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 South Africa, supplying premium-quality industrial piping products to customers across the mining, oil & gas, petrochemical, chemical processing, power generation, marine, water treatment, renewable energy, and infrastructure industries. 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 throughout South Africa.
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Top trusted flanges and pipe fittings supplier in Johannesburg. Supplying piping components for major mining houses, commercial utilities, and infrastructure.
Reliable flanges and pipe fittings supplier in Cape Town. Serving maritime transport, marine shipbuilding, and regional water supply utilities.
Leading flanges and pipe fittings supplier in Durban. The busiest port in sub-Saharan Africa, serving shipyards, chemical manufacturing, and refineries.
Top trusted flanges and pipe fittings supplier in Richards Bay. Supplying robust piping materials for coal terminals, mining, and heavy smelting operations.
Premium flanges and pipe fittings supplier in Secunda. Serving the major synthetic fuel, coal gasification, and petrochemical refining complexes.
Trusted flanges and pipe fittings supplier in Port Elizabeth. Supplying high-quality pipeline products for automotive assembly, manufacturing, and port 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 South Africa, supplying premium-quality industrial piping products to customers across the mining, oil & gas, petrochemical, chemical processing, power generation, marine, water treatment, renewable energy, and infrastructure industries. 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 throughout South Africa.
South Africa is one of Africa's largest industrial economies and is internationally known for its mining industry, petrochemical production, energy sector, ports, and heavy manufacturing. Industrial hubs including Johannesburg, Cape Town, Durban, Pretoria, Port Elizabeth, Richards Bay, and Secunda require high-quality piping systems capable of operating under high pressure, elevated temperatures, abrasive conditions, and corrosive environments. Prime Steel Corporation manufactures industrial piping products using advanced production technology, precision machining, and strict quality assurance procedures to ensure exceptional durability, dimensional accuracy, and dependable performance.
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 product undergoes comprehensive dimensional inspection, material verification, and quality testing before shipment to ensure compliance with international manufacturing standards and customer specifications.
Prime Steel Corporation manufactures and exports a comprehensive range of ASME & ANSI B16.5 Flanges designed for industrial piping systems operating under low, medium, and high-pressure conditions. Our flanges provide secure pipe connections, superior sealing capability, and outstanding mechanical strength for demanding industrial applications.
Our flange range includes:
Available in multiple pressure classes, sizes, and facing configurations, our flanges are widely used in mining operations, petrochemical plants, refineries, power stations, marine facilities, water treatment plants, and industrial processing units throughout South Africa. Carbon Steel flanges provide excellent mechanical strength for high-pressure systems, while Stainless Steel, Duplex Steel, and Super Duplex Steel flanges offer outstanding resistance to corrosion and abrasive operating conditions.
Prime Steel Corporation manufactures premium-quality ASME B16.9 Buttweld Pipe Fittings designed to provide secure pipe connections, efficient flow characteristics, and long-term operational reliability. Manufactured using premium-quality raw materials and modern production processes, our fittings ensure excellent dimensional accuracy and long service life.
Our buttweld fitting range includes:
These buttweld fittings are extensively supplied to mining operations, petrochemical industries, chemical processing plants, power generation facilities, marine engineering projects, water treatment plants, and heavy industrial manufacturing facilities across South Africa.
Prime Steel Corporation also manufactures ASME B16.11 Forged Pipe Fittings for high-pressure piping systems requiring socket weld or threaded connections. Every forged fitting is precision manufactured and rigorously tested to ensure exceptional mechanical strength, leak-free performance, and long operational life.
Our forged fitting range includes:
These forged fittings are widely used in hydraulic systems, instrumentation piping, steam lines, mining operations, process industries, and industrial manufacturing plants requiring dependable high-pressure pipe connections.
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 provide products that deliver superior corrosion resistance, high mechanical strength, and excellent performance in harsh industrial environments.
Our industrial piping products are supplied to customers across Johannesburg, Cape Town, Durban, Pretoria, Port Elizabeth, Richards Bay, Secunda, and other major industrial regions.
Major industries include:
Our products are manufactured to provide reliable 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 South Africa, supplying premium-quality ASME B16.5 Flanges, ASME B16.9 Buttweld Pipe Fittings, and ASME B16.11 Forged Pipe Fittings for mining, petrochemical, oil & gas, power generation, marine, chemical processing, and industrial manufacturing 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 South Africa.
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
