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ASTM A213 / ASME SA213 TP321 Stainless Steel Seamless Heat Exchanger Tube

ASTM A213 / ASME SA213 TP321 Stainless Steel Seamless Heat Exchanger Tube

  • ASTM A213 / ASME SA213 TP321 Stainless Steel Seamless Heat Exchanger Tube
  • ASTM A213 / ASME SA213 TP321 Stainless Steel Seamless Heat Exchanger Tube
ASTM A213 / ASME SA213 TP321 Stainless Steel Seamless Heat Exchanger Tube
Product Details:
Place of Origin: CHINA
Brand Name: YUHONG
Certification: ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number: ASTM A213 TP321 Stainless Steel Seamless Tube
Payment & Shipping Terms:
Minimum Order Quantity: 500KGS
Packaging Details: Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Delivery Time: 7 DAYS
Payment Terms: L/C,T/T
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Detailed Product Description
Product Name: Stainless Steel Seamless Tube Specification: ASTM A213 / ASME A213
OD: 1/4", 3/8", 1/2", 5/8" ... 4 1/2" WT: BWG 25, 22, 20 18 ... 10
Length: Single Random, Double Random & Cut Length End: Plain End, Beveled End
Type: Seamless
Highlight:

ASTM A213 Stainless Steel Seamless Tube

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Heat Exchanger Stainless Steel Seamless Tube

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ASME SA213 Stainless Steel Seamless Tube

ASTM A213 TP321 S32100 STAINLESS STEEL SEAMLESS HEAT EXCHANGER TUBING
 
 
Stainless Steel 321 contains titanium (Ti) ≥5× carbon content to prevent chromium carbide precipitation during welding or high-temperature exposure (450–850°C). This stabilization ensures resistance to intergranular corrosion even after prolonged thermal cycling, a critical feature for heat exchangers in refineries and power plants1013. Unlike non-stabilized grades like TP304, TP321 retains corrosion resistance in sensitization-prone environments, making it ideal for post-weld applications without requiring heat treatment
 

 
Equivalent Grade of ASTM A213 TP321/TP321G Stainless Steel Seamless Tubing

GradeUNS NoOld BritishEuronormSwedish SSJapanese JIS
BSEnNoName
321S32100321S3158B, 58C1.4541X6CrNiTi18-102337SUS 321
321HS32109321S51-1.4878X10CrNiTi18-10-SUS 321H
 

 
Mechanical & Physical Properties of ASTM A213 TP321/TP321G Stainless Steel Seamless Tubing

Density8.0 g/cm3
Melting Point1454 °C (2650 °F)
Tensile StrengthPsi – 75000 , MPa – 515
Yield Strength (0.2%Offset)Psi – 30000 , MPa – 205
Elongation35 %

 
 
Chemical Composition of ASTM A213 TP321/TP321G Stainless Steel Seamless Tubing

 SS 321SS 321H
Ni9 – 129 – 12
Cr17 – 1917 – 19
C0.08 max0.04 – 0.10
N0.10 max 
FeBalance
Mn2 max2 max
Si0.75 max0.75 max
S0.03 max0.03 max
P0.045 max0.045 max
Ti5xC min
0.60% max		4xC min
0.60% max

 
 

Key Characteristics

  • Corrosion Resistance: Excellent resistance to oxidation and corrosion, especially in environments with exposure to organic and inorganic acids.
  • High-Temperature Strength: Ideal for use in environments up to 900°C due to its superior creep and stress rupture properties.
  • Titanium Stabilization: Prevents carbide precipitation and intergranular corrosion, making it superior to TP304 in high-temperature applications.
  • Weldability: Good weldability without the need for post-weld heat treatment in most cases.

 
 

Advantages Over Other Stainless Steel Grades

  • Better High-Temperature Performance than TP304 and TP316 due to its titanium stabilization.
  • Resistant to Sensitization during welding, reducing the risk of intergranular corrosion.
  • Comparable Corrosion Resistance to TP304 but with enhanced durability in extreme environments

 
 

Application

Due to its superior high-temperature performance and corrosion resistance, TP321 seamless tubes are widely used in industries such as:

  • Aerospace – High-temperature exhaust systems, jet engine components.
  • Chemical Processing – Acidic and caustic environments requiring long-term corrosion resistance.
  • Petroleum & Refining – Heat exchangers, process piping, and pressure vessels.
  • Power Plants – Superheater tubes, reheater tubes, and boiler components.
  • Food Processing – Used in equipment where resistance to organic acids is needed.

 

ASTM A213 / ASME SA213 TP321 Stainless Steel Seamless Heat Exchanger Tube 0

Tag:

seamless stainless steel tube,

seamless boiler tubes,

stainless steel seamless pipes

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