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ASTM A335 P91 Seamless Alloy Steel Pipe High Pressure Boiler tube 1422 * 140mm size

Categories Seamless Alloy Steel Pipe
Brand Name: XOOS
Model Number: ASTM A335 P91
Certification: MTC
Place of Origin: China
MOQ: 10 tons or negotiable
Payment Terms: L/C, T/T
Supply Ability: 200000 tons per month
Delivery Time: 2~10 weeks
Packaging Details: bare and loose
Pressure: High Pressure
Structure: Seamless
Material: Alloy Steel P91
Length: Random or Fixed
Standard: ASTM A335
Application: High Pressure Boiler
Manufacture: Hot Rolled
Size: 1422*140mm
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ASTM A335 P91 Seamless Alloy Steel Pipe High Pressure Boiler tube 1422 * 140mm size

ASTM A335 P91 Seamless Alloy Steel Pipe High Pressure Boiler tube 1422 * 140mm size


1. Reference Documents

  • ASTM A999/A 999M Specification for General requirements for Alloy and Stainless Steel Pipe.
  • ASTM E 213 Practice for Ultrasonic Examination of metal Pipe and Tubing
  • ASTM E 309 Practice for Eddy-Current Examination of Steel Tubular Products Using Magnetic Saturation
  • ASTM E 381 Method of Macroetch testing Steel Bars, Billets, Blooms, and Forgings
  • ASTM E 570 Practice for Flux Leakage Examination of Ferromagnetic Steel Tubular Products
  • ASME B26.10M Welded and Seamless Wrought Steel Pipe

2. Standards:
ASTM A335 Standard Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service


3. Application:
For high pressure boiler and steam header pipes; petrochemical industry pipes; thermal power plant; nuclear power plant; USC boiler.


4. Ordering Information

Quantity (feet, meters, or number of lengths),

Name of material (seamless alloy steel pipe),

Grade (P91),

Manufacture (hot-finished or cold-drawn),

Size using one of the following:

NPS and schedule number;

Outside diameter and nominal wall thickness;

Outsider diameter and minimum wall thickness;

Inside diameter and nominal wall thickness;

Inside Diameter and minimum wall thickness.

Length (specific or random)

End finish (plain end or bevel end)


5. Chemical Requirements

Chemical Requirements
Grade

UNS

Designation

Composition, %
CMnP
max
S
max
SiCrMoOthers
P91K915600.08-0.120.30-0.600.0200.0100.20-0.508.00-9.500.85-1.05V 0.18-0.25
N 0.030-0.070
Ni 0.40max
Al 0.02max
Cb 0.06-0.10
Ti 0.01 max
Zr 0.01max

6. Available Size Range

ODThickness
mminchmmSCH
88.9~14223''~ 56''2.11~140≥SCH10
*If the steel grades and size you are looking for are not listed above, please contact us for further information.

7. Tensile Requirements

Tensile Strength min.: 85ksi / 585MPa

Yield Strength min.: 64ks / 415MPa


8. Inspection & Test

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


9. Manufacture

Hot Rolled or Cold Drawn


10. Manufacturing Process

Raw Material Inspection → Cold Centering → Heating → Piercing & Rolling → SIzing → Heat Treatment → Testing → Finishing → NDE → Visual & Dimension Inspection → Marking → Storing & Shipping


11. Supplementary Requirements

S1. Product Analysis
S2. Transverse Tension Tests
S3. Flattening Test
S4. Metal Structure and Etching Tests
S5. Photomicrographs
S6. Photomicrographs for Individual Pieces


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