A335 P911 Alloy Tube
The A335 P911 pipes supplied by gnee have undergone multiple inspections to ensure quality.
A335 P911 steel pipe is a low alloy carbon steel containing Mo% within 0.9-1.1% and Cr% within 8.5-9.5%. The minimum tensile strength of the bearing is 620 Mpa and the minimum yield strength is 440 Mpa.
A335 P911 high temperature and high pressure alloy steel pipe has higher chromium and nickel content, which increases the corrosion resistance of A335 P911 high temperature steel pipe, provides better high temperature strength, and has excellent creep resistance and thermal fatigue resistance. Therefore A335P911 boiler tubes are often used in the manufacture of gas turbines and power plant heat exchangers in the power generation and petrochemical industries.
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A335 Grade P911 Carbon alloy tube Mechanical Properties
| Yield Strength | Tensile Strength | Elongation A5 min | |||
| MPa min | ksi min | MPa min | MPa min | ksi min | Percentage |
| 620 | – | 90 | 20 | ||
A335 Grade P911 Medium alloy pipe Equivalent Designation
| DIN | EN | BS | NFA | ASTM | ASME |
| – | EN X11CrMoWVNb9-1-1 | – | ASTM A335 Grade P911 | ASME SA 335 Grade P911 | – |
A335 P911 black alloy tube

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. How do we ensure quality?
There are always pre-production samples before mass production;
Always do final inspection before shipment.
2. What can you buy from us?
Seamless Steel Pipe Carbon Steel Seamless Steel Pipe, Alloy Seamless Pipe, Stainless Steel Pipe, Black Seamless Pipe Precision seamless tube.
3. Why should you buy from us instead of other suppliers?
The factory covers an area of nearly 60,000 square meters and has processing equipment such as large shears, circular shears, straighteners, annealing furnaces, and punching and shearing lines.
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