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ASTM A179 Tubes

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What are ASTM A179 Tubes?

These tubes are the mostly found in the equipments which are being employed in the industries such as heat-exchangers, condenser units, and equal heat-transfer are the main applications for seamless, cold-drawn low-carbon steel tubes that meet Jay Steels Coporation’s ASTM A179/A179M (also known as ASME SA179/SA179M) standards.

Typical UNS designation is not precisely numbered for this low-carbon class, and W. Nr. (WNR) notation is generally not used for this standard—it is simply referenced as ASTM A179.

These tubes are built by a seamless routine, then cold-drawn to high dimensional quality and surface finish. After the final cold pass, they are heat-treated (annealed) at about 1200 °F (≈650 °C) or higher to enrich ductility and relieve stress.

Principle & Mechanism / Approach of Working:

  • Manufacturing System: Steel billet → pierce to establish unwritten shell → hot-extrude or roll to tube → endless tube → cold-draw to right size → heat treat (anneal) → straightening, trimming, testing.
  • Mechanism in Service: In a heat-exchanger or condenser, the tube serves as a conduit for one fluid while further fluid flows out. Heat is transferred across the tube wall. An empty cold-drawn surface for the best heat-transfer efficiency, fatigue resistance under cyclic thermal loads, & practical weldability are all guaranteed by low-carbon steel (ASTM A179).

For applications requiring dimensional reliability, corrosion resistance, and heat cycling, ASTM A179 tubes are perfect.

ASTM A179 Tubes Specifications

  • Standard: ASTM A179 / A179M and ASME SA179 / SA179M
  • Tube Type: Seamless, Cold-Drawn Low-Carbon Steel Tubes
  • Outside Diameter (O.D.): Typically from 1/8″ (3.2 mm) up to approx 3″ (76.2 mm)
  • Wall Thickness : Varies; for example 1.651 mm to 7.0 mm for straight tubes
  • Length : Straight lengths 3 m to 25 m (or cut to requirement), U-bends/coils possible
  • Manufacturing Process : Seamless → Cold-Drawn → Annealed (≥ 650 °C)

Chemical Features of ASTM A179 Tubes

Element Composition Range
Carbon (C) 0.06 % – 0.18 %
Manganese (Mn) 0.27 % – 0.63 %
Phosphorus (P) ≤ 0.035 % max
Sulfur (S) ≤ 0.035 % max
Silicon (Si) Often ≤ 0.25 % (varies)

Mechanical Properties of ASTM A179 Tubes

Property Minimum Requirement
Tensile Strength ≥ 325 MPa (≈ 47 ksi)
Yield Strength ≥ 180 MPa (≈ 26 ksi)
Elongation (in 2 in) ≥ 35 %
Hardness (HRB) ≤ 72 HRB max

Types of ASTM A179 Tubes

ASTM A179 Condenser Tube
ASTM A179 Carbon Steel Seamless Tubes
ASTM A179 Boiler tube
ASTM A179 carbon steel cold drawn tubes
ASTM A179 super heater tubes

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Equivalent Grades of ASTM A179 Tubes

Specification Equivalent / Related Standard
ASTM A179 / A179M ASME SA179 / SA179M/td>
Some European/Indian low-carbon seamless tube grades used similarly/td>
ASTM A106 Overlaps in carbon steel category but differs in process & service/td>

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Industrial Applications of ASTM A179 Tubes

ASTM A179 tubes & pipes are basically used in different applications from that some of are:

Application Industries
  • Heat-exchangers and condensers in might plants, chemical and petrochemical industries
  • Refrigeration and cooling systems, chiefly where endless cold-drawn tube offers higher-quality surface quality
  • Condensers, boiler feed-water heaters, and tubular heat-transfer equipment
  • U-out of shape and coiled tube bundles for short heat-exchanger design
  • Equipment where profitable weldability and fatigue resistance under thermal cycling are vital

Why Choose Jay Steel Corporation?

  • Quality Assurance: We confirm specification compliance by providing authentic ASTM A179 and ASME SA179 tubes with comprehensive MTCs.
  • Competence & Service: With years of expertise in steel tube supply, we understand your heat-exchanger and condenser tube restrictions and can mentor you through material sorting.
  • Custom Answers: We offer custom sizes, U-bends, coils, or special surface finishes as core by your project.
  • Global Reach with Local Reserve: Grounded in India, we substitute global exports while offering local delivery and copy in India and the region.
  • Competitive Pricing: Because we source from reliable manufacturers and maintain inventory, we deliver leading-value options without mediating quality.

Our Export Destinations

United Arab Emirates, Kuwait, United States Of America, Egypt, Qatar, Kingdom Of Saudi Arabia, Jordan, Africa, Malaysia, Europe, Australia, Iran, Iraq.

FAQs

What is ASTM A179 material?

Generally this material is known to be employed in the equipment such as heat-exchangers, condensers, and other heat-transfer applications.

 

ASTM A179 differs from ASTM A106?

ASTM A106 concerns seamless carbon-steel pipe for high-temperature applications (such as boilers and superheaters), while ASTM A179 is specifically designed for unconfined, cold-drawn, low-carbon steel tubes for condensers & heat exchangers. As such there is no big difference but manufacturing and service processes determine the exact difference between them.

 

Who is the manufacturer of SA 179 tubes in India?

Several Indian manufacturers do ASTM A179 / ASME SA179 limitless tubes. We supply these tubes in India and for trade, working with trusted manufacturers under strict quality control.

 

What is ASTM material for boiler tubes?

Boilers and heat transfer tubes come in various ASTM origins, including ASTM , ASTM A106, A179, A192, and others. For low-carbon, cold-drawn, seamless tubing in condensers or heat , heat exchangers, ASTM A179 is appropriate.

 

Are ASTM A179 tubes bendable or U-shaped for heat exchange applications?

Yes.  Guess what? ASTM A179 tubes are usually supplied in U-bend or coiled forms for heat exchangers. Post-flex heat-treatment is typically required to maintain mechanical characteristics and dimensional realness.

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