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  • China,Ningbo
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China ASTM A789 S32750 Super Duplex Stainless Steel Seamless Tube For Heat Exchanger
China ASTM A789 S32750 Super Duplex Stainless Steel Seamless Tube For Heat Exchanger

  1. China ASTM A789 S32750 Super Duplex Stainless Steel Seamless Tube For Heat Exchanger
  2. China ASTM A789 S32750 Super Duplex Stainless Steel Seamless Tube For Heat Exchanger
  3. China ASTM A789 S32750 Super Duplex Stainless Steel Seamless Tube For Heat Exchanger
  4. China ASTM A789 S32750 Super Duplex Stainless Steel Seamless Tube For Heat Exchanger

ASTM A789 S32750 Super Duplex Stainless Steel Seamless Tube For Heat Exchanger

  1. MOQ: 100KG
  2. Price: Negotiable
  3. Get Latest Price
Payment Terms T/T,L/C
Delivery Time 7days
Packaging Details ply-wooden case
Material Super Duplex Stainless Steel
Surface Treatment Pickling, Polishing, Bright Annealing
Size Customized
Corrosion Resistance Excellent
High Temperature Resistance Yes
Application Heat Exchanger
Wall Thickness Customized
NDT HT, ECT
Brand Name Yuhong
Model Number ASTM A789 S32750
Certification ABS, BV, CCS, DNV, LR
Place of Origin China

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Product Specification

Payment Terms T/T,L/C Delivery Time 7days
Packaging Details ply-wooden case Material Super Duplex Stainless Steel
Surface Treatment Pickling, Polishing, Bright Annealing Size Customized
Corrosion Resistance Excellent High Temperature Resistance Yes
Application Heat Exchanger Wall Thickness Customized
NDT HT, ECT Brand Name Yuhong
Model Number ASTM A789 S32750 Certification ABS, BV, CCS, DNV, LR
Place of Origin China

ASTM A789 S32750 Super Duplex Stainless Steel Seamless Tube For Heat Exchanger 


Description:

This seamless tube is made from ASTM A789 S32750 Super Duplex Stainless Steel, designed for high-strength, corrosion-resistant heat exchanger applications. It combines the properties of austenitic and ferritic stainless steels, offering excellent resistance to chloride stress corrosion cracking, pitting, and crevice corrosion, especially in marine and chemical process environments.


Chemical Composition (S32750):

Element Content (%)
Chromium (Cr) 24.0 – 26.0
Nickel (Ni) 6.0 – 8.0
Molybdenum (Mo) 3.0 – 5.0
Nitrogen (N) 0.24 – 0.32
Manganese (Mn) ≤ 1.2
Carbon (C) ≤ 0.030
Silicon (Si) ≤ 0.80
Phosphorus (P) ≤ 0.035
Sulfur (S) ≤ 0.020
Iron (Fe) Balance


Mechanical Properties:

Property Typical Value
Tensile Strength ≥ 795 MPa
Yield Strength (0.2%) ≥ 550 MPa
Elongation ≥ 15%
Hardness (HRB) ≤ 100


Advantages:

  • Superior Corrosion Resistance: Excellent in brine, seawater, and aggressive chemical media.

  • High Strength: Double the yield strength of austenitic stainless steels (e.g., 316L).

  • Stress Corrosion Resistance: Especially effective against chloride-induced cracking.

  • Long Service Life: Ideal for harsh and corrosive operating environments.

  • Low Thermal Expansion: Reduces stress during temperature fluctuations in heat exchangers.

Applications:

  • Heat Exchangers in:

    • Desalination plants

    • Offshore oil & gas platforms

    • Marine cooling systems

    • Chemical and petrochemical processing

  • Condenser and evaporator tubes

  • Seawater systems in refineries and power stations

  • High-pressure and high-temperature environment

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

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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  • Reach Us
  • 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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