Yuhong Group Co.,Ltd
| Payment Terms | L/C,T/T |
| Delivery Time | 7DAYS |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Product Name | Stainless Steel Heat Exchanger Tube |
| Specification | ASTM A213 TP321H |
| NDT | UT/ET |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Length | Single Random, Double Random & Cut Length |
| Application | Heat Exchanger/Air heater/Superheater |
| Brand Name | YUHONG |
| Model Number | ASTM A213 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 | Ply-wooden Case /Iron Case/ Bundle with plastic Cap | Product Name | Stainless Steel Heat Exchanger Tube |
| Specification | ASTM A213 TP321H | NDT | UT/ET |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS | Length | Single Random, Double Random & Cut Length |
| Application | Heat Exchanger/Air heater/Superheater | Brand Name | YUHONG |
| Model Number | ASTM A213 TP321H | Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA | ||
| High Light | ASTM A213 TP321H heat exchanger tube ，S32109 stainless steel tube ，bright annealed heat exchanger tube | ||
ASTM A213 TP321H Stainless Steel Heat Exchanger Tube Bright Annealed
ASTM A213 is a standard developed by the American Society for Testing and Materials (ASTM) specifically for "Seamless Ferritic and Austenitic Alloy Steel Tubing for Boilers, Superheaters, and Heat Exchangers." TP321H is a stainless steel with added titanium that meets the high-temperature mechanical properties specified in the ASTM A213 standard.
The manufacturing process for ASTM A213 TP321H seamless stainless steel bright tube begins with perforation and extrusion. The round billet is heated and perforated to form a rough tube. The rough tube is then cold-drawn or cold-rolled through a die to achieve precise dimensions, wall thickness, and a smooth surface. This process hardens the tube. To achieve a bright finish, the tube is annealed in a furnace evacuated to a high vacuum or in a protective atmosphere such as hydrogen or argon to relieve stress and prevent oxidation. Finally, the tube undergoes finishing and inspection, including straightening, cutting to length, nondestructive testing, and hydrostatic testing.
ASTM A213 TP321H Stainless Steel Heat Exchanger Tube Chemical Composition
| Grade | TP321H |
| Ni | 9 – 12 |
| Cr | 17 – 19 |
| C | 0.04 – 0.10 |
| N | Balance |
| Fe | Balance |
| Mn | 2 max |
| Si | 0.75 max |
| S | 0.03 max |
| P | 0.045 max |
| Ti | 4xC min 0.60% max |
Differences between ASTM A213 TP321H and Standard TP321 and TP304H
ASTM A213 TP321H Stainless Steel Heat Exchanger Tube Mechanical & Physical Properties
| Density | 8.0 g/cm3 |
| Tensile Strength | 75[515] |
| Yield Strength (0.2%Offset) | 30[205] |
| Elongation | 35 % |
ASTM A213 TP321H Stainless Steel Heat Exchanger Tube Industry application
Power Plant Boilers: superheaters and reheaters, high-pressure boiler tubes, heat exchange tubes.
Petrochemical Industry: pyrolysis furnace tubes, converter furnace tubes, heat exchangers and condensers under high temperature and pressure, chemical pipelines requiring resistance to intergranular corrosion.
Other Industrial Sectors: digestion equipment in the pulp and paper industry, food processing equipment.
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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