Wholesale Metal Service Center Serving the Greater Philadelphia and Mid-Atlantic Region

We Supply Tubing and Pipe for All Your Needs

At McKnight Steel, we specialize in carbon, stainless, aluminum, and alloy tubing and pipe products. We have an extensive in-stock assortment of tubing and pipe in round, square, and rectangular shapes. Processing options include cutting, deburring, chamfering and threading. Regardless of the size or scope of your project, we are confident that we have the materials you need to get your job done.

As an industry leader, McKnight Steel maintains an extensive selection of Tubing and Pipe products in various metals, grades, shapes, and specifications.

In addition to its tubing and pipe products, McKnight Steel & Tube Co. sells a variety of other Metal Products , including bar, rod, angle, channel, beam, and plate in various dimensions and sizes. Material is available to a variety of ASTM specifications and in a variety of grades. Industry-standard and specialty sizes are available in both imperial and metric measurements. All material can be cut to length, and deburring, chamfering, and threading services are also available.

As an industry leader, we strive to provide you with:

  • DFAR compliant material
  • Material to ASTM specifications
  • IMPERIAL or METRIC sizes
  • Material Test Reports are available with shipment
  • Material can be provided cut to desired length
  • Deburring, chamfering, and threading services

Our Commitment to You

With over sixty years in the industry, our success is built upon the dedication and reliability of our people. We strive to remain a leading metal service center and do so by developing and maintaining beneficial relationships with our suppliers and customers. At McKnight Steel & Tube Co., we pride ourselves on having the most knowledgeable and professional staff available to answer your questions.

McKnight Steel is the go-to metal supplier for:

  • Machine Shops
  • Metal Fabricators
  • Mechanical Contractors
  • Metal Distributors
  • Equipment Manufacturers
  • Construction Companies
  • Motor Sport Industry

Our staff is prepared to identify and anticipate your needs. Please contact us today.

We train and educate our staff in order to identify and anticipate your needs.

Please call us at (215)-396-9976 today!




Alloy Tubing and Pipe (4130-4142)

.125″ to 20″ OD

ASTM A513 Type 5; ASTM A519; AMS 6360; AMS T 6736; Mil T 6736B

Aluminum Tubing and Pipe (3003, 5052, 6061, 6063)

.188″ to 16″ OD

ASTM B210; ASTM B221; ASTM B241

Carbon Tubing and Pipe

.125″ to 48″ OD

ASTM A53; ASTM A106; ASTM A500; ASTM A512; ASTM A513; ASTM A519; SAE J 525

Nickel Tubing and Pipe (Monel, Inconel)

.125″ to 18″ OD

ASTM B161; ASTM B730; AMS 5580, AMS 5581, AMS 5589, AMS 5590; Mil T 1368

Stainless Tubing and Pipe (304, 316, 321, 310)

.063″ to 26″ OD

ASTM A213; ASTM A249; ASTM A269; ASTM 312; ASTM A511; ASTM A554

Titanium Tubing and Pipe

.250″ to 3″ OD

ASTM B861; ASTM B862; AMS 4941; AMS 4942; AMS 4943; AMS 4944

Driveline; Honed ID Tubing

.250″ to 6″ OD

ASTM A513 Type 5; ASTM A519

Hydraulic Fluid Line; Boiler Tubing

.125″ to 4″ OD

ASTM A178; ASTM 214; SAE J524; SAE J525

Ornamental Stainless Tubing

.500″ to 6″ OD


Sanitary Tubing

1″ to 6″ OD


Chrome Round Bar

.5″ to 12″ OD


Alloy Flat Bar and Angle (4130-4142)

.125″ to 6″ Thick;

.5″x.5″ to 8″x8″

ASTM A29; ASTM A108; ASTM A304; ASTM A322; ASTM A572; ASTM A588

Aluminum Flat Bar and Angle (6061, 6063)

.125″ to 6″ Thick;

.5″x.5″ to 8″x8″

ASTM B211; ASTM B221; ASTM A6061; AMS 2772; AMS 4116; AMS 4117; AMS 4128; AMS 4150; AMS 4160; AMS 4161

Carbon Flat Bar and Angle

.125″ to 6″ Thick;

.5″x.5″ to 8″x8″

ASTM A29; ASTM A36; ASTM A108; ASTM A304; ASTM A529; ASTM A572

Stainless Flat Bar and Angle (303, 304, 316)

.125″ to 6″ Thick;

.5″x.5″ to 8″x8″

ASTM A276; ASTM A479; ASTM A480; ASTM A582; AMS 5639; AMS 5640; AMS 5653

The Metal Experience

  • In Business Since 1954
  • Family Owned and Operated
  • Material Test Reports Available
  • Domestic and DFAR Compliant Material Available
  • Company Trucks Deliver within a 120 mile radius of our Philadelphia location
  • Delivery by Common Carrier Across the United States
  • Close Working Relationships with an Assortment of Industry Professionals

How can we help you?