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YUHONG HOLDING GROUP CO., LTD

  • China,Ningbo
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China ASTM A213 T9 Alloy Steel Seamless Studded Fin Tube For HVAC Systems
China ASTM A213 T9 Alloy Steel Seamless Studded Fin Tube For HVAC Systems

  1. China ASTM A213 T9 Alloy Steel Seamless Studded Fin Tube For HVAC Systems
  2. China ASTM A213 T9 Alloy Steel Seamless Studded Fin Tube For HVAC Systems
  3. China ASTM A213 T9 Alloy Steel Seamless Studded Fin Tube For HVAC Systems
  4. China ASTM A213 T9 Alloy Steel Seamless Studded Fin Tube For HVAC Systems

ASTM A213 T9 Alloy Steel Seamless Studded Fin Tube For HVAC Systems

  1. MOQ: 200-500KGS
  2. Price: Negotiable
  3. Get Latest Price
Payment Terms L/C,T/T,AT SIGHT
Supply Ability According to Clients' requirements
Delivery Time 45-75 Days (Depend on Customer's Requirement
Packaging Details Ply-wooden Cases with Steel Frames(both ends of pipes have plastic caps)
Bare Tube Diameter 25-219mm
Fin Pitch 8-30mm
Fin Height 5-35mm
Fin Thick Φ5-20mm
Application Heat Exchangers, Refinery Air Cooler, Heater, Cooling tower
Base Tube Specification & Material: ASTM A213 T9
Brand Name YUHONG
Certification ABS, BV, ISO, ASTM, SGS
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms L/C,T/T,AT SIGHT Supply Ability According to Clients' requirements
Delivery Time 45-75 Days (Depend on Customer's Requirement Packaging Details Ply-wooden Cases with Steel Frames(both ends of pipes have plastic caps)
Bare Tube Diameter 25-219mm Fin Pitch 8-30mm
Fin Height 5-35mm Fin Thick Φ5-20mm
Application Heat Exchangers, Refinery Air Cooler, Heater, Cooling tower Base Tube Specification & Material: ASTM A213 T9
Brand Name YUHONG Certification ABS, BV, ISO, ASTM, SGS
Place of Origin China
High Light ASTM A213 Studded Fin TubeHVAC Studded Fin TubeSeamless Studded Fin Tube

1. What is ASTM A213 T9 Studded Fin Tube?

ASTM A213 T9 Studded Fin Tube is a high-temperature heat transfer component engineered for extreme thermal and corrosive service. It consists of a seamless chromium-molybdenum alloy steel base tube (ASTM A213 T9) with stud-type fins resistance-welded perpendicularly to the surface. This robust construction maximizes heat flux in high-ash/flue gas environments (up to 600°C/1,112°F), offering superior oxidation resistance and 3x longer life than carbon steel tubes in waste heat boilers, reformers, and fired heaters.

2. Chemical & Mechanical Properties

Chemical Composition (ASTM A213 T9 Base Tube)

Element

Content (%)

Critical Function

Chromium (Cr)

8.0–10.0

Oxidation resistance

Molybdenum (Mo)

0.90–1.10

High-temp strength

Carbon (C)

0.15 max

Weldability

Manganese (Mn)

0.30–0.60

Toughness

Silicon (Si)

0.25–1.00

Deoxidation

Phosphorus (P)

≤ 0.025

Purity

Sulfur (S)

≤ 0.025

Ductility


Mechanical Properties (System)


Property

Base Tube (T9)

Tensile Strength

≥ 415 MPa

Yield Strength

≥ 205 MPa

Max Service Temp.

600°C (1,112°F)

Hardness

≤ 179 HB

Thermal Conductivity

36.7 W/m·K

3. Key Applications & Competitive Advantages

· Refinery Heaters: Convection sections in CDU/VDU heaters (resists sulfidation).

· Chemical Reformers: Syngas coolers in methanol/ammonia plants.

· Waste Heat Recovery: Boilers in cement/steel mills (handles >80g/Nm³ fly ash).

· Power Generation: SCR system heat exchangers for coal-fired plants.

· Petrochemical: Cracking furnace convection tubes.

4. Why This Solution Dominates:
· 10-Year Lifespan: Withstands 650°C cyclic operation per NACE RP0492.
· Ash Erosion Resistance: Stud spacing blocks ash buildup – 40% lower fouling vs. helical fins.
· Cost Saving: 35% lower OPEX than refractory-lined carbon steel tubes.
· Customization: Stud height (15–40mm), diameter (3–8mm), and pitch optimization.

 

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

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Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Importer,Exporter,Trading Company,Seller,Other

  • Year Established:

    1990

  • Total Annual:

    50M-70M

  • Employee Number:

    50~800

  • Ecer Certification:

    Verified Supplier

Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories,  the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n... Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories,  the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n...

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  • YUHONG HOLDING GROUP CO., LTD
  • 20 Floor, No.1 New World Building, NO.1018 Min'an Road, Yinzhou District, Ningbo, China, ZIP:315040
  • https://www.steelfintube.com/

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