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.

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.

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.

Contact Karay Metals, Inc.