Chicago Tube

Founded in 1914, CTI is one of the largest specialty steel service centers in the United States, with ten branches throughout the Midwest and in Monterrey, Mexico. Inventory and value added processing is facilitated in over 1.2 million square feet of efficient, state-of-the-art facilities. CTI houses over 30,000 line items of inventory from the world’s premier manufacturers. Our hundred year history of consistent growth has allowed us to attract talented personnel, expand our inventory and acquire leading edge equipment to provide you with Consistent Reliable Customer Service.

Round Mechanical Tubing

COLD DRAWN SEAMLESS
Carbon:1026 up to 9-1/2″ O.D., over 9-1/2 O.D. .25 maximum
ASTM A519Produced to O.D. and I.D. dimensions except where noted

HOT FINISHED SEAMLESS
Carbon:1026
ASTM A519Produced to O.D. and wall dimension

D.O.M. (Welded)
Carbon 102010 ga. wall and lighter
Carbon 1026All other sizes
ASTM A513T5Normally produced to O.D. and I.D. dimensions
ST 52.3

BUTTWELD
Carbon1012/1020
ASTM A512Normally produced to O.D. and I.D. dimensions

ELECTRIC WELDED
Carbon1008/1020
ASTM A513Type 1 (HR) or Type 2 (CR) produced to O.D. and wall dimension. Sizes over 12″ O.D. are not covered by A513 specification. Consult manufacturer for tolerances.

E.W. tubes up to 1 O.D. are flash-in
E.W. tubes 1″ O.D. and larger are flash controlled to .010 with the following exceptions which are:

F.C. .010/.020 maximum
1″ O.D. x 13 ga
1″ O.D. x 12 ga.
1″ O.D. x 11 ga.

Pipe Size Tube ASTM A500—See Square, Rectangular, and Round Tubing

Aluminum Pipe, Tube & Bar

Extruded Structural Pipe – B429
Seamless Extruded Pipe – SB-241
Drawn Coils – B-483
Extruded Structural Tube – B-429
Welded Conveyor Tube – B-313
Seamless Extruded Hollow Bar – B-241
Square Extruded Tube – B-221
Rectangular Extruded Tube – B-221
Extruded Flat Bar – B-221

Square, Rectangular & Round TubinG

Square Tubing Mechanical & Structural
Rectangular Tubing Mechanical & Structural
Round Pipe Size Tubing
EPOX Z KOTE

Carbon Steel PipE

Continuous Weld – A53
Spiral Weld Steel Pipe ASTM A139
Seamless – A106
Double Submerged Arc Weld – AP15L
Spiral Weld – A139
CTI Processing

Hydraulic TubinG

Hydraulic fluid line tubing can be easily bent into angle turns or sweep bends. Pipe fittings, which are subject to leakage, are eliminated. It has a bright, smooth, scale free I.D. to minimize turbulence and pressure drop.