ASTM A334 Heat Exchanger Tubes

ASTM A334 Heat Exchanger Tubes Stockiest and Supplier

ASTM A334 Heat Exchanger Tubes are low-temperature carbon and alloy steel tubes specifically designed for heat exchanger, condenser, and low-temperature service applications. These tubes are manufactured in accordance with ASTM A334 specifications and are suitable for operating in sub-zero temperature environments where toughness and reliability are essential..

Metal Tubular Products is a well-established stockist and global supplier of ASTM A334 Heat Exchanger Tubes, offering a wide range of sizes, wall thicknesses, and grades. Commonly supplied grades include ASTM A334 Grade 1, Grade 3, Grade 6, and Grade 9, ensuring compatibility with various low-temperature and pressure requirements across different industries..

  • ASTM A334 Heat Exchanger Tubes

ASTM A334 Heat Exchanger Tubes supplied by Metal Tubular Products are known for their excellent low-temperature impact toughness, uniform wall thickness, and superior surface finish. These properties help ensure efficient heat transfer and long-term performance in heat exchangers and condensers operating under cold service conditions.

To support both routine and large-scale project requirements, Metal Tubular Products maintains a ready stock inventory of ASTM A334 Heat Exchanger Tubes. The company also offers value-added services such as U-bending, cutting to length, surface treatment, and customized packaging to meet specific customer and project specifications.

Specification – ASTM A334 Heat Exchanger Tubes

Standard ASTM A334 / ASME SA334
Material Carbon & Alloy Steel (Low Temperature Service)
Grades Grade 1, Grade 3, Grade 6, Grade 9
Product Form Seamless Pipes & Tubes
Manufacturing Process Cold Drawn / Hot Finished Seamless
Heat Treatment Normalized / Heat Treated (As per Grade)
End Finish Plain End, Beveled End
Application Heat Exchangers, Condensers & Low Temperature Service

As a worldwide supplier, Metal Tubular Products operates a strong global logistics and distribution network, enabling timely delivery of ASTM A334 Heat Exchanger Tubes across Asia, Europe, the Middle East, Africa, and the Americas. All supplies are accompanied by complete documentation, including Mill Test Certificates and impact test reports for full traceability.

With a strong focus on quality assurance, competitive pricing, and customer satisfaction, Metal Tubular Products has earned a reputation as a reliable supplier of ASTM A334 Heat Exchanger Tubes worldwide. The company’s technical expertise and adherence to international standards make it a preferred partner for low-temperature heat exchanger applications..

Chemical Composition – ASTM A334 Grade 6

Element Max %
Carbon (C) 0.30
Manganese (Mn) 0.29 – 1.06
Phosphorus (P) 0.025
Sulfur (S) 0.025
Silicon (Si) 0.10 Min

Mechanical Properties – ASTM A334 Grade 6

Property Value
Tensile Strength 415 MPa (60,000 psi) Min
Yield Strength 240 MPa (35,000 psi) Min
Elongation ≥ 30%
Impact Test Mandatory (Low Temperature)

Dimension Chart – ASTM A334 Heat Exchanger Tubes

Outside Diameter (OD) Wall Thickness Length
½” OD to 6” OD 0.035” to 0.500” Fixed Length, Random Length, U-Bent

Equivalent Grades – ASTM A334 Heat Exchanger Tubes

Standard Equivalent Grade
ASTM / ASME A334 / SA334 Grade 6
EN EN 10216-4 P265NL
DIN DIN 17175 St 35.8
ISO ISO 3183 L245N
JIS JIS G3456 STPL 380

Applications of ASTM A334 Heat Exchanger Tubes

  • Oil and gas transmission pipelines for onshore and offshore projects
  • Water supply and distribution pipeline systems
  • Refinery and petrochemical plant piping
  • Natural gas distribution networks
  • Power plant piping and utility services
  • Industrial fluid transportation systems
  • Pipeline infrastructure for energy and process industries

Frequently Asked Questions (FAQ)

What are ASTM A334 Heat Exchanger Tubes used for?

ASTM A334 Heat Exchanger Tubes are primarily used in heat exchangers, condensers, and piping systems operating at low and sub-zero temperatures. They are widely applied in refineries, petrochemical plants, LNG facilities, and cryogenic service due to their excellent low-temperature toughness.

What makes ASTM A334 suitable for low-temperature applications?

ASTM A334 tubes are manufactured with controlled chemical composition and undergo mandatory impact testing to ensure high notch toughness and resistance to brittle fracture at low temperatures.

Which grades are available in ASTM A334 Heat Exchanger Tubes?

ASTM A334 Heat Exchanger Tubes are available in multiple grades such as Grade 1, Grade 3, Grade 6, and Grade 9, with Grade 6 being the most commonly used.

What manufacturing forms are available for ASTM A334 Heat Exchanger Tubes?

ASTM A334 Heat Exchanger Tubes are manufactured in seamless form only, ensuring uniform strength and reliability for heat exchanger and low-temperature service.

Are ASTM A334 Heat Exchanger Tubes impact tested?

Yes, impact testing is mandatory for ASTM A334 Heat Exchanger Tubes to verify their toughness and performance at specified low temperatures.

Who supplies ASTM A334 Heat Exchanger Tubes worldwide?

ASTM A334 Heat Exchanger Tubes are stocked and supplied worldwide by Metal Tubular Products, offering a wide size range, fast delivery, and full certification in compliance with international quality standards.

We Supply Pipes Worldwide

We export steel pipes and tubes to over 60 countries worldwide, serving clients across Asia, Europe, the Middle East, Africa, Oceania, and the Americas. Our strong global logistics network ensures reliable delivery, quality assurance, and compliance with international standards.

Export Destinations Include:
Afghanistan, Albania, Andorra, Angola, Austria, Australia, Bahrain, Bangladesh, Bhutan, Brazil, Brunei, Belarus, Belgium, Bulgaria, Cambodia, China, Cyprus, Croatia, Czech Republic, Canada, Denmark, Estonia, Egypt, Finland, France, Germany, Greece, Georgia, Hungary, Iceland, Ireland, Italy, Indonesia, Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Lebanon, Latvia, Latin America, Liechtenstein, Lithuania, Luxembourg, Malta, Madagascar, Mexico, Moldova, Monaco, Malaysia, Maldives, Mongolia, Myanmar (Burma), Nepal, New Zealand, North Korea, Netherlands, Norway, Nigeria, Oman, Poland, Portugal, Pakistan, Palestine, Philippines, Qatar, Russia, Romania, San Marino, Serbia and Montenegro, Slovakia, Slovenia, Spain, Sweden, Switzerland, Saudi Arabia, Singapore, South Korea, South Africa, Sri Lanka, Sudan, Syria, Taiwan, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, United Arab Emirates (UAE), Uzbekistan, Venezuela, Vietnam, Yemen, and more.

Metal Tubular Products is a trusted manufacturer, supplier, and exporter

Since 2011, Metal Tubular Products has been a trusted name in the metal industry, known for delivering high-quality ferrous and non-ferrous products across the globe.