A556 B2 Cold Drawn Steel Pipe
GNEE is the main supplier of A556 B2 Seamless Pipes, we provide high quality steel pipes to customers all over the world according to their needs.
A556 B2 feed water heater pipe has a minimum tensile strength of MPa 410, a yield strength of MPa 260, and an elongation of 30%. It should be heat treated at 640°C or higher to ensure ductility.
A556 B2 low carbon steel pipe has the advantages of high strength, excellent welding performance, high corrosion resistance, and good processing performance. Used to make water-cooled walls for power plant boilers, it can effectively eliminate the steam film on the inner wall of the steel pipe and improve the thermal efficiency of the furnace wall. In addition, A556 B2 seamless carbon steel pipe can effectively reduce pipeline leakage and failure rates during use.
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A556 B2 carbon steel pipe specifications
Specification: ASTM A556 B2
Outside Diameter: 20mm-31.8mm
Wall Thickness::1.1mm-35mm
Length: 3m-12m
Method: Cold Drawn
Delivery: 15-30 days after payment
Surface: Tubes will be varnished to prevent rust.
Marking: Standard + Steel Grade + Size + Heat No + Lot No
Package: Bundles (hexagonal),Wooden Boxes,Crates (steel/wooden) or as required
A556 B2 Seamless Feedwater Heater Tubes Chemical Composition
| Grade | C | Si | Mn | P | S |
| SA-556M B2 | ≤0.27 | ≤0.10 | 0.29–0.93 | ≤0.035 | ≤0.035 |
A556 B2 Mechanical Properties of Feedwater Heater Tubes
| Mechanical properties | Grade B2 |
| Tensile strength, min, ksi [MPa] | 60 [410] |
| Yield strength, min, ksi [MPa] | 37 [260] |
| Elongation in 2 in. or 50 mm, min, % (longitudinal) | 30 |
| Hardness | HR B 79 |
A556 B2 seamless cold drawn carbon steel pipe pipe leg length tolerance
| Leg Length, ft [m] | Plus Tolerance in. [mm] |
| Up to 20 [6], incl | 1 ⁄ 8 [3.2] |
| Over 20 to 30 [6 to 9], incl | 5 ⁄ 32 [4.0] |
| Over 30 to 40 [9 to 12.2], incl | 3 ⁄ 1 6 [4.8] |
A556 B2 cold drawn carbon steel pipe Squareness of Ends Tolerance
| Tube OD, in. [mm] | Tolerance, in. [mm] |
| 5 ⁄ 8[15.9] | 0.010 [0.25] |
| Over 5 ⁄ 8 to 1 1 ⁄ 4 [15.9 to 31.7], incl | 0.016 [0.4] |
A556 B2 steel pipe
Why choose us
gnee has 14 steel production lines, 10 processing equipment for processing, bending, painting, heat treatment, cutting, drilling, beveling, tempering, surface treatment, complete testing equipment and strong technical force. The annual production capacity is more than 60,000 tons.
Gnee Company Team
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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