Product Details
Place of Origin: Shanxi, China
Brand Name: BAOWU STEEL, TISCO
Certification: ISO, CE, BV, MTC
Model Number: ASTM A106 GrA
Payment & Shipping Terms
Minimum Order Quantity: 5 Tons
Price: 594 USD/TON
Packaging Details: Seaworthy export package
Delivery Time: 7-15 Working days
Payment Terms: T/T, L/C
Supply Ability: 1000 MT per month
Material: |
Carbon Steel |
Standard: |
ASTM, JIS, DIN, GB |
Grade: |
ASTM A556 GrB2 |
Thickness: |
0.5-50mm Or Customized |
Outer Diameter: |
3-1220mm Or Customized |
Length: |
5800mm, 6000mm, 12000mm Or Customized |
Material: |
Carbon Steel |
Standard: |
ASTM, JIS, DIN, GB |
Grade: |
ASTM A556 GrB2 |
Thickness: |
0.5-50mm Or Customized |
Outer Diameter: |
3-1220mm Or Customized |
Length: |
5800mm, 6000mm, 12000mm Or Customized |
Description
9.5mm ASTM A556 GrB2 Seamless Cold-Drawn Carbon Steel Feedwater Heater Tubes With High Pressure
ASTM A556 GrB2 is a specific designation within the ASTM A556 standard. The ASTM A556 standard covers various grades of seamless carbon steel tubes for use in feedwater heaters, which are heat exchangers used in power plants and other industrial applications to preheat the water fed into boilers. These tubes are subjected to high-pressure and high-temperature conditions.
| Commodity | ASTM A556 GrB2 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 | Industrial Engineering |
| Package | Export package suitable for long distance shipping |
Chemical Composition
| Grade |
C % |
Mn % |
P % |
S % |
Si % |
| ASTM A556 GrB2 | ≤ 0.27 | 0.29-0.93 | ≤ 0.035 | ≤ 0.035 | ≤ 0.10 |
Mechanical Properties
| Grade |
Tensile Strength min, psi [MPa] |
Yield Strength min, psi [MPa] |
Elongation in 2 in. or 50mm, min, % |
| ASTM A556 GrB2 | 48000[330] | 30000 [205] | 30 |
Application
ASTM A556 GrB2 tubes, as a specific grade within the ASTM A556 standard, are primarily used in feedwater heater applications in power plants and other industrial facilities. These tubes play a crucial role in preheating the water that is supplied to boilers, enhancing energy efficiency and overall system performance. Here are some key applications of A556 GrB2 tubes:
1. Feedwater Heaters: ASTM A556 GrB2 tubes are specifically designed for use in feedwater heaters. These heaters are essential components in power generation systems, where they preheat the water before it enters the boiler. The preheating process helps increase boiler efficiency and reduces energy consumption.
2. Power Plants: A556 GrB2 tubes are widely used in power plants, including fossil fuel-fired power plants and nuclear power plants. They are employed in feedwater heaters, which are critical for optimizing the thermal efficiency of power generation processes.
3. Power Plants: A556 GrB2 tubes are widely used in power plants, including fossil fuel-fired power plants and nuclear power plants. They are employed in feedwater heaters, which are critical for optimizing the thermal efficiency of power generation processes.
4. High-Temperature and High-Pressure Applications: A556 GrB2 tubes are designed to withstand high temperatures and pressures, making them suitable for applications where these conditions are present. The tubes are engineered to handle the demanding requirements of feedwater heaters, which often operate at elevated temperatures and pressures.
Feature
1. Seamless Construction: ASTM A556 GrB2 tubes are manufactured through a seamless process, ensuring a continuous and uniform structure without any welded seams. This seamless construction provides enhanced strength, reliability, and resistance to leakage.
2. Cold-Drawn Process: ASTM A556 GrB2 tubes undergo a cold-drawn process, which involves drawing the tubes through a die to achieve the desired dimensions and improve their surface finish. This process enhances the dimensional accuracy, surface quality, and mechanical properties of the tubes.
3. Carbon Steel Composition: ASTM A556 GrB2 tubes are made from carbon steel, which provides excellent strength and durability. The carbon steel composition also offers good thermal conductivity, making it suitable for heat transfer applications.
4. High-Pressure Resistance: ASTM A556 GrB2 tubes are capable of withstanding high-pressure conditions that are common in feedwater heater systems. They are engineered to handle the pressures associated with circulating hot water in power generation applications.
5. Corrosion Resistance: ASTM A556 GrB2 tubes provide good resistance to corrosion, ensuring their longevity and performance in various operating environments. However, in more corrosive conditions, additional measures such as coatings or corrosion-resistant alloys may be required.
FAQ
Q1: What is ASTM A556 GrB2?
A1: ASTM A556 GrB2 is a specific grade within the ASTM A556 standard. It refers to seamless cold-drawn carbon steel feedwater heater tubes designed for high-temperature and high-pressure applications.
Q2: What are the key applications of ASTM A556 GrB2 tubes?
A2: The primary application of ASTM A556 GrB2 tubes is in feedwater heaters, particularly in power plants. They are used for preheating water before it enters boilers to improve energy efficiency. They may also have potential applications in other heat exchanger systems where carbon steel material is suitable.
Q3: What are the advantages of using ASTM A556 GrB2 tubes?
A3: ASTM A556 GrB2 tubes offer several advantages, including high-temperature resistance, high-pressure resistance, seamless construction for improved strength and reliability, and good corrosion resistance. They are designed to meet the demanding requirements of feedwater heater applications.
