Yuhong Group Co.,Ltd
| Payment Terms | L/C,T/T |
| Delivery Time | 7 DAYS |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| 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 |
| High Light | ASTM A213 TP321 Stainless Steel Seamless Tube, ASTM A213 Stainless Steel Seamless Tube, ASTM A213 Heat Exchange tube |
| Brand Name | YUHONG |
| Model Number | ASTM A213 TP321 Stainless Steel Seamless Tube |
| 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 | 7 DAYS |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap | 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 |
| High Light | ASTM A213 TP321 Stainless Steel Seamless Tube, ASTM A213 Stainless Steel Seamless Tube, ASTM A213 Heat Exchange tube | Brand Name | YUHONG |
| Model Number | ASTM A213 TP321 Stainless Steel Seamless Tube | Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA | ||
| High Light | ASTM A213 Stainless Steel Seamless Tube ，Heat Exchanger Stainless Steel Seamless Tube ，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
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 321 | S32100 | 321S31 | 58B, 58C | 1.4541 | X6CrNiTi18-10 | 2337 | SUS 321 |
| 321H | S32109 | 321S51 | - | 1.4878 | X10CrNiTi18-10 | - | SUS 321H |
Mechanical & Physical Properties of ASTM A213 TP321/TP321G Stainless Steel Seamless Tubing
| 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 % |
Chemical Composition of ASTM A213 TP321/TP321G Stainless Steel Seamless Tubing
| SS 321 | SS 321H | |
| Ni | 9 – 12 | 9 – 12 |
| Cr | 17 – 19 | 17 – 19 |
| C | 0.08 max | 0.04 – 0.10 |
| N | 0.10 max | |
| Fe | Balance | |
| Mn | 2 max | 2 max |
| Si | 0.75 max | 0.75 max |
| S | 0.03 max | 0.03 max |
| P | 0.045 max | 0.045 max |
| Ti | 5xC min 0.60% max | 4xC min 0.60% max |
Key Characteristics
Advantages Over Other Stainless Steel Grades
Application
Due to its superior high-temperature performance and corrosion resistance, TP321 seamless tubes are widely used in industries such as:
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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