ASTM A179 (ASME SA179) Boiler tubes,Cold Drawn Seamless Carbon Steel Tube

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Boiler tubes refers to hollow round section steel that is used in manufacturing heat transfer unite, ASTM A179/ASME SA179 specification is designed as American standard of Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes. Diameter and wall thickness of ASTM A179/ASME SA179 has a wide range from small diameter to several meters. ASTM A179 Steel Tube can be used for pipeline in thermal equipment, industrial machinery, petroleum geological exploration, container, chemical industry and other special purpose.

ASTM A179 steel tube is seamless pipe, it has very strict requirements on steel hardness, surface smoothness, etc. If you are looking for the equivalent foreign standard, you need to focus on its physical properties and test data first. ASTM A179 has higher temperature requirement than ASTM A178. No matter what steel material is, mechanical properties is the key indicator for you to make the final decision, also tensile properties-tensile strength, yield strength, elongation and hardness, temperature performance shall be looked up and put into consideration.

ASTM A179 Cold Drawn Seamless Carbon Steel Tube

Cold drawn seamless carbon steel tube for heat exchangers and condensers
Size (mm): O.D.:6.0~114.0; W.T.:1~15; L: max 12000

Description：
1. Standards: ASTM A179 (ASME SA179)
2. Applications: heat exchangers, condensers, heat transfer equipment and similar pipes.
3. Grade: A 179
4. Specifications: diameter 10.3 to 76.2 mm; thickness: 1.2 to 12 mm; length: 6 m and above; and, modified specifications according to customer requirements.
5. Chemical composition and mechanical properties.

 

OD (mm) Wall Thickness (mm)
　 2 2.5 3 3.5 4 4.5 5 6 6.5-7 7.5-8 8.5-9 9.5-10 11 12
Φ25-Φ28 ● ● ● ● ● ● 　 　 　 　 　 　 　 　
Φ32 　 ● ● ● ● ● ● 　 　 　 　 　 　 　
Φ34-Φ36 　 ● ● ● ● ● ● 　 　 　 　 　 　 　
Φ38 　 ● ● ● ● ● ● 　 　 　 　 　 　 　
Φ40 　 　 ● ● ● ● ● 　 　 　 　 　 　 　
Φ42 　 　 ● ● ● ● ● 　 　 　 　 　 　 　
Φ45 　 　 ● ● ● ● ● ● 　 　 　 　 　 　
Φ48-Φ60 　 　 ● ● ● ● ● ● ● 　 　 　 　 　
Φ63.5 　 　 　 ● ● ● ● ● ● ● 　 　 　 　
Φ68-Φ73 　 　 　 　 ● ● ● ● ● ● 　 　 　 　
Φ76 　 　 　 　 ● ● ● ● ● ● ● ● ● ●
Φ80 　 　 　 　 ● ● ● ● ● ● ● ● ● ●
Φ83 　 　 　 　 ● ● ● ● ● ● ● ● ● ●
Φ89 　 　 　 　 ● ● ● ● ● ● ● ● ● ●
Φ95 　 　 　 　 ● ● ● ● ● ● ● ● ● ●
Φ102 　 　 　 　 ● ● ● ● ● ● ● ● ● ●
Φ108 　 　 　 　 ● ● ● ● ● ● ● ● ● ●
Φ114 　 　 　 　 　 ● ● ● ● ● ● ● ● ●
Φ121 　 　 　 　 　 ● ● ● ● ● ● ● ● ●
Φ127 　 　 　 　 　 ● ● ● ● ● ● ● ● ●
Φ133 　 　 　 　 　 ● ● ● ● ● ● ● ● ●
Φ140 　 　 　 　 　 　 ● ● ● ● ● ● ● ●
Φ146 　 　 　 　 　 　 ● ● ● ● ● ● ● ●
Φ152 　 　 　 　 　 　 ● ● ● ● ● ● ● ●
Φ159 　 　 　 　 　 　 ● ● ● ● ● ● ● ●
Φ168 　 　 　 　 　 　 ● ● ● ● ● ● ● ●

applications of ASTM A179

ASTM A179 is widely used as water wall tube, high pressure boiler tube, superheated steam tube, smoke pipe with large and small diameters, etc. In general, it is used in high temperature and pressure conditions.

 

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2 Comments to “ ASTM A179 (ASME SA179) Boiler tubes,Cold Drawn Seamless Carbon Steel Tube”

  1. William says :
    July 25, 2018 at am11:05

    What is the difference between steel Pipe and Tube?

    1. admin says :
      July 25, 2018 at am11:07

      Tube is measured by outside diameter, the pipe is measured by inside diameter.
      the actual physical OD of a tube is just the same as it’s nominal OD. The size of a tube will keep the same OD no matter what the wall thickness is.
      For example: The actual outside diameter of 1¼″ pipe is 1.625″ – while 1¼″ tube has a true 1.25″ outside diameter.
      Consequently, both the size of tube and pipe is measured by it’s OD and the thickness.

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