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 HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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