ASTM A335 P9 Seamless Pipes

Get a Price/Quote

ASTM A335 P9 Seamless Pipes Specification

Application
Petrochemical Industry, Oil and Gas Industry, Power Plants, Boiler Tubes, Heat Exchanger

Tolerance
OD: 1% or as per ASTM Standard

Product Type
ASTM A335 P9 Seamless Pipe

Connection
Plain End / Beveled End / Threaded

End Protector
Plastic Caps

Surface Finish
Polished / Annealed / Pickled / Natural / Bright

Material
Alloy Steel (P9 Gr.)

Section Shape
Round

Standard
ASTM A335 / ASME SA335

Technique
Hot Rolled / Cold Drawn / Seamless

Surface Treatment
Varnished, Passivated, Oiled

Alloy or Not
Alloy

Outer Diameter
10.3mm 323.8mm

Thickness
1.5mm 30mm

Size
Customized

Length
Single Random, Double Random & Required Lengths (up to 12 meters)

About ASTM A335 P9 Seamless Pipes

What Are Specification ASTM A335 P9 Seamless Pipes?

Grade	ASTM A335 P9, P2, P5, P9, P11, P12, P22, P23, P91, P92, ASTM A213 T2, T5, T5b, T5c, T9, T11, T12, T22, T23, T91, T92
Specifications	ASTM A335 / ASME SA335
Dimensions	ASTM, ASME
Size	1/8"NB TO 30"NB IN
Schedule	SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Type	Seamless
Form	Round Pipes, Square Pipes, Rectangular Pipes
Length	Single Random, Double Random & Cut Length.

Equivalent material Of ASTM A335 P9 Seamless Pipes?

ASTM	ASME	JIS G 3458	UNS	BS	DIN	ISO	ABS	NK	LRS
A335 P9	SA335 P9	STPA 26	S50400	3604 P1 629-470		2604 II TS38

Chemical Composition Of ASTM A335 P9 Seamless Pipes?

Grade	UNS	C	Mn	P	S	Si	Cr	Mo
P9	S50400	0.15	0.30~0.60	0.025	0.025	0.50~1.00	8.00~10.00	0.44~0.65

Mechanical Properties Of ASTM A335 P9 Seamless Pipes?

Tensile Strength, MPa	Yield Strength, MPa	Elongation, %
415 min	205 min	30 min

Certified Quality and Standards

Our ASTM A335 P9 Seamless Pipes strictly adhere to ASTM and ASME SA335 standards, guaranteeing reliable performance in critical applications. Each pipe is fully hydrotested and can be supplied with third-party inspection certifications, giving clients peace of mind regarding quality and compliance. Standard and customer-specific marking ensures complete traceability.

Customizable Dimensions and Finishing Options

Thanks to a flexible production setup, these alloy steel pipes can be ordered in a wide range of sizes (OD 10.3mm 323.8mm, thickness 1.5mm 30mm) and lengths (up to 12 meters, single/double random or custom lengths). Surface treatments such as varnishing, passivation, oiling, polishing, and more are available to suit the projects environment and specific corrosion resistance needs.

Versatile Applications Across Industries

Engineered for high-temperature service, ASTM A335 P9 pipes are extensively used in petrochemical plants, oil and gas facilities, power stations, boiler tubes, and heat exchanger setups. Their robust material properties and customizable features make them suitable for both new installations and maintenance operations in heavy industry.

FAQs of ASTM A335 P9 Seamless Pipes:

Q: How are ASTM A335 P9 Seamless Pipes manufactured and tested?

A: These pipes are produced using seamless hot rolled or cold drawn techniques from P9-grade alloy steel. They undergo normalization and tempering for durability, followed by a mandatory 100% hydrostatic test to ensure leak-proof performance.

Q: What customization options are available for size and surface finish?

A: You can order these pipes in outer diameters from 10.3mm to 323.8mm, thicknesses between 1.5mm and 30mm, and lengths up to 12 meters. Surface finishes include polished, annealed, pickled, natural, bright, and protective coatings like varnish, passivation, or oiling.

Q: When should ASTM A335 P9 Seamless Pipes be used in industrial projects?

A: These pipes are ideal for high-temperature and high-pressure environments, commonly found in petrochemical plants, oil and gas refineries, power generation, boiler systems, and heat exchangers due to the alloy steels superior resistance and strength.

Q: Where do you deliver and what are the packing options for these pipes?

A: We export and supply ASTM A335 P9 Seamless Pipes worldwide, including India and international markets. Packing options encompass bundling, wooden cases, and custom solutions to ensure safe transit based on customer specifications.

Q: What are the benefits of choosing P9 alloy steel pipes over alternatives?

A: P9 pipe offers an excellent combination of high-temperature strength, corrosion resistance, and a long service life, making it a cost-effective choice for critical applications in harsh operating environments.

Q: How is quality maintained and verified for these seamless pipes?

A: Every pipe is subject to stringent hydrostatic testing and can be inspected by third parties upon request. Marking standards as per ASTM A335 ensure traceability, and documentation conforms to both customer and industry requirements.

Q: Can the pipes be supplied with customized connections and end protections?

A: Yes, you can choose between plain end, beveled end, or threaded connections. For end protection, plastic caps are fitted to safeguard the pipe during handling and shipment.

Tell us about your requirement