ASTM A335 P9 Pipe

What is the difference between P91 and P9 pipes?

I can answer this question pointwise as I have been dealing with P91 and P9 pipes daily for many years.

Though P9 and P91 pipes are made from SA 335 grade alloy steel, there are many differences between the two. ASTM A 335 alloy steel pipes specification covers chrome-moly seamless pipes with excellent properties.

A few differences between P 91 and P 9 pipes include the following.

• The P91 pipes are best for power stations, whereas the P 9 pipe is best for petrochemical industries.
• P 91 pipes though made of chrome 1 moly alloy steel like P 9, it has additional elements like niobium, nitrogen, and vanadium to be useful for high-temperature industries.
• P91 pipes have a higher chromium content of 8 to 9.5% compared to less in counterpart SA335 Grade P9 Seamless Pipe , which has only 4 to 6% to have less corrosion resistance
• P91 has high molybdenum content of 0.85 to 1.05% than the 0.45 to 0.65 % of P9, has a less tensile strength

SA335 Grade P9 Seamless Pipe suppliers in India

What is P9 chrome pipe composition?

ASTM A 335 P 9 chrome pipes that pass hot billets onto a sheet is strong for many applications. The unique composition of these standard carbon steel pipes with chromium and molybdenum increases corrosion resistance and tensile strength.

The P9 alloy steel composition includes low carbon of less than 0.15%, manganese of 0.30 to 0.60, and phosphorous of 0.025 % maximum. Also, the low alloy steel has a sulfur of 0.25% maximum and silicon from 0.5 to 1%. SA 335 P9 ERW Pipes' most important elements include chromium from 4 to 6% and molybdenum from 0.45 to 0.65%.

 

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What are the 4 best methods for cutting P9 alloy steel pipe?

P 9 alloy steel pipes are best for flanging, bending, fusion bending, and other forming operations. Since these pipes are malleable for easy to weld and frame, care should be taken to cut these pipes. The following are the four best methods to do it effectively.

• Measure the diameter of the ASTM A335 Gr P9 welded pipe and others to ensure the right cutting tool.
• Use the right size tube cutter to make a straight cut
• Use a tape measure and pencil for marking on the surface to cut the pipe and Mark around the circumference of the pipe when using a handsaw
• For ensuring straight cuts, use a clamp, vise, duct tape, or a miter box to avoid the wrong size cutting of the pipes

ASTM A335 P9 Pipe specification, chemical composition, mechanical properties and equivalent

 

SA335 Grade P9 Alloy Steel Pipe Types

Are you searching A335 P9 Material? you will find here P9 alloy steel Composition

What is the tensile strength of A335 P9 Material?

Because of the unique composition of the A 335 P9 material, the pipes made from it have high tensile strength to withstand high temperatures. And it is why many use it for applications in harsh environments in many sectors. P9 pipe material has a maximum tensile strength of 415 Mpa and a yield strength of 205 Mpa. It is why it finds use in the oil and gas industry to carry fuels even for a long distance without any damage.

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How Do Hydrostatic Testing and NDT Test Work for ASTM A335 P9 Pipe?

Hydrostatic and NDT or non-destructive testing are essential for buying the right quality pipes to use in highly sensitive industries like oil & gas. ASTM A 335 P9 pipes undergo these testing in the following ways.

• It is essential to choose the right NDT testing among the many available like UT or ultrasonic testing, RT or radiographing testing, ET or electromagnetic testing & others.
• In the hydrostatic test, filling the pipe with the dyed fluids is essential to check for leaks or damages.

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How do you measure CBM for A335 P9 Pipe shipping?

CBM or cubic meter measures the volume to know how much space it will occupy in a specific place. The following is the formula to measure the CBM for A 335 P9 pipe shipping.

CBM or pipe volume = height x length x width in cubic meters For example, a pipe with 2 meters in height, width, and length has a CBM of CBM for 2 meters length, width, and height pipe is 2x2x2 = 8 m³