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ASTM A335 P9 Alloy Steel Seamless Tube High Temperature Service

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ASTM A335 P9 Alloy Steel Seamless Tube High Temperature Service

Brand Name : YUHONG

Model Number : ASTM A335 P9

Certification : ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008

Place of Origin : CHINA

MOQ : 10PC

Price : Negotiable

Payment Terms : L/C, L/C, T/T

Supply Ability : 1000tons/month

Delivery Time : 15-35 DAYS

Packaging Details : Ply-wooden Case /Iron Case/ Bundle With Plastic Cap

Standard : ASTM A335

Material : P9

Product Name : High Temperature Service Tube

Ends : Plain Ends/ Bevelled Ends

Type : Seamless

Shape : Round

Size : Customized

Length : Customized

High Light : ASTM A335 Alloy Steel Tube,ASTM A335 P9 Tube, Heat Exchanger Tube

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ASTM A335 P9 Alloy Steel Seamless Tube For High Temperature Service

Overview

ASTM A335 P9 is a specific grade of seamless ferritic alloy-steel pipe that is commonly used for high-temperature service. It is designed to withstand elevated temperatures and provide excellent creep and stress rupture strength. The "P" in the designation indicates that it is a pressure vessel grade, and the number "9" represents its chromium content.ASTM A335 P9 offers good resistance to oxidation, corrosion, and high-temperature creep. It is commonly used in power generation, petrochemical, and refinery applications where high-temperature and high-pressure conditions are present.

Chemical Composition of ASTM A335 P9

Grade Mo Cr Si Mn C P S
P9 Min 0.9 8.0 0.25 0.3
Max 1.1 10.0 1.00 0.6 0.15 0.025 0.025

Mechanical Properies of ASTM A335 P9

Grade Tensile Str Ksi(Mpa) Yield Str Ksi(Mpa) Elongation(%)
P9 ≥60(415) ≥30(205) ≥30

Outside Diameter Tolerance of ASTM A335

NPS(DN) Designator Over Under
in. mm in. mm
1/8 to 1 1/2(6 to 40),incl. 1/64(0.015) 0.40 1/64(0.015) 0.40
Over 1 1/2 to 4(40 to 100),incl 1//32(0.031) 0.79 1/32(0.031) 0.79
Over 4 to 8(100 to 200),incl. 1/16(0.062) 1.59 1/32(0.031) 0.79
Over 8 to 12(200 to 300),incl. 3/32(0.093) 2.38 1/32(0.031) 0.79

The Application of ASTM A335 P9

  • 1.Power generation: It is used in power plants for high-temperature steam pipelines, boiler tubes, and superheater tubes.
  • 2.Petrochemical industry: ASTM A335 P9 finds applications in the petrochemical industry for high-temperature pipelines, heat exchangers, and process piping systems.
  • 3.Refinery applications: It is used in refineries for hydrocarbon processing units, such as cracking units, cokers, and reformers.
  • 4.Chemical industry: ASTM A335 P9 is suitable for various chemical processing applications where high-temperature and corrosion resistance are essential.
  • 5.Heat recovery steam generators (HRSGs): It is employed in HRSGs, which are used to recover waste heat from gas turbines for power generation.
  • 6.High-pressure boiler systems: ASTM A335 P9 is commonly used in high-pressure boiler systems for its strength and resistance to high temperatures.

ASTM A335 P9 Alloy Steel Seamless Tube High Temperature ServiceASTM A335 P9 Alloy Steel Seamless Tube High Temperature Service


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