ASTM A179/ ASME SA179 Heat exchanger tubes, astm a179 chemical composition, astm a179 equivalent material, astm a179 material properties, sa179 material composition, sa 179 seamless tube properties.
Amardeep Steel is a leading ASTM A179/ ASME SA179 heat exchanger tubes Supplier & Exporter. ASTM A179/ ASME SA179 heat exchanger tubes are seamless carbon steel tubes designed for use in heat transfer applications. They are typically used in industries such as chemical, petrochemical, and oil and gas, where high temperatures and pressure differentials are common. These tubes are made from carbon steel, which offers excellent thermal conductivity and resistance to corrosion, making it an ideal material for heat exchanger tubes.
The tubes are manufactured using a seamless process, which ensures their uniformity and strength. They undergo various tests and inspections, including hydrostatic testing, flaring testing, and eddy current testing, to ensure their quality and reliability. These tubes are made from high-quality SA 179 material, providing excellent mechanical properties for demanding applications.
The ASTM A179/ ASME SA179 heat exchanger tubes are designed to meet the high-performance standards required in various industries. They offer excellent thermal conductivity and are highly resistant to corrosion, ensuring long service life even in harsh environments.
These tubes are available in various sizes and thicknesses to meet the specific requirements of different applications.
Overall, ASTM A179/ ASME SA179 heat exchanger tubes made from SA 179 material are an excellent choice for industries that require efficient heat transfer and reliable performance. They are widely used in a range of applications, including power generation, chemical processing, and HVAC systems, among others.
What is SA 179 Tubes
SA 179 tubes, specified under ASTM A179 / ASME SA179, are seamless, cold-drawn low-carbon steel tubes engineered for heat exchangers and condensers. Known for excellent thermal conductivity, corrosion resistance, and robust mechanical strength, these tubes deliver a smooth surface finish and precise dimensional tolerances that surpass hot-finished alternatives. Their high performance makes them ideal for efficient heat transfer in power generation, marine, and petrochemical applications.
ASME SA 179 (ASTM A179) Specification
| Product | ASTM A179 Seamless Steel Tubes |
| Specification | ASTM A179 / ASME SA179 |
| Standard | ASTM A179/A179M, ASME SA179/SA179M is the standard applicable to Seamless cold drawn low carbon steel heat exchanger and condenser tubes |
| Size OD (In mm) | 3/4” (19.05mm), 1” (25.4mm), 1¼” (31.75mm), 1½” (38.1mm), 2” (50.8mm), 2½” (63.5mm), 3” (76.2mm) |
| Wall Thickness (BWG, mm) | 16BWG (1.651mm), 14BWG(2.108mm), 12BWG(2.769mm), 10BWG(3.404mm), 8BWG(4.191mm) |
| Application | For high, middle, low pressure boiler and pressure purposes |
| Length | 5800mm; 6000mm; 6096mm; 7315mm; 11800mm; and so on. Max length: 27000mm, also U bending can be offered |
| Product Marking | ASTM A179 or ASME SA179, size, heat no., Lot No. and Manufacture name or logo. |
| Other Testing | Hydrostatic Test |
| Type | Seamless – Hot Rolled / Cold Drawn |
| Form | Round |
| International Standards | ASME, API, EN, DIN, ISO |
| End | Plain End, Beveled End, Coupling |
| Inspection | Third Party Inspection, Buyer Inspection |
| Packing | Weaving Bag, Seaworthy Bundles, Wooden Case if required |
| Specials | Sizes and Specification other than above can be manufactured on request |
| Certification | EN 10204 3.1 |
| Delivery Time | 1-2 Days for Material in Stock, 7-30 Days for Make to Order Materials |
Chemical Composition of ASTM A179/ ASME SA179 Seamless Steel Tube
| Chemical Composition | ||||
| C | Mn | P≤ | S≤ | Si≤ |
| 0.06-0.18 | 0.27-0.63 | 0.035 | 0.035 | 0.25 |
ASTM A179/ ASME SA179 Seamless Tube Mechanical Property
| Mechanical Properties | |||
| Tensile | Yield | Elongation | Hardness |
| Strength (Mpa) | Strength (Mpa) | (%) | (HRB) |
| ≥325 | ≥180 | ≥35 | ≤72 |
ASTM A179/SA 179 Equivalent Material Comparison Tables (ASTM ℃KS, JIS, DIN, BS, NBN, NF, UNI)
| ASTM | UNS NO. | KOREA/JAPANES | GERMAN | BRITISH | BELGIAN | FRENCH | ITALIAN | |||||||||||||
| KS/JIS Symbol | KS/JIS Numbe | Re | DIN Type | DIN | Materiral Number |
Re | B.S | B.S Grade | Re | NBN Type | NBN Grade | Re | AF | NF | Re | UNI Type | UNI | Re | ||
| ASTM A179/ SA179 | K01200 | STBH 340 / STB 35 | D3563 / G3461 | St 35.4 | 1629 | 1.0309 | 3606 | CFS 320 | D 37-2 | 629 | (3b) | TU 37 C | A49-215 | (3a) | C 14 | 5462 | ||||
| St 35.8 | 17175 | 1.0305 | Plus DIN 2391 Gutegard C.NBK |
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ASTM A179/ ASME SA179 Wall Thickness Tolerance
| Seamless, Cold-Finished Tubes | ||
| Outside Diameter | Wall thickness Tolerance % | |
| In. (mm) | Over (+) | Under (-) |
| 1 ½ (38.1) | 20 | 0 |
| and under | ||
| Over 1½ (38.1) | 22 | 0 |
ASTM A179/ ASME SA179 Seamless Tube Dimensions
| 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 | ● | ● | ● | ● | ● | ● | ● | ● | ||||||
ASTM A179/ SA179 Low Temperature Cold-Finished Seamless Tubes Outside Diameter Tolerance
| OD In. (mm) |
Permissible Variations In. (mm) | |
| Over (+) | Under (-) | |
| Under 1 (25.4) | 0.004 (0.1) | 0.004 (0.1) |
| 1 to 1 ½ (25.4 to 38.1), Incl | 0.006 (0.15) | 0.006 (0.15) |
| Over 11⁄2 to 2 [38.1 to 50.8], Excl | 0.008 (0.2) | 0.008 (0.2) |
| 2 to 21⁄2 [50.8 to 63.5], Excl | 0.010 (0.25) | 0.010 (0.25) |
| 21⁄2 to 3 [63.5 to 76.2], Excl | 0.012 (0.3) | 0.012 (0.3) |
ASTM A179/ SA179 Cold Rolled High Precision Boiler Tubing Hydrostatic Test Pressures
| OD of Tube, in. [mm] | Hydrostatic Test Pressure, psi [Mpa] |
| Under 1 [25.4] | 1000 [7] |
| 1 to 11⁄2 [25.4 to 38.1], excl | 1500 [10] |
| 11⁄2 to 2 [38.1 to 50.8], excl | 2000 [14] |
| 2 to 3 [50.8 to 76.2], excl | 2500 [17] |
ASTM A179/ ASME SA179 Applications
ASTM A179/ASME SA179 heat exchanger tubes are widely used in a variety of applications where efficient heat transfer is required. These tubes are commonly used in industries such as:
- Power generation: In power plants, these tubes are used in the heat exchangers that transfer heat from the steam to the water, thus increasing the efficiency of the plant.
- Chemical processing: In the chemical industry, these tubes are used in heat exchangers that transfer heat between two fluids, helping to regulate temperatures and increase efficiency.
- HVAC systems: In heating, ventilation, and air conditioning (HVAC) systems, these tubes are used in heat exchangers to transfer heat between the refrigerant and the air, providing a comfortable indoor environment.
- Oil and gas: In the oil and gas industry, these tubes are used in heat exchangers that transfer heat between the hot gas and the cold fluids, helping to regulate temperatures and increase efficiency.
- Food and beverage: In the food and beverage industry, these tubes are used in heat exchangers that transfer heat between the hot or cold fluids, helping to regulate temperatures and increase efficiency in various stages of production.
Overall, ASTM A179/ASME SA179 heat exchanger tubes are widely used in applications where efficient heat transfer and reliability are critical factors, making them an essential component in many industries.
FAQ’s About ASTM A179/ ASME SA179 Tubes
What is the chemical composition of SA179 material?
SA179 material contains carbon (0.06 -- 0.18%), manganese (0.27 -- 0.63%), phosphorus (≤0.035%), sulfur (≤0.035%), and silicon (≤0.25%). This composition provides strength, durability, and resistance to corrosion.
What sizes are available for ASTM A179 / ASME SA179 tubes?
They are available in outer diameters ranging from ¾” to 3” and wall thicknesses from 16 BWG to 8 BWG. Custom sizes and specifications can also be manufactured upon request.
What industries commonly use these tubes?
These tubes are widely used in power generation, chemical processing, oil and gas, HVAC systems, pharmaceuticals, food processing, and machinery industries. They are chosen for applications requiring efficient heat transfer and reliable performance.
