Maduka Metals stands out as a reliable manufacturer and supplier of top-notch Stainless Steel Hollow Bars right here in Abuja, Nigeria. We take pride in crafting our hollow bars with precision, ensuring they meet global standards for strength, corrosion resistance, and durability. With a variety of grades and dimensions available, these bars are perfect for machining, fabrication, and structural applications. At Maduka Metals, we focus on delivering excellence in our products, timely deliveries, and ensuring our customers are satisfied. We cater to industries like oil and gas, construction, and engineering. Our Stainless Steel Hollow Bars are designed for performance, reliability, and longevity, making them the go-to choice for demanding industrial settings.
Our Stainless Steel Hollow Bars are made up of iron, chromium (16–20%), nickel (8–12%), along with trace amounts of molybdenum, manganese, and silicon. This unique blend gives them outstanding resistance to corrosion and oxidation. These bars boast impressive mechanical properties, including high tensile strength (up to 750 MPa), a yield strength of about 500 MPa, and an elongation rate of 35–40%. They are tough and hard, maintaining their structural integrity even under high temperatures and pressure. Plus, their smooth surface finish and consistent structure make them ideal for precision machining and fabrication tasks.
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Standard
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ASTM A511 or equivalent
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|
Size Range
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32 x 16 mm – 250 x 200 mm
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|
Grades
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316
|
|
Finishes
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As rolled
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|
Condition
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Annealed and pickled
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Processing
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Bar Cutting
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Outside diameter 1
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Wall thickness 1
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Type
|
Specification
|
Quality
|
|---|---|---|---|---|
|
|
11,600
|
Hollow bar
|
EN 10216-5
|
1.4404
|
|
|
20,050
|
Hollow bar
|
EN 10216-5
|
1.4404
|
|
|
9,700
|
Hollow bar
|
EN 10216-5
|
1.4404
|
|
100,000
|
10,000
|
Hollow bar
|
EN 10294-1
|
E470
|
|
100,000
|
10,000
|
Hollow bar
|
EN 10294-1
|
E470
|
|
100,000
|
10,000
|
Hollow bar
|
EN 10216-5
|
1.4306
|
|
100,000
|
10,000
|
Hollow bar
|
EN 10216-5
|
1.4404
|
|
100,000
|
10,000
|
Hollow bar
|
EN 10294-1
|
E470
|
|
100,000
|
10,000
|
Hollow bar
|
ISO2938-
|
20MNV6
|
|
100,000
|
10,000
|
Hollow bar
|
EN 10216-5
|
1.4306
|
|
100,000
|
10,000
|
Hollow bar
|
EN 10216-5
|
1.4404
|
|
100,000
|
12,500
|
Hollow bar
|
EN 10294-1
|
E470
|
|
100,000
|
12,500
|
Hollow bar
|
EN 10294-1
|
E470
|
|
100,000
|
12,500
|
Hollow bar
|
ISO2938-
|
20MNV6
|
|
100,000
|
12,500
|
Hollow bar
|
EN 10294-1
|
E470
|
|
100,000
|
12,500
|
Hollow bar
|
EN 10294-1
|
E470
|
|
100,000
|
14,500
|
Hollow bar
|
EN 10216-5
|
1.4404
|
|
100,000
|
14,500
|
Hollow bar
|
EN 10294-1
|
E470
|
|
100,000
|
14,500
|
Hollow bar
|
ISO2938-
|
20MNV6
|
|
100,000
|
14,500
|
Hollow bar
|
EN 10216-5
|
1.4404
|
|
100,000
|
15,000
|
Hollow bar
|
EN 10294-1
|
E470
|
|
100,000
|
15,000
|
Hollow bar
|
EN 10294-1
|
E470
|
|
100,000
|
15,000
|
Hollow bar
|
EN 10294-1
|
E470
|
|
100,000
|
17,500
|
Hollow bar
|
EN 10294-1
|
E470
|
|
100,000
|
17,500
|
Hollow bar
|
EN 10294-1
|
E470
|
|
100,000
|
18,500
|
Hollow bar
|
EN 10294-1
|
E470
|
|
100,000
|
18,500
|
Hollow bar
|
EN 10294-1
|
E470
|
|
100,000
|
18,500
|
Hollow bar
|
ISO2938-
|
20MNV6
|
|
100,000
|
18,500
|
Hollow bar
|
EN 10216-5
|
1.4404
|
|
100,000
|
20,000
|
Hollow bar
|
EN 10294-1
|
E470
|
|
100,000
|
20,000
|
Hollow bar
|
EN 10294-1
|
E470
|
|
100,000
|
20,000
|
Hollow bar
|
EN 10294-1
|
E470
|
|
100,000
|
22,000
|
Hollow bar
|
EN 10216-5
|
1.4404
|
|
100,000
|
22,000
|
Hollow bar
|
EN 10216-5
|
1.4306
|
|
100,000
|
22,000
|
Hollow bar
|
EN 10294-1
|
E470
|
|
100,000
|
22,000
|
Hollow bar
|
ISO2938-
|
20MNV6
|
|
100,000
|
22,000
|
Hollow bar
|
EN 10216-5
|
1.4404
|
|
100,000
|
22,500
|
Hollow bar
|
EN 10294-1
|
E470
|
|
100,000
|
22,500
|
Hollow bar
|
EN 10294-1
|
E470
|
|
100,000
|
22,500
|
Hollow bar
|
EN 10294-1
|
E470
|
|
100,000
|
45,000
|
Hollow bar
|
EN 10294-1
|
E470
|
|
101,000
|
30,000
|
Hollow bar
|
EN 10294-1
|
E470
|
|
101,600 (3 1/3″)
|
12,500
|
Hollow bar
|
ISO2938-
|
20MNV6
|
|
101,600 (3 1/3″)
|
14,900
|
Hollow bar
|
EN 10294-1
|
OVAKO 280
|
|
101,600 (3 1/3″)
|
16,000
|
Hollow bar
|
ISO2938-
|
20MNV6
|
|
101,600 (3 1/3″)
|
28,000
|
Hollow bar
|
ISO2938-
|
20MNV6
|
|
102,000
|
11,000
|
Hollow bar
|
ISO2938-
|
20MNV6
|
|
105,000
|
12,500
|
Hollow bar
|
EN 10294-1
|
E470
|
|
105,000
|
12,500
|
Hollow bar
|
EN 10294-1
|
E470
|
|
105,000
|
12,500
|
Hollow bar
|
EN 10294-1
|
E470
|
Stainless steel hollow bars offer excellent strength, corrosion resistance, and durability, making them ideal for demanding industrial applications. They are lightweight yet strong, resistant to rust, and perform well in harsh environments like chemicals, high temperatures, and marine conditions. Their versatility suits industries like automotive, aerospace, and construction.
Industries such as automotive, aerospace, construction, and oil & gas benefit greatly from stainless steel hollow bars due to their strength, corrosion resistance, and versatility. These bars are ideal for structural components, hydraulic systems, shafts, and piping, providing reliability in demanding environments like high pressure, extreme temperatures, and exposure to chemicals.
Stainless steel hollow bars are manufactured through processes like extrusion, piercing, or rotary piercing, followed by elongation to form hollow tubes. These bars undergo heat treatment for strength and durability, followed by machining to achieve precise dimensions. The process ensures high-quality, corrosion-resistant, and versatile hollow bars for industrial applications.
Stainless Steel Hollow Bars find their place in various industries that demand high strength, corrosion resistance, and easy fabrication. They’re commonly used in making hydraulic cylinders, pressure vessels, heat exchangers, and automotive parts. These bars are also essential in construction frameworks, marine applications, and oil and gas pipelines, thanks to their ability to endure harsh environmental conditions. In the chemical and food processing sectors, hollow bars are favored for their sanitary properties and durability. Their versatility makes them crucial for both mechanical and structural engineering projects.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Maduka Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Abuja, Nigeria
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