ASTM A556 B2 Feedwater Heater Tubes
GNEE manufactures and supplies A556 B2 Cold Drawn Steel Pipe. With years of experience, GNEE produces high-caliber pipes for multiple industries.
ASME SA556 B2 Seamless Pipes have excellent strength, toughness, corrosion resistance and excellent high temperature resistance. Therefore, these A556 B2 Steel Pipes can operate stably for a long time in harsh working environments, ensuring the safe and reliable operation of feedwater heaters.
A556 B2 Steel Feedwater Heater Tubes can be used to make water-cooled walls of power plant boilers, which can effectively eliminate the steam film on the inner wall of the steel pipe and improve the thermal efficiency of the furnace wall.
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ASTM A556 Specifications
| Specification | ASTM A556 B2 |
| Outside Diameter | 20mm-31.8mm |
| Wall Thickness | 1.1mm-35mm |
| Length | 3m-12m |
| Delivery Condition | NBK, Bright, U bending. |
ASTM A556 Chemistry Composition
|
Grade |
C |
Si |
Mn |
P |
S |
|
B2 |
≤0.27 |
≥0.10 |
0.29-0.93 |
≤0.035 |
≤0.035 |
ASTM A556 Physical Property
|
Grade |
Tensile Strength MPa |
Yield Strength MPa |
Elongation |
Hardness HRB |
|
B2 |
410 min |
260 min |
35 |
79 min |
GNEE ASTM A556 Gr B2 Steel Tubes


Why choose us
GNEE pipes and tubes have a wide range of applications in many market sectors, including the oil and gas, petrochemical and construction industries. And we can offer different properties for different purposes (e.g. corrosion protection).
Gnee Factory environment

FAQ
1. Can I get a sample before ordering?
Yes of course. Usually our samples are free. We can produce according to your samples or technical drawings. We can manufacture molds and fixtures.
2. How can you guarantee that what I get will be good?
We are a factory with 100% pre-delivery inspection to ensure quality.
3. How do you make our business establish a long-term and good relationship?
1. We maintain good quality and competitive prices to ensure our customers benefit;
2. We respect every customer as our friend and we sincerely do business and make friends with them.
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