy smelting industries.
Trusted flanges and pipe fittings supplier in Shymkent. Supplying piping components for major oil refineries and chemical manufacturing operations.
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 Kazakhstan, supplying premium-quality industrial piping products for the oil & gas, petrochemical, refinery, mining, power generation, chemical processing, pipeline construction, water treatment, and heavy engineering industries. As a globally recognized manufacturer and exporter, we manufacture precision-engineered flanges and pipe fittings that comply with international standards while delivering exceptional durability, dimensional accuracy, and long-term performance for demanding industrial applications throughout Kazakhstan.
Kazakhstan is Central Asia's largest economy and one of the world's leading producers of crude oil, natural gas, uranium, copper, and other minerals. Major oil fields, pipeline infrastructure, petrochemical facilities, mining operations, and power generation projects continue to drive demand for high-quality industrial piping systems capable of operating under high pressure, extreme temperatures, and challenging environmental conditions. Industrial regions including Almaty, Astana, Atyrau, Aktau, Karaganda, Shymkent, Pavlodar, and Aktobe require reliable flanges and pipe fittings that comply with international quality and safety standards. Prime Steel Corporation manufactures products using advanced production technology, precision machining, and comprehensive quality assurance systems to ensure dependable performance and long service life.
Our manufacturing facility produces products in Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel, Super Duplex Steel, Low Temperature Carbon Steel, Nickel Alloys, Monel, Inconel, Hastelloy, Titanium, Copper Nickel, and other specialty alloys. Every flange and pipe fitting undergoes comprehensive dimensional inspection, PMI testing, hydrostatic testing, material verification, and quality control before shipment to ensure complete compliance with international manufacturing standards and customer specifications.
Prime Steel Corporation manufactures and exports a complete range of ASME & ANSI B16.5 Flanges designed for industrial piping systems operating under low, medium, and high-pressure conditions. Our flanges provide leak-proof pipe connections, superior sealing performance, and outstanding mechanical strength for critical industrial applications.
Our flange range includes:
Available in multiple pressure classes, dimensions, and facing configurations, our flanges are extensively used in oil fields, refineries, petrochemical complexes, natural gas processing plants, mining operations, power stations, pipeline projects, and industrial processing facilities across Kazakhstan. Carbon Steel flanges provide exceptional strength for high-pressure pipeline systems, while Stainless Steel, Duplex Steel, and Super Duplex Steel flanges offer superior corrosion resistance for chemical processing and aggressive operating environments.
Prime Steel Corporation manufactures premium-quality ASME B16.9 Buttweld Pipe Fittings engineered to provide secure pipe connections, smooth flow characteristics, and long-term operational reliability. Manufactured using premium raw materials and advanced production processes, our fittings ensure outstanding dimensional accuracy and superior durability.
Our buttweld fitting range includes:
These buttweld fittings are extensively supplied to Kazakhstan's oil & gas industry, petrochemical plants, pipeline construction projects, mining operations, power generation facilities, chemical processing plants, and industrial fabrication companies.
Prime Steel Corporation also manufactures ASME B16.11 Forged Pipe Fittings for high-pressure piping systems requiring threaded or socket weld connections. Every forged fitting is precision manufactured and rigorously tested to ensure leak-free performance, superior mechanical strength, and long service life.
Our forged fitting range includes:
These forged fittings are widely used in instrumentation systems, hydraulic piping, steam pipelines, oil & gas production facilities, petrochemical plants, mining operations, and industrial processing units throughout Kazakhstan.
Prime Steel Corporation manufactures flanges and pipe fittings in a comprehensive range of material grades suitable for demanding industrial applications.
Available materials include:
Our extensive material portfolio enables us to supply products capable of delivering outstanding corrosion resistance, excellent mechanical strength, and dependable performance under extreme industrial operating conditions.
Our industrial piping products are supplied to customers across Almaty, Astana, Atyrau, Aktau, Karaganda, Shymkent, Pavlodar, Aktobe, and other major industrial regions.
Major industries include:
Our products are engineered to provide dependable performance while complying with international quality and safety standards.
Prime Steel Corporation combines advanced manufacturing technology, experienced engineers, and rigorous quality management systems to deliver industrial piping products trusted by customers worldwide.
Our strengths include:
Prime Steel Corporation is a dependable ASME & ANSI B16.5 Flanges & Pipe Fittings Manufacturer & Supplier in Kazakhstan, supplying premium-quality ASME B16.5 Flanges, ASME B16.9 Buttweld Pipe Fittings, and ASME B16.11 Forged Pipe Fittings for oil & gas, petrochemical, refinery, mining, pipeline, power generation, and industrial applications. Manufactured in Carbon Steel, Stainless Steel, Duplex Steel, Alloy Steel, and specialty alloys, our products comply with international standards and are engineered for reliable performance in demanding industrial environments. With our commitment to quality, competitive pricing, and efficient worldwide delivery, Prime Steel Corporation continues to be a trusted partner for industrial piping solutions throughout Kazakhstan.
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
