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4 Inch Stainless Steel Return Bend Pipe Fitting ASTM A403 WP321 For Furnace
4 Inch Stainless Steel Return Bend Pipe Fitting ASTM A403 WP321 For Furnace
4 Inch Stainless Steel Return Bend Pipe Fitting ASTM A403 WP321 For Furnace
4 Inch Stainless Steel Return Bend Pipe Fitting ASTM A403 WP321 For Furnace
4 Inch Stainless Steel Return Bend Pipe Fitting ASTM A403 WP321 For Furnace
4 Inch Stainless Steel Return Bend Pipe Fitting ASTM A403 WP321 For Furnace
4 Inch Stainless Steel Return Bend Pipe Fitting ASTM A403 WP321 For Furnace
4 Inch Stainless Steel Return Bend Pipe Fitting ASTM A403 WP321 For Furnace
Specifications
Brand Name :
YUHONG
Model Number :
ASTM A403 WP321-S
Certification :
ABS, GL, DNV, NK, PED, AD2000, CCS, ISO 9001-2008
Place of Origin :
CHINA
MOQ :
100 KGS
Price :
YUHONG HOLDING GROUP CO., LTD
Payment Terms :
T/T,L/C
Supply Ability :
500 Ton Per Month
Delivery Time :
20-80 days
Packaging Details :
Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Specification :
ASTM A403
Material Grade :
WP321-S, 08X18H10T, 12X18H10T
Application :
Oil, Gas, Chemical, Petrochemical, Power, and other industries
Size :
4 inch
Material :
Stainless Steel
Shape :
180 Degree
Connection Type :
Butt Welded
Testing :
UT , PT , MT, PMI
Standard :
ANSI/ASME B16.9
Features :
Corrosion-resistant, High strength, Durable
Surface :
Polished
Description
ASTM A403 WP321 Stainless Steel 180° Return Bends
High Performance Solution for Furnace and Corrosive Environments
Product Specifications
Attribute Value
Specification ASTM A403
Material Grade WP321-S, 08X18H10T, 12X18H10T
Application Oil, Gas, Chemical, Petrochemical, Power, and other industries
Size 4 inch
Material Stainless Steel
Shape 180 Degree
Connection Type Butt Welded
Testing UT, PT, MT, PMI
Standard ANSI/ASME B16.9
Features Corrosion-resistant, High strength, Durable
Surface Polished
Available Configurations
Type Radius Size Range
Short Radius R=1.0 x Nominal Dia. 1/2" - 24"
Customized As per requirement Available
Chemical Composition
Element C Mn P S Si Cr Ni
% ≤0.08 ≤2.00 ≤0.045 ≤0.03 ≤1.00 17-19 9-12
Mechanical Properties
  • Tensile Strength: ≥515 MPa
  • Yield Strength: ≥205 MPa
  • Elongation: ≥35%
  • Hardness: ≤187 HB
Manufacturing Process
  • Raw material inspection
  • Cold/Hot forming
  • Solution heat treatment
  • Surface finishing
  • NDT testing
  • Dimensional inspection
  • Quality control
Key Features
  • Excellent corrosion resistance
  • Superior high-temperature stability
  • Outstanding mechanical properties
  • Precise dimensional accuracy
  • Smooth surface finish
  • Enhanced titanium stabilization
Applications
  • Chemical processing equipment
  • Food processing systems
  • Pharmaceutical industry
  • Marine applications
  • Nuclear power plants
  • High-temperature heat exchangers
Quality Assurance
  • ISO 9001:2015 certified
  • PED 2014/68/EU approved
  • ASME certified facility
  • Full material traceability
  • Third-party inspection available
Frequently Asked Questions
Q: What is the maximum operating temperature?
A: Up to 816°C (1500°F) for continuous service
Q: Are custom specifications available?
A: Yes, we can manufacture according to customer specifications
Q: What are the standard surface treatments?
A: Pickled and passivated, additional treatments available upon request
About Yuhong Holding Group
Your Trusted Partner in Industrial Heat Exchange Solutions

As a leading manufacturer with 20 years of export experience to 80 countries, Yuhong Holding Group specializes in premium heat exchange components. Our 20,000-square-meter facility houses 55 production lines and over 110 skilled professionals, ensuring world-class manufacturing standards.

Ranking among China's top 5 finned tube exporters, we combine advanced manufacturing technology with stringent quality control to deliver exceptional products. Our commitment to excellence and customer satisfaction has earned us trust worldwide.

Contact our technical team for detailed specifications and customized solutions to meet your specific requirements.

4 Inch Stainless Steel Return Bend Pipe Fitting ASTM A403 WP321 For Furnace
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4 Inch Stainless Steel Return Bend Pipe Fitting ASTM A403 WP321 For Furnace

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Product Detail
Brand Name :
YUHONG
Model Number :
ASTM A403 WP321-S
Certification :
ABS, GL, DNV, NK, PED, AD2000, CCS, ISO 9001-2008
Place of Origin :
CHINA
MOQ :
100 KGS
Price :
YUHONG HOLDING GROUP CO., LTD
Contact Supplier
4 Inch Stainless Steel Return Bend Pipe Fitting ASTM A403 WP321 For Furnace
4 Inch Stainless Steel Return Bend Pipe Fitting ASTM A403 WP321 For Furnace
4 Inch Stainless Steel Return Bend Pipe Fitting ASTM A403 WP321 For Furnace
4 Inch Stainless Steel Return Bend Pipe Fitting ASTM A403 WP321 For Furnace

YUHONG HOLDING GROUP CO., LTD

Verified Supplier
1 Years
ningbo
Since 1990
Business Type :
Manufacturer, Distributor/Wholesaler
Main Products :
Studded Tube, Solid Fin Tube, Serrated Finned tube
Total Annual :
5000000-10000000
Employee Number :
50~100
Certification Level :
Verified Supplier
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