CTS tubes

ASTM A192 / A192M is the standard applicable to seamless carbon steel boiler tubes for high-pressure service ASTM A192 Seamless steel tubes sizes and thicknesses usually furnished to this specification are 1⁄2 in. to 7 in. [12.7 to 177.8 mm] outside diameter and 0.085 to 1.000 in. [2.2 to 25.4 mm], inclusive, in minimum wall thickness. Tubing having other dimensions may be furnished, provided such tubes comply with all other requirements of this specification. ASTM A192 Seamless steel tubes mechanical property requirements do not apply to tubing smaller than 1⁄8 in. [3.2 mm] inside diameter or 0.015 in. [0.4 mm] thickness. ASTM A192 Referenced Documents: ASTM A450 / A450M Specification for General Requirements for Carbon, Ferritic Alloy, and Austenitic Alloy Steel Tubes Standard: ASTM A192 / ASME SA 192 Description Name: ASME SA 192 / ASTM A192 boiler pipes; A192 pipes; A192 carbon steel tube; ASTM A192 seamless tubing; ASTM A192 carbon steel pipe; SA192 SEAMLESS PIPE;

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Sourcing Fraud During the international sourcing, sometimes you might be a victim of fraud. What should you do to see through the fraud and guard against it? Let’s take the example of sourcing ASTM A179 (ASME SA179) seamless tubes. ASTM A179 / ASME SA179 First of all, let’s get to know about ASTM A179 seamless tubes. They are mainly used for heat exchangers and condensers. Normally they are produced by cold drawn or cold rolled process. The quality requirement for them is much strict. Common sizes are O.D. 3/4” (19.05mm) and O.D. 1” (25.4mm). Beside straight tubes, there are also U-Bent tubes and fin tubes. In fact, A179 U-Bent tubes are for heat exchangers, and A179 fin tubes are for condensers. Here are photos of the three types of ASTM A179 seamless tubes: ASTM A179 ASME SA179 Straight Tubes ASTM A179 U-Bend Tubes ASTM A179 Fin Tubes Fake ASTM A179 Tubes Some customers sourcing ASTM A179 tubes mentioned that they had been fooled with fake goo