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ASTM A213 T9 Alloy Steel Studded Fin Pipe 13Cr Stud Radiant Coil

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ASTM A213 T9 Alloy Steel Studded Fin Pipe 13Cr Stud Radiant Coil

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Brand Name : Yuhong

Model Number : ASTM A213 T9

Certification : DNV, BV, PED, LR, ABS, TS, CCS

Place of Origin : China

MOQ : 100KGS

Price : Negotiable

Payment Terms : L/C, T/T

Delivery Time : 7DAYS

Packaging Details : Ply-wooden Case /Iron Case/ Bundle with plastic Cap

Material : Alloy steel

Fin Type : Studded

Surface : black paint

Application : Refinery, power plant

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ASTM A213 T9 Alloy Steel Studded Fin Pipe with 13Cr Studs for Radiant Coil Applications


Studded fin pipes are widely used in radiant coils for high-temperature and high-pressure environments such as furnaces, heaters, and boilers. ASTM A213 T9 alloy steel with 13% chromium (13Cr) studs ensures excellent mechanical strength, thermal efficiency, and resistance to corrosion and oxidation, making it ideal for demanding applications.


1. Material Specification

Base Tube Material:

  • Standard: ASTM A213
  • Grade: T9 Alloy Steel
  • Type: Seamless ferritic alloy steel
  • Applications: Used in high-temperature services, including heat exchangers and boiler systems.

Stud Material:

  • Material: 13Cr (13% Chromium)
  • Purpose: Improves heat transfer and resists oxidation and corrosion at elevated temperatures.

2. Chemical Composition

ASTM A213 T9 Base Tube:

BASE TUBE ASTM A213 T9 FIN PIPE Chemical Composition
Element Carbon (C) Manganese (Mn) Phosphorus (P) Sulfur (S) Silicon (Si) Chromium (Cr) Molybdenum (Mo)

ASTM

A213 T9

0.08 – 0.18 0.30 – 0.60 ≤ 0.025 ≤ 0.025 0.50 – 1.00 8.00 – 10.00 0.90 – 1.10

13Cr Studs:

STUDS 13Cr Chemical Composition
Element Carbon (C) Manganese (Mn) Chromium (Cr) Silicon (Si) Phosphorus (P) Sulfur (S)
13Cr Studs ≤ 0.20 ≤ 1.00 12.00 – 14.00 ≤ 1.00 ≤ 0.030 ≤ 0.030

3. Mechanical Properties

BASE TUBE ASTM A213 T9 FIN PIPE Mechanical Properties
Property Tensile Strength Yield Strength Elongation Hardness
ASTM A213 T9 ≥ 415 MPa ≥ 205 MPa ≥ 20% ≤ 163 HB


STUDS 13Cr Mechanical Properties
Property Tensile Strength Yield Strength Elongation Hardness
13Cr Studs ≥ 485 MPa ≥ 275 MPa ≥ 15% ≤ 217 HB

4. Features of Studded Fin Pipe

  1. Enhanced Heat Transfer:

    • The 13Cr studs provide additional surface area, significantly improving heat transfer efficiency.
    • Suitable for radiant sections in furnaces where high thermal conductivity is crucial.
  2. High-Temperature Resistance:

    • ASTM A213 T9 alloy steel withstands elevated temperatures up to 650°C.
    • 13Cr studs resist oxidation and scaling, even in aggressive environments.
  3. Corrosion Resistance:

    • Chromium content in the base tube and studs enhances resistance to corrosion in harsh environments, including exposure to flue gases and combustion byproducts.
  4. Durability:

    • Strong mechanical bonding between the base tube and studs ensures long-term performance under thermal cycling and vibration.

5. Applications

  • Radiant Coils in Furnaces and Heaters:

    • Used in radiant sections to absorb heat from combustion gases and transfer it to process fluids.
  • Boiler Systems:

    • Ideal for water tube boilers in power plants and refineries.
  • Petrochemical and Refining Industries:

    • Commonly used in process heaters, reformers, and cracking furnaces.
  • High-Temperature Heat Exchangers:

    • Suitable for heat recovery applications in industrial processes.

6. Advantages

  • Energy Efficiency: Improves thermal efficiency by maximizing heat transfer in radiant sections.
  • Longevity: Combines high-temperature resistance and corrosion resistance for long-term durability.
  • Cost-Effective: Reduces downtime and maintenance costs by providing a reliable and robust heat exchange solution.
  • Versatility: Suitable for various high-temperature industrial processes.


ASTM A213 T9 Alloy Steel Studded Fin Pipe 13Cr Stud Radiant Coil


Product Tags:

ASTM A213 T9 Studded Fin Pipe

      

13Cr Studded Fin Pipe

      

Radiant Coil Studded Fin Pipe

      
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