ASTM A179 Cold Drawn Low Carbon Steel Pipe

ASTM A179/ASME SA179 Low Carbon Steel Tubes shall be made by the seamless process and shall be cold drawn. ASTM A179 is an American standard that specifies the technical requirements for seamless cold-drawn low-carbon steel pipes for heat exchangers and condensers. These steel pipes should undergo thermal analysis and product analysis during the manufacturing process, and the steel should meet the required carbon, manganese, phosphorus and sulfur chemical composition. Steel materials should also undergo hardness tests, flattening tests, flaring tests, non-destructive testing, and hydraulic tests. ‌

‌ASTM A179 standard also places special emphasis on the chemical composition and physical properties of steel to ensure that the quality and performance of the product meet the usage requirements. ‌In addition, ‌the standard also covers the cold drawing process of steel to ensure the dimensional accuracy and surface quality of the final product. ‌Therefore, ‌mild steel pipes manufactured in compliance with ASTM A179 standards ‌not only guarantee their mechanical properties and corrosion resistance, ‌but also meet the high requirements for size and appearance in specific applications.

Specifications: 
Out diameter: 3.2 to 76.2 mm [1/8 to 3 inch.]
Wall thickness: 1.2 to 12 mm 

Length: 6 m above

Chemical Composition:

C: 0.06-0.18 

Mn: 0.27-0.63

P: ≤0.035

S: ≤0.035

Si: ≤0.25

Mechanical Properties:
Tensile strength, min, ksi [MPa]       47 [325]

Yield strength, min, ksi [MPa]          26 [180]

Elongation in 2 in. or 50 mm, min, %        35

What are the standards for boiler tubes?

The ASTM standard strives to allow engineers around the world to use the same terminology and symbols, the same measurement system and the same experimental methods, and to ensure product quality. It is one of the most commonly used boiler tube standards in the world. Common ASTM standards include ASTM A106, ASTM A179, ASTM A192, etc.

The EN standard is a technical standard for boiler tubes formulated in Europe. It is similar to the ASTM standard and mainly uses terminology, symbols, measurement systems and experimental methods to unify the design and selection standards of engineers around the world. Common EN standards include EN10216-2, EN10216-3, EN10216-4, etc.

The GB standard is a technical standard for boiler tubes formulated in China, which mainly includes several specific specifications such as GB/T3087, GB/T5310, and GB/T6479. Among them, GB/T3087 is suitable for seamless steel pipes for low and medium pressure boilers, GB/T5310 is suitable for high-pressure, high-temperature, and corrosion-resistant boiler seamless steel pipes, and GB/T6479 is suitable for high-pressure and high-temperature seamless steel pipes in chemical equipment.

In addition to the above-mentioned mainstream boiler tube standards, there are other standards such as JIS standards, DIN standards, etc., but these standards have relatively few application scenarios.

Read more: ASTM A179 Seamless boiler tube