ASME SA335 Gr. P11 Pipe

ASME SA335 Gr. P11 Pipe

Standard: ASME SA335
Material: P11
Tensile Strength min.: 60ksi / 415MPa
Yield Strength min.: 30ks / 205MPa

Product Details

 XOOS is providing high pressure P11 seamless pipes, mostly used in power plants. The products are supplied with 3.1 certificates, according to EN 10204. Certification according to 3.2 can be agreed at the time of order.


1. Referenced Documents

A999/A999M Specification for General Requirements for Alloy and Stainless Steel Pipe

E213 Practice for Ultrasonic Examination of Metal Pipe and Tubing

E309 Practice for Eddy-Current Examination of Steel Tubular Products Using Magnetic Saturation

E381 Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings

E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)

E570 Practice for Flux Leakage Examination of Ferromagnetic Steel Tubular Products

B36.10M Welded and Seamless Wrought Steel Pipe

SAE J 1086 Practice for Numbering Metals and Alloys (UNS)

SNT-TC-1A Recommended Practice for Nondestructive Personnel Qualification and Certification


2. Standards:
ASME SA335 Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service


3. Application:
For the low and medium pressure boiler and steam header pipes;
For the high-pressure boiler and steam pipes, and the petrochemical industry pipes;
Power plant; Chemical Fertilizer; Petrochemicals; Offshore Oils; Gas Productions; Refineries and etc.


4. Chemical Requirements

Chemical Requirements



Composition, %


5. Available Size Range

OD: 88.9~1422mm (3''ยท56'');

WT: 2.11~140mm (Sch 10 and above)


6. Tensile Requirements

Tensile Strength min.: 60ksi / 415MPa

Yield Strength min.: 30ks / 205MPa


7. Inspection & Test

Chemical composition, mechanical properties ( tensile strength, yield strength, elongation, flaring, flattening, bending, hardness, impact test), surface and dimension, NDE, hydrostatic test.



 P11 pipe.jpg


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