Yuhong Group Co.,Ltd
| Payment Terms | L/C, T/T |
| Delivery Time | 7DAYS |
| Packaging Details | PLYWOOD CASE,BUNDLE |
| TYPE | SEAMLESS,WELDED |
| MATERIAL | TP321/321H |
| STANDARD | ASTM ASME A213,A312,A269 |
| SOLUTION | BRIGHT ANNEALED,PICKLED AND ANNEALED |
| NDT | ET,UT |
| END | PE,BE |
| Brand Name | YUHONG |
| Model Number | A213 A269 TP321 TP321H |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Delivery Time | 7DAYS |
| Packaging Details | PLYWOOD CASE,BUNDLE | TYPE | SEAMLESS,WELDED |
| MATERIAL | TP321/321H | STANDARD | ASTM ASME A213,A312,A269 |
| SOLUTION | BRIGHT ANNEALED,PICKLED AND ANNEALED | NDT | ET,UT |
| END | PE,BE | Brand Name | YUHONG |
| Model Number | A213 A269 TP321 TP321H | Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA | ||
| High Light | Stainless Steel Bright Annealed Tube ，Seamless Boiler Tube TP321H ，ASTM A269 Stainless Steel Tube | ||
Stainless Steel Seamless Bright Annealed Tube ASTM A269 TP321H For Boiller
The main advantage of TP321H lies in its excellent high-temperature strength, making it particularly suitable for equipment that requires long-term operation at elevated temperatures. The core difference between it and TP321 lies in the carbon content, a subtle adjustment that leads to key differences in performance and application.
Specifications
| Stainless Steel SS 321 / 321H | |
|---|---|
| AISI | 321 / 321H |
| UNS | S32100 / S32109 |
| Werkstoff Nr. | 1.4541 / 1.4878 |
Mechanical & Physical Properties
| Density | 8.0 g/cm3 |
| Melting Point | 1454 °C (2650 °F) |
| Tensile Strength | Psi – 75000 , MPa – 515 |
| Yield Strength (0.2%Offset) | Psi – 30000 , MPa – 205 |
| Elongation | 35 % |
TP321: The "Stabilizer" for Corrosion Resistance
TP321 contains added titanium (Ti). During manufacturing or welding, the titanium preferentially combines with carbon to form titanium carbides, preventing the precipitation of harmful chromium carbides at the grain boundaries. This avoids "sensitization" and ensures the material's excellent resistance to intergranular corrosion. Its carbon content is controlled to a lower level (≤0.08%), which helps maintain good overall performance in most conventional high-temperature environments.
TP321H: The "Reinforcer" for High Temperatures
TP321H builds upon TP321 by controllably increasing the carbon content to 0.04%-0.10%. At high temperatures, this excess carbon forms fine carbides that act like "pins" within the grains, effectively hindering the slow plastic deformation of the metal under high temperature and sustained stress.Therefore, the "H" suffix in TP321H explicitly indicates its suitability for more demanding high-temperature, load-bearing applications.
If your application involves high-temperature, load-bearing equipment that will operate long-term within the temperature range of 427°C to 900°C, then TP321H is the more suitable choice.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou... Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou...
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