Struggling to find a reliable structural steel tubing supplier? You’re not alone. With countless factories promising the best quality and prices, making the right choice can feel overwhelming—and one wrong turn could cost your business time and money. That’s why we’ve researched and compared the top structural-grade steel tubing manufacturers for you. Choosing the right supplier means better product quality, on-time deliveries, and long-term savings. Curious which factories truly stand out?

Dive into our article to discover the leaders in the field and make your next project a success.

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Structural Grade Steel Tubing Supplier – Mechanical Steel Tubing …

Product Details:
Lock Joint Tube manufactures and supplies structural grade and mechanical steel tubing including A500 & A513 grades, offering products such as hot rolled, cold rolled, aluminized, and galvanized steel tubing, available in a variety of shapes and coatings tailored to customer needs.

Technical Parameters:
– A500 & A513 structural grade steel tubing
– Hot rolled, cold rolled, aluminized, and galvanized tubing options
– Available in various shapes: square, rectangle, oval, round, non-symmetrical,
– Additional coatings available: Lock-On-Galv Clear and Weather-LOCK

Application Scenarios:
– Solar industry structures
– Automotive components
– Office furniture manufacturing
– Exercise and healthcare equipment
– Display fixtures and fencing

Pros:
– Wide range of tubing types and shapes to meet diverse requirements
– Ability to produce custom tubing based on unique customer specifications
– More than 100 years of industry experience indicating trusted quality
– Provides additional specialized coatings and technical support

Cons:
– No detailed technical data like size, wall thickness, or tolerances provided on
– No explicit mention of minimum order quantities or lead times

Structural Steel Tubing Supplier in NJ & NY – Allied Steel

Product Details:
Allied Steel supplies a wide range of structural steel tubing and other steel, aluminum, and stainless steel products for construction and industrial applications, serving New Jersey and New York. Their product lineup includes square, rectangular, and round steel tubes as part of a larger inventory of mild steel, aluminum, and stainless steel products. They also provide processing and fabrication services including plasma cutting, plate burning, punching, saw cutting, shearing, bending, forming, welding, drilling, and galvanizing.

Technical Parameters:
– Structural tubing available in multiple shapes: square, rectangular, and round.
– Associated products made from mild steel, aluminum, and stainless steel.
– Offerings include a variety of thicknesses, sizes, and profiles as part of a
– Ability to handle secondary operations (cutting, welding, etc.) in-house.

Application Scenarios:
– Commercial construction and contractor projects.
– Manufacturing applications requiring steel tubing.
– Residential building and renovation projects.
– Transportation, excavation, and maritime industry uses.

Pros:
– Extensive inventory of steel, aluminum, and stainless steel products.
– Wide range of in-house processing and custom fabrication services.
– Express Prime Delivery service available for fast turnaround.
– Service region includes a large area in NJ and NY, with localized expertise.

Cons:
– Detailed technical specifications for structural tubing (e.g., grade, wall
– Pricing information is not immediately available and must be requested.
– Potentially limited to regional service area (NJ & NY) for physical delivery.

Steel Tubing and Pipe Supplier – Ryerson

Product Details:
Ryerson supplies carbon steel tubing and pipe in various shapes (round, square, rectangular), grades (e.g., 1008/1010, 1010, 1020, 1026, A500 Gr B/C, A53), and types (CREW, HREW, Annealed, CDS, DOM, Hydraulic Tubing, Butt Weld, Welded). Products feature different outer diameters, wall thicknesses, and are suitable for both structural and pressure applications.

Technical Parameters:
– Rectangular Tube: Widths 0.5″ thru 12″, Wall Thickness up to 0.5″, Grades:
– Round Tube: OD 0.375″ thru 12″, Wall Thickness 0.035″ thru 1.25″, Grades: 1010,
– Square Tube: Widths 0.5″ thru 12″, Wall Thickness 0.049″ thru 0.5″, Grades:
– Pipe: Nominal sizes 0.375″ thru 10″, Schedule 10, 40, 80, Grades: A53, A500,

Application Scenarios:
– Transporting liquids, gases, and solids via pipe
– Load-bearing and structural applications
– Plumbing systems
– General structural framework using tube

Pros:
– Wide range of grades, sizes, shapes, and types available for diverse
– High strength due to manganese content and material properties
– High ductility, enabling steel structures to bend without rupturing
– Fully recyclable material, environmentally friendly

Cons:
– Variability in wall thickness among pipes with the same schedule number,
– No specific mention of corrosion resistance or long-term durability under

Rectangular and Square Tubing – Metals USA

Product Details:
Metals USA offers rectangular and square steel tubing, as part of their structural shapes product line. These products are available in multiple steel grades and are suitable for various construction and manufacturing applications. Other related products include angles, beams, channels, carbon steel bars, plates & sheets, galvanized steel, structural steel pipe, rebar, steel decking, grating, and expanded metal.

Technical Parameters:
– Available in multiple steel grades, such as A36, A529-50, A572-50, A709-50,
– Offerings include both rectangular and square profiles.
– Steel is available with options like hot-dipped galvanization for corrosion

Application Scenarios:
– Structural frameworks in building and construction projects.
– Manufacturing of industrial machinery, equipment, and support structures.
– Infrastructure projects such as bridges and decking.
– General fabrication where strong, rigid steel tubing is needed.

Pros:
– Wide range of steel grades and sizes to suit various structural requirements.
– Products can be supplied with added corrosion resistance (e.g., galvanized
– Sourcing from a company with industry certifications ensures quality and

Cons:
– Specific dimensions, tolerances, and availability details are not clearly
– Potential lack of detail on customizable product options or minimum order

Mechanical Steel Tubing – Industrial Tube

Product Details:
Industrial Tube and Steel Corporation is a distributor of mechanical steel tubing, Dura-Bar® cast iron products, hydraulic and structural tubing, carbon steel pipe, and turned, ground & polished bar (TG&P shafting). They offer various forms such as round, square, and rectangular bars, as well as custom saw cut plates and tubes. Materials include mild carbon steel, alloy steel (e.g., 4140), and continuous cast iron.

Technical Parameters:
– Mechanical tubing available in seamless and welded forms (including Drawn Over
– Dura-Bar® cast iron available in gray and ductile iron, supplied as round,
– Hydraulic tubing available as welded (J525) and seamless (J524), pressure tested
– TG&P shafting available in 1045, 4140 HT alloy, 303 stainless, and 316

Application Scenarios:
– Construction and heavy equipment manufacturing
– Hydraulics and fluid power applications
– Machinery, equipment, and structural components
– Industries utilizing steel tubing and cast iron bars

Pros:
– Wide selection of tubing and bar products in different grades and shapes
– Customizable solutions, including custom saw cutting and plates
– Pressure-tested hydraulic tubing options
– Expertise in multiple materials including alloy steel and continuous cast iron

Cons:
– Detailed specifications (dimensions, tolerances, certifications) not provided
– Limited visibility into minimum order quantities or lead times

Structural Tubing Supplier – Structural Steel Square & Rectangular Tube …

Product Details:
Supplier of structural steel tubing, with offerings including square and rectangular tube shapes under the Triple-S Steel Holdings, Inc. brand. Products are available in a variety of materials such as carbon steel, alloy steel, stainless steel, aluminum, copper, brass, and copper-nickel.

Technical Parameters:
– Available in square and rectangular shapes
– Multiple material options: carbon steel, alloy steel, stainless steel, aluminum
– Diverse steel shapes and sizes as part of product range

Application Scenarios:
– Construction and infrastructure projects
– Structural framing and support applications
– Metal building components and fabrication

Pros:
– Wide selection of materials and tube shapes
– Access to value-added services such as exports
– Extensive distribution network across multiple brands and locations

Cons:
– Specific technical details (e.g., dimensions, mechanical properties) not listed
– No direct mention of certifications or industry standards on the page

Structural Grade & High Strength Steel Tubing Supplier | T&B Tube

Product Details:
T&B Tube supplies structural grade and high strength steel tubing, including round, square, and rectangular tubes, for industrial structural applications. The company offers various types of steel tubing and provides related services such as custom cutting, deburring, managed inventory, custom packaging, consignment warehousing, and tube laser cutting.

Technical Parameters:
– Available in hot rolled, pickled and oiled, cold rolled, AKDQ, and HSLA steel
– Shapes include round, square, and rectangular steel tubing
– Services such as cut to length, deburring, and laser cutting provided

Application Scenarios:
– Structural and industrial construction
– OEMs (Original Equipment Manufacturers)
– Steel fabricators
– Steel service centers

Pros:
– Over three decades of experience in the steel industry
– Wide range of steel tube shapes and materials
– Additional value-added services (cutting, deburring, packaging, inventory

Cons:
– No explicit mention of specific size ranges, tolerances, or certifications on
– Technical performance data and exact product specifications not clearly

Structural Steel Tubing – MB Metals Tubing And Pipe

Product Details:
MB Metals supplies ERW structural steel tubing including Hollow Structural Sections (HSS), mechanical tubing, and ASTM A500/A53 Grade round structural pipe. Products are available in various sizes, grades, coatings (including galvanized and primer coated), and meet ASTM standards for structural applications.

Technical Parameters:
– Section sizes from 2” x 2” up to 12” x 12” and round tubing from 2” to 12”
– Wall thicknesses from .095” up to .500”
– Available lengths: 20’, 24’, 40’, and 48’
– Certified to ASTM A500 Grades A, B, C (and higher strength grades if needed);

Application Scenarios:
– Hand railings and staircases
– Roads, bridges, and street signs
– Safety railings, platforms, conveyor belts, and large manufacturing equipment
– Infrastructure and other high-stress structural applications

Pros:
– Extensive selection of sizes, grades, and specialty coatings
– High strength and reliability for heavy-duty and structural uses
– Excellent performance in corrosive, abrasive, or extreme temperature
– Trusted supplier with over 20 years of experience and reliable delivery

Cons:
– No specific mention of small-quantity or custom-length availability
– Coatings and specialty grades may require special order or lead times

Structural Tube – Nova Steel USA

Product Details:
The company provides hollow structural sections (HSS)—square, rectangular, and round tubes—in various thicknesses and grades such as ASTM A500 Grade B/C, ASTM A513, and CSA G0.21-04 50W. They also offer mechanical tubing and can supply different end finish options including square cut, bevelled end, threaded, roll grooved, as well as cut-to-length services.

Technical Parameters:
– HSS grades: ASTM A500 Grade B/C, ASTM A513, CSA G0.21-04 50 W
– HSS Square Tube: 2 1/2”x2 1/2” to 8”x8”
– HSS Rectangular Tube: 3”x2” to 12”x4”
– HSS Round Tube: 2.875” O.D. to 9 5/8” O.D., wall thickness 3/16” to .500”
– Mechanical Square Tube: 3/4”x3/4” to 2 1/2”x2 1/2”
– Mechanical Rectangular Tube: 2”x1” to 3”x2”
– Mechanical Round Tube: Up to 2 3/8” O.D., wall thickness 0.065” to 3/16”

Application Scenarios:
– Structural construction and engineering projects
– Machinery and fabrication requiring mechanical tubing
– Applications needing custom tube end finishes or cut-to-length services

Pros:
– Wide range of sizes and shapes in both structural and mechanical tubes
– Multiple material grades to meet varied project and code requirements
– Customizable end finishes and sizing options for versatility

Cons:
– No information provided on corrosion resistance or coatings
– Limited details on certification, traceability, or advanced quality standards

Structural Steel Pipe | Metals USA

Product Details:
Metals USA offers a range of structural steel products including structural steel pipe, structural shapes (angle, beam, channel), carbon steel bars, steel plate and sheet, hot dipped galvanized steel, rectangular and square tubing, rebar, steel composite decking, metal grating, and expanded metal. A variety of structural steel grades are available.

Technical Parameters:
– Availability of multiple structural steel grades such as A36, A529-50, A572-50,
– Products offered in various forms: pipes, angles, beams, channels, bars, plates
– Options for hot dipped galvanized steel for enhanced corrosion resistance.

Application Scenarios:
– Construction and infrastructure projects requiring structural steel components.
– Industrial facilities needing steel pipes, beams, and channels.
– Commercial and residential building frameworks.
– Projects that require custom steel grades or shapes.

Pros:
– Wide range of structural steel products and shapes.
– Availability of numerous certified steel grades for specific applications.
– Hot dipped galvanized steel option for improved durability.

Cons:
– No direct mention of custom fabrication or finishing services.
– Detailed technical specifications (e.g., dimensions, tolerances) not provided

Comparison Table

Company	Product Details	Pros	Cons	Website
Structural Grade Steel Tubing Supplier – Mechanical Steel Tubing …	Lock Joint Tube manufactures and supplies structural grade and mechanical steel	Wide range of tubing types and shapes to meet diverse requirements Ability to	No detailed technical data like size, wall thickness, or tolerances provided on	www.ljtube.com
Structural Steel Tubing Supplier in NJ & NY – Allied Steel	Allied Steel supplies a wide range of structural steel tubing and other steel,	Extensive inventory of steel, aluminum, and stainless steel products. Wide	Detailed technical specifications for structural tubing (e.g., grade, wall	www.alliedsteel.com
Steel Tubing and Pipe Supplier – Ryerson	Ryerson supplies carbon steel tubing and pipe in various shapes (round, square,	Wide range of grades, sizes, shapes, and types available for diverse	Variability in wall thickness among pipes with the same schedule number,	www.ryerson.com
Rectangular and Square Tubing – Metals USA	Metals USA offers rectangular and square steel tubing, as part of their	Wide range of steel grades and sizes to suit various structural requirements	Specific dimensions, tolerances, and availability details are not clearly	www.metalsusa.com
Mechanical Steel Tubing – Industrial Tube	Industrial Tube and Steel Corporation is a distributor of mechanical steel	Wide selection of tubing and bar products in different grades and	Detailed specifications (dimensions, tolerances, certifications) not provided	www.industrialtube.com
Structural Tubing Supplier – Structural Steel Square & Rectangular Tube …	Supplier of structural steel tubing, with offerings including square and	Wide selection of materials and tube shapes Access to value-added services such	Specific technical details (e.g., dimensions, mechanical properties) not	www.sss-steel.com
Structural Grade & High Strength Steel Tubing Supplier	T&B Tube	T&B Tube supplies structural grade and high strength steel tubing, including	Over three decades of experience in the steel industry Wide range of steel tube	No explicit mention of specific size ranges, tolerances, or certifications on
Structural Steel Tubing – MB Metals Tubing And Pipe	MB Metals supplies ERW structural steel tubing including Hollow Structural	Extensive selection of sizes, grades, and specialty coatings High strength and	No specific mention of small-quantity or custom-length availability Coatings	mbmetalstubingandpipe.com
Structural Tube – Nova Steel USA	The company provides hollow structural sections (HSS)—square, rectangular, and	Wide range of sizes and shapes in both structural and mechanical tubes Multiple	No information provided on corrosion resistance or coatings Limited details on	novasteelusa.com
Structural Steel Pipe	Metals USA	Metals USA offers a range of structural steel products including structural	Wide range of structural steel products and shapes. Availability of numerous	No direct mention of custom fabrication or finishing services. Detailed

Frequently Asked Questions (FAQs)

How can I identify a reliable structural grade steel tubing supplier?
Look for suppliers with valid certifications, a strong track record, and positive customer reviews. Check their years in business, ability to provide references, and willingness to share product test reports. Consistent communication and transparency about materials and processes are also signs of a trustworthy supplier.

What quality standards should suppliers of structural steel tubing follow?
Suppliers should meet recognized international standards such as ASTM, EN, or ISO for steel grades, dimensions, and tolerances. Ask for material certificates and ensure they conduct regular quality inspections. Meeting these standards ensures the steel tubing is safe and performs well in structural applications.

How do I compare prices between different manufacturers?
Request detailed quotes that specify grades, quantities, and delivery terms. Compare not just the price per unit, but also the included services like transportation, packaging, and after-sales support. Be cautious with prices that are much lower than average, as this could indicate compromised quality.

What factors affect lead time and delivery when ordering steel tubing?
Lead time depends on factors like manufacturing capacity, stock availability, order quantity, and customization needs. Clarify expected delivery dates, shipping methods, and possible delays upfront. Reliable suppliers will provide realistic timelines and keep you updated during the production and shipping process.

Is it better to buy from a local supplier or an overseas manufacturer?
Both options have pros and cons. Local suppliers often offer faster delivery and easier communication, but typically at a higher price. Overseas manufacturers may have lower costs and larger capacity, but longer lead times and potential import complications. Consider your priorities for cost, timing, and logistics.