ASME SA179Seamless Cold Drawn Tubes
ASTM A179 heat exchange steel pipes
ASTM A179 heat exchange steel pipes have various specifications. According to different usage occasions and equipment requirements, steel pipes with different diameters and wall thicknesses can be selected. For example, "19.05*2.11" in this example means that the outer diameter of the seamless steel pipe is 19.05 inches and the wall thickness is 2.11 inches.
ASTM A179 High Temperature Boiler Tube is a seamless carbon steel pipe used in the manufacture of high temperature boiler equipment with high heat resistance and corrosion resistance. This kind of pipe material is mainly used in equipment such as boilers and heat exchangers in high-temperature and high-pressure environments such as power stations, chemical industry, oil and natural gas. The service temperature range of ASTM A179 heat-resistant pipe is between 450℃ and 750℃. Within this temperature range, the pipe material can maintain good mechanical properties and oxidation resistance to ensure safe and stable operation of the equipment.
ASTM A179 seamless steel pipes need to go through multiple processes during the manufacturing process, such as billet preparation, rolling, straightening, heat treatment, pickling, inspection, etc. These processes ensure the dimensional accuracy, surface quality, mechanical properties and metallographic structure requirements of the steel pipe.
In the manufacturing of high-pressure equipment, ASTM A179 seamless high-temperature steel pipe plays a very important role. Due to its high strength, high pressure resistance and corrosion resistance, the safety and stability of the equipment can be ensured. For example, in steam turbines, this kind of steel pipe can withstand the erosion and impact of high-temperature and high-pressure steam, ensuring the normal operation of the equipment.
ASTM A179 seamless steel pipe is a high-quality, high-performance steel pipe material widely used in the manufacturing of high-voltage equipment. Its advantages of high strength, high pressure resistance and corrosion resistance ensure the safety and stability of the equipment.
ASTM A179 Tubes Chemical Compositions
|
Chemical Components (%) |
|||||||
|
C |
Si | Mn | P | S | Mo | Cr | V |
| 0.06-0.18 | / | 0.27-0.63 | ≤0.035 | ≤0.035 | / | / |
/ |
ASTM A179 round carbon steel tube Mechanical Properties
|
Mechanical properties |
|||
|
Tensile Strength (Mpa) |
Yield
Strength (Mpa) |
Elongation
(%) |
Hardness (HRB) |
| ≥325 | ≥180 | ≥35 |
≤72 |
ASTM A179 round carbon steel pipe


Wall thickness tolerance of ASTM A179 Tube
| Outside Diameter | Wall thickness Tolerance % | |
|---|---|---|
| In. (mm) | Over (+) | Under (-) |
| 1 ½ (38.1) and under | 20 | 0 |
| Over 1½ (38.1) | 22 | 0 |
Gnee Steel Company is a professional steel company integrating R&D, manufacturing, sales and service. With annual sales of nearly US$1 billion and annual export volume of more than 50,000 tons, it is a steel mill located in Anyang City, Henan Province with convenient transportation. The factory covers an area of about 35,000 square meters, the company has more than 200 employees, and exports to 150 countries every year.
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