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Phone: (845) 679-3385   |   Email   |   Fax: (845) 679-3386


© KarayMetals, Inc.   |   8 Elwyn Lane, Woodstock, NY 12498   |   Phone: (845) 679-3385   |   Email   |   Fax: (845) 679-3386



KARAY METALS, INC. offers Heat Exchanger Steel Tubing under specification ASTM / ASME / SA / A179 with many dual certified under SAE J524.


ASTM A179/A179M - 90a (2005) is the standard specification for Seamless Cold-Drawn Low-Carbon Steel Heat Exchanger and Condenser Tubes.

Steel - Heat Exchanger Tubing A179 Heat Exchanger Tubing - A179

Heat Exchanger Tube Tolerances

Size OD Range in Inches        Plus            Minus

Under 1.000                              0.004           0.004

1.000 to 1.500                          0.006           0.006

1.501 to 1.999                          0.008           0.008

2.000 to 2.499                          0.010           0.010

2.500 to 2.999                          0.012           0.012

3.000 to 4.000                          0.015           0.015


With over 1000 tons of Round Carbon Steel Tubing in stock at our warehouse in Chicago, we can fulfill your immediate needs. We have many sizes of Condenser Tubing, DOM Mechanical Tubing, Heat Exchanger Tubing, Seamless Hydraulic Line and Welded Hydraulic Line available now.


Buy by-the-bundle and save!


We specialize in mill quantity orders of Steel, Aluminum, Brass and Copper products to give our customers the best prices possible. We can fulfill your long-term needs at prices that will give you the competitive edge.


Buy by-the-truckload and save even more!

Available Lengths 17 to 24 feet Choose a size to request a quote

Phone: (845) 679-3385   |   Email   |   Fax: (845) 679-3386 Karay Metals, Inc.