ASTM A106 Seamless Steel Pipe | Cold Drawn Precision Tubes Manufacturer
High-precision ASTM A106 seamless steel pipes manufactured by Huagang Industry. Strict quality control, certified production, ideal for boilers and heat exchangers.
Product Info
ASTM A106 Seamless Steel Pipe (Cold Drawn Precision Tube)
Since 2006, Huagang Industry has specialised in manufacturing cold drawn precision seamless steel tubes that meet stringent industrial standards. With advanced production systems, a comprehensive quality management framework, and certifications including ISO/TS 16949:2009 and the National Special Equipment Pressure Pipeline Component Manufacturing License, Huagang provides high-performance ASTM A106 steel pipes designed for high-temperature and high-pressure applications.
What Is ASTM A106 Seamless Steel Pipe?
ASTM A106 is a widely used specification for seamless carbon steel pipes intended for high-temperature service. These pipes are commonly applied in refinery operations, petrochemical plants, power generation systems, boilers, and fluid transportation pipelines.
Huagang exclusively manufactures cold-drawn A106 seamless tubes, delivering improved dimensional accuracy, enhanced mechanical properties, and superior surface quality. Cold drawing technology enables closer tolerances and consistent wall thickness, making the tubes suitable for precision engineering and demanding operating conditions.
Available Sizes
Huagang Industry provides customised sizing according to OEM specifications.
Outer Diameter: 6 mm – 89 mm
Wall Thickness: 1 mm – 12 mm
Length: Up to 12 meters (customisable)
Tolerances: As per ASTM A106 or customer drawings
Wall thickness: 1mm-12mm | Outer diameter: 6mm-89mm |
Huagang Cold Drawn Production Capabilities
As a dedicated cold drawing manufacturer, Huagang ensures that each ASTM A106 tube undergoes a tightly controlled precision process. Our workflow includes:
Controlled Raw Material Selection Sourced from national premium steel mills complying with pressure-pipe steel standards. | Multi-Stage Cold Drawing Process Cold drawing enhances the tube's density, surface precision, and straightness, while ensuring uniform wall thickness. |
Advanced Normalizing & Heat Treatment We apply controlled heat treatment matched to the A106 specification to ensure stable mechanical performance under high-temperature service. | Full-Range Quality Inspection Equipped with eddy current testing, ultrasonic testing, pressure testing, and metallographic analysis to ensure full compliance with ASTM standards. |
Product Advantages for Global OEM Customers
Huagang Industry delivers ASTM A106 tubing that demonstrates:
High dimensional accuracy suitable for precision component manufacturing
Superior performance under high temperature and pressure
Excellent surface finish and low defect rate
Consistent mechanical properties across batches
Certified manufacturing for automotive and special equipment sectors
Stable lead time supported by efficient logistics and strong capacity
These advantages make Huagang a trusted supplier for international automotive, machinery, and energy companies.
Applications of ASTM A106 Seamless Steel Pipe
Our A106 cold drawn tubes are widely used in:
Boiler tubes and superheater tubes
Heat exchanger systems
Petrochemical pipeline components
Automotive precision tubing
Mechanical engineering and heavy equipment
Energy and power station systems
The tubes maintain stability in high-temperature, high-pressure, and cyclic-load environments.
Product Properties
Chemical Composition (ASTM A106 Requirements)
Steel Grade | C max | Mn | P max | S max | Si min | Cr max | Cu max | Mo max | Ni max | V max |
Grade A | 0.25 | 0.27–0.93 | 0.035 | 0.035 | 0.10 | 0.40 | 0.40 | 0.15 | 0.40 | 0.08 |
Grade B | 0.30 | 0.29–1.06 | 0.035 | 0.035 | 0.10 | 0.40 | 0.40 | 0.15 | 0.40 | 0.08 |
Grade C | 0.35 | 0.29–1.06 | 0.035 | 0.035 | 0.10 | 0.40 | 0.40 | 0.15 | 0.40 | 0.08 |
Mechanical Properties
Grade | Tensile Strength (min) | Yield Strength (min) |
Grade A | 415 MPa | 240 MPa |
Grade B | 485 MPa | 275 MPa |
Grade C | 485 MPa | 275 MPa |
Technological Advantages & Quality Control
Technological Advantages
With nearly two decades of expertise, Huagang is recognised as a top precision seamless steel tube manufacturer. We integrate R&D, production, quality management, logistics, and global customer service, enabling customers to secure stable supply and consistent product performance.
Our long-term partnerships with global brands demonstrate our capability to meet rigorous quality expectations.
Adopting cold drawn precision seamless technology to ensure high dimensional accuracy, smooth surface, and uniform wall thickness of steel tubes.
After heat treatment and surface treatment, the mechanical properties and corrosion resistance of the steel tube are further improved.
Adopting cold drawn precision seamless technology to ensure high dimensional accuracy, smooth surface, and uniform wall thickness of steel tubes. | After heat treatment and surface treatment, the mechanical properties and corrosion resistance of the steel tube are further improved. |
Delivery Status:
Designation | Symbol | Description |
Cold drawn / hard | +C (BK) | After the last cold forming no heat treatment. |
Cold drawn / soft | +LC (BKW) | After the last heat treatment, follows the cold drawing there is a light finishing pass. |
Cold drawn and stress relieved annealed | +SR (BKS) | After the final cold drawing process, the tubes are stress-relieved and annealed in a controlled atmosphere. |
Annealed | +A (GBK) | After the last cold drawing process, the tubes are annealed in a controlled atmosphere. |
Normalized | +N (NBK) | After the last cold drawing process, the tubes are normalized in a controlled atmosphere. |
Quality Control
Strict Testing Chemical composition analysis: Ensure that the material composition meets the standard requirements. Mechanical performance testing: Including tensile testing, impact testing, etc., to ensure that the steel tube has sufficient strength and toughness. Non destructive testing: Using ultrasonic, eddy current, or radiographic testing techniques to detect internal defects in steel tubes. Hydraulic test: Each steel tube undergoes a hydraulic test to ensure good sealing and pressure bearing capacity in high-pressure environments. | Testing Standards Compliant with international standards such as GB3087, DIN17175, ASTM A53, ASTM A519, ASTM A106, ASTM A179, ASTM A192, etc. Each batch of products comes with detailed quality inspection reports and certificates of conformity. | Certification Guarantee Obtained ISO/TS16949:2009 quality system certification and obtained the national special equipment pressure pipeline component manufacturing license. |
