ASTM A334 grade 1 pipe

ASTM A334 Grade 1 Pipe

With the demand for more fuel and power increasing worldwide, so is the need for the various pipes and tubes to help produce them safely. As oil & gas refineries and power plants require high-temperature and corrosion-resistant pipes made from high-quality alloys with rare compositions are also rising. To fulfill such requirements, ASTM specified A 334-grade w carbon steel is available for making welded, seamless, and other pipes. ASTM A334 gr 1 pipe is made from iron alloy with a carbon content of 0.30% higher than the other five grades.

ASTM A334 gr 1 pipe is made from iron alloy with a carbon content of 0.30% higher than the other five grades. ASTM A334 grade 1 pipe also has a high manganese content to the maximum of 1.06%, which makes it more potent than the others. SA334 grade 1 tubes with proper treatment can control the microstructure, offering excellent pitting and corrosion resistance to chloride environment applications.

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ASTM A334 grade 1 pipe specification

ASTM A334 Grade 1 Pipe Specification

ASTM A334 Grade 1 pipe sizes SA334 1 carbon steel seamless tube thickness SA 334 grade 1 boiler tube finishing & treating
  • 4″ NB to 26″ NB
  • 2.0 mm – 14 mm
  • Hot Rolled Steel
  • Pickled and Oiled
  • Cold Rolled Steel (Annealed/ Temper Rolled)
SA334 gr 1 tubing toughness value Fine Grain or not SA 334 gr 1 material type
  • 205 MPa
  • Yes
  • SA334 GR 1 seamless tube
  • ASTM A334 GR 1 tubing
  • SA 334M GR 1 CDS tube
  • ASTM A334M GR 1 welded tube
  • SA 334M grade 1 cold rolled tube
  • ASTM A334M grade 1 IBR tube
ASTM A334 gr 1 hot finished tube dimensions SA 334 gr.1 tube finish & edge ASTM A334 gr 1 carbon steel pipe inspection & required testing
  • Standard & cut to sizes
  • Galvanized
  • Mill
  • Plain
  • Blue-grey finish
  • SA 334 GR 1 CDS tube dull rounded edges
  • Rough finish
  • Hydrogen Induced Cracking (HIC)
  • MTC EN 10204 3.1
  • 100% Ultrasonic Testing (UT)
  • Brinell Hardness (BHN)
  • Rockwell Hardness (RW)
  • Simulated Post Weld Heat Treat (SPWHT)
  • MTC EN 10204 3.2
  • Charpy V-Notch Testing (CVN)
Services offerd by ASTM A334 Grade 1 pipe suppliers Additional services for construction projects ASTM A334 grade 1 pipe applications
  • CNC machining
  • Fabrication
  • Flame Cutting
  • Plasma cutting
  • ASTM A334 grade 1 IBR tube Processing
  • Drilling
  • Beveling
  • Tapping
  • SA 334 grade 1 high pressure tube Flattening
  • Coping
  • Bend ASTM A334 GR 1 round tube
  • Miter cuts
  • SAW cutting
  • Stretcher leveling
  • Stamping in ASTM A334 gr 1 hot finished tube
  • Finishing
  • Oxy-Fuel Cutting
  • SA 334M GR 1 boiler tube welding
  • Coating

For these services directly contact to listed ASTM A334 Grade 1 pipe suppliers, stockist & dealers via email or chat

  • Sandblasting
  • Drilling
  • Welding
  • Finishing
  • Procurement of raw material
  • Final painting
  • Galvanizing
  • Cutting
  • Surface treatment


  • Bridge construction
  • Building
  • Warehouse
  • Structural applications
  • Manufacturing heavy duty vehicles
  • Storage tanks

Get best quote from genuine ASTM A334 Grade 1 pipe suppliers, get quick delivery in South Africa, Oman, Nigeria, USA, UAE, Qatar & Saudi Arabia

ASME SA334 gr 1 carbon steel condenser tube meet standard SA 334 gr.1 tube delivery condition ASME SA 334 grade 1 tube surface
  • GOST
  • SAE
  • ASME – USA
  • BS -UK
  • EN
  • IS
  • Chinese GB
  • Japanese JIS
  • ASTM – USA
  • ISO
  • DIN
  • European standard EN 10025
  • EN 10149-2
  • AISI
  • Normalized
  • Normalized rolled
  • Annealed ASTM A334 grade 1 seamless pipe
  • As Rolled
  • Quenched and Tempered
  • Brushed
  • Mill finish
  • Plain
  • Cladded
SA 334M GR 1 boiler tube welding method Equivalent Indian standard A334 GR 1 cold rolled tube surface treatment
  • Hot rolled dry
  • Oiled
  • Pickled

You can check the ASTM a334 pipe grades and receive affordable pricing on ASTM a334 gr 1 tubes from the Middle East and Africa stockists.

Types of SA 334 grade 1 boiler tube

  • SA 334 GR 1 carbon steel seamless tube
  • ASTM A334 GR 1 carbon steel welded tube
  • SA 334 grade 1 cold drawn seamless steel tube
  • ASTM A334 grade 1 CDS tube
  • SA 334M grade 1 boiler tube
  • SA 334 GR 1 heat exchanger tube
  • ASTM A334M grade 1 condenser tube
  • SA334 GR1 superheater tubes
  • ASTM A334 GR 1 round tube
  • SA 334 GR1 square tube

SA 334 gr 1 tubes equivalent

Remarks KS/JIS Symbol KS/JIS Numbe Remarks UNI Type UNI Number Ramarks
Grade 1 K03008 TT St 41N 1.0437 WBL-680(3b) STLT 39 / STbL 380 D3571 / G 3464 C 15 5949 (6)Seamless Only

Heat treatment of SA334 1 carbon steel seamless tube

Grade Heat treatment
SA334 Grade 1 1550 °F [845 °C]

A334 GR 1 cold rolled tube Impact test

SA 334 GR 6 CDS tube Size of Specimen, mm Min Average Notched Bar Impact Value of. Each Set of Three Specimens Min Notched Bar Impact Value of One Specimen Only of a Set
ft·lbf J ft·lbf J
10 by 10 13 18 10 14
10 by 7.5 10 14 8 11
10 by 6.67 9 12 7 9
10 by 5 7 9 5 7
10 by 3.33 5 7 3 4
10 by 2.5 4 5 3 4

SA 334 GR 1 CDS tube hardness

Grade Hardness
SA 334 GR 1 163 HB Max

ASTM A334M GR 1 superheater tubes yield & tensile strength

Tensile strength Yield strength
380 MPa 205 MPa

SA 334 gr.1 tube chemical composition

Grade C Si Mn P S Ni Cr Mo Others
Grade 1 0.30Max 0.40~1.06 0.05Max 0.60Max (STBL450)

ASTM A334 gr 1 carbon steel pipe mechanical properties

Elongation, % Remaks
(Similar to JIS)
35 min Impact Test(J)
2V 18

ASTM A334 Grade 1 Pipe Properties

For your project, you can easily locate a wide variety of ASTM a334 gr.1 carbon steel pipes in Dubai with standard finishes and certification. compare A334 grade 1 vs. 6

Out of the six grades of ASTM A 334, the most used carbon steel tubes are grades 1 and 6. Though they have some similar properties and uses, there are also differences between them because of slight differences in their chemical compositions. The following are the differences between ASTM A334 gr.1 carbon steel and grade 6 pipes.

  • ASTM A 334 grade 6 has a higher minimum yield strength of 240 than 205 of grade 1
  • Grade 6 has a higher tensile strength of 415 than 380 of grade 1

ASTM, or the American Society for Testing Materials, specifies steel alloys with an “A” prefix followed by three numbers to denote the composition and minimum yield strength. ASTM A 334 is the specification for low-carbon steel available in six grades. The most used ASTM A 334 grades 1 and 6 have a maximum of 0.30 % carbon content, while the others are around 0.20%.

ASTM A334 gr 1 tubes complying with all ASTM A 334 specifications are best for many applications in oil & gas, power generation, nuclear plants, and others. Its low carbon and high manganese content with over 98% iron. Hence these tubes are more robust, cheaper, and corrosive resistant to be suitable for many applications.

There are six ASTM A 334 pipe grades for use in many applications as per their different chemistry, properties, and uses. The following are the few grades with their chemical composition and properties.

  • SA334 grade 1 pipe has a carbon content of a maximum of 0.30%, manganese of a maximum of 1.06%, 0.60 maximum sulfur, and 0.05 phosphorous to have a minimum yield point of 205 and tensile strength of 380
  • ASTM A 334 Grade 3 has less carbon of 0.19%, manganese maximum of 0.64%, phosphorous, and sulfur close to Grade 1 composition to have a high minimum yield point of 240 and tensile strength of 450
  • ASTM A 334 Grade 6, 7, 8, and 9 have carbon from 0.18 to 0.30% with minimum yield points from 240 to 520 and tensile strength from 415 to 690
learn about the durability of a334 grade 1 seamless pipe, and speak with reputable and trustworthy sa334 gr 1 pipe and tube importers in GCC nations.

ASTM A334 gr 1 pipe and tube are durable as they have high manganese of around 1% for the different grades. Also, ASTM A334 gr 1 tubing with low carbon content to not be too hard or brittle to break can last long. Because it is robust and has better ductility and conductivity, the SA334 grade 1 pipe is best for boiler equipment, pressure vessels, petrochemical plants, and others. It is because ASTM A334 gr 1 welded pipe has durability because of its chemical composition and manufacturing process along with corrosion, abrasion, and pitting resistance.

The prices and turnaround times of various ASTM a334 gr.1 carbon steel tube traders can be compared here. View the application area for ASTM a334 gr 1 welded pipe.

SA334 grade 1 seamless pipe made by hot or cold rolled processes has many properties useful for applications in several sectors. Available in many sizes, different ends, and six grades, the application area is vast in many industries.
ASTM A334 grade 1 seamless tube is best for machining, expansile, drawing, sandblasting, galvanizing, shot blasting, and heat treatments. Also, the seamless tubes made from the six-grade application area include architecture, agriculture, construction, and others that require low temperature and corrosion resistance.