Description
48*5mm ASTM A106GrA Carbon Steel Seamless Tube With Good
Weldability For High-temperature Service
ASTM A106 Grade A (ASTM A106 GrA) is a specification for seamless
carbon steel pipe intended for high-temperature service.
| Commodity | ASTM A106 GrA Carbon Steel Seamless Tube |
| Standard | ASTM, JIS, DIN, GB, etc. |
| Grade | A105/SA106B/SA106C/A179/A192/T5/T9 etc. |
| Outer Diameter(OD) | 3-1220mm or Customized |
| Thickness | 0.5-50mm or Customized |
| Length | 5800mm, 6000mm, 12000mm or Customized |
| Mode of Production | Seamless, welded |
| Technique | Cold Drawn or Hot rolled |
| Application | Machine Parts |
| Package | Export package suitable for long distance shipping |
Chemical Composition
| Grade | C % | Mn % | P % | S % | Si % | Cr % | Cu % | Mo % |
| ASTM A106 GrA | ≤ 0.25 | 0.27-0.93 | ≤ 0.035 | ≤ 0.035 | ≤ 0.10 | ≤ 0.40 | ≤ 0.40 | ≤ 0.15 |
Mechanical Properties
| Grade | Tensile Strength min, psi [MPa] | Yield Strength min, psi [MPa] |
| ASTM A106 GrA | 48000[330] | 30000 [205] |
Application
1. High-Temperature Industrial Processes: ASTM A106 GrA pipes are
suitable for various high-temperature industrial processes,
including thermal processing, heat treatment, and industrial
furnaces. They provide reliable transportation of hot gases and
fluids in such applications.
2. Boiler Systems: ASTM A106 GrA pipes are employed in boiler
systems for generating steam. They are used as boiler tubes,
superheater tubes, and reheater tubes, ensuring the safe and
efficient transfer of heat in high-pressure, high-temperature
conditions.
3. Oil and Gas Industry: ASTM A106 GrA pipes are utilized in oil
refineries, petrochemical plants, and natural gas processing
facilities. They are used for the transportation of oil, gas, and
other hydrocarbon fluids at high temperatures and pressures.
4. Process Piping: ASTM A106 GrA pipes find application in various
process industries, including chemical plants, pharmaceutical
plants, and food processing facilities. They are used for conveying
process fluids, steam, and gases in high-temperature environments.
5. High-Temperature HVAC Systems: ASTM A106 GrA pipes are used in
heating, ventilation, and air conditioning (HVAC) systems that
operate at elevated temperatures. They ensure efficient heat
transfer in applications such as district heating and industrial
HVAC systems.
Feature
1. High-Temperature Service: ASTM A106 GrA pipes are specifically
designed for use in high-temperature environments. They can
withstand elevated temperatures and pressures commonly encountered
in applications such as power generation, refineries, and
petrochemical plants.
2. Seamless Construction: ASTM A106 GrA pipes are manufactured
using a seamless process, which means they are formed without any
welded joints or seams. This seamless construction provides
uniformity in the material structure and enhances the overall
strength of the pipe.
3. Carbon Steel Composition: ASTM A106 GrA is a carbon steel grade.
It contains primarily carbon as the main alloying element, along
with small amounts of other elements such as manganese, phosphorus,
sulfur, and silicon. The precise chemical composition requirements
are outlined in the ASTM A106 standard.
4. Mechanical Properties: ASTM A106 GrA pipes have specific
mechanical property requirements. They typically possess a minimum
tensile strength of 330 MPa (48,000 psi) and a minimum yield
strength of 205 MPa (30,000 psi). The exact values for elongation
and hardness are also specified in the ASTM A106 standard.
FAQ
Q1: What is ASTM A106 Grade A (ASTM A106 GrA)?
A1: ASTM A106 GrA is a specification for seamless carbon steel
pipes intended for high-temperature service.
Q2: What is the difference between ASTM A106 GrA and GrB?
A2: ASTM A106 GrA and GrB are different grades within the ASTM A106
specification. GrA has a lower carbon content and is generally used
for low-pressure and low-temperature applications, while GrB has a
higher carbon content and is suitable for higher-pressure and
higher-temperature applications.
Q3: Can ASTM A106 GrA pipes be welded?
A3: Yes, ASTM A106 GrA pipes can be welded using common welding
techniques such as arc welding and resistance welding. However,
proper welding practices, including preheating and post-weld heat
treatment, may be necessary to ensure the integrity and strength of
the welded joints.
