YUHONG HOLDING GROUP CO., LTD
| Payment Terms | L/C, T/T |
| Supply Ability | 800 Tons/ Month |
| Delivery Time | 15-20 Days |
| Packaging Details | Ply-wooden Case /Iron Case |
| Standard | ASTM A249 / ASME SA249 |
| Material Grade | TP304 (UNS S30400) |
| Product Type | Welded Tube |
| Material | Austenitic Stainless Steel |
| Primary Application | Boilers, Superheaters, Heat Exchangers, Condensers |
| Size Range | Customized |
| Brand Name | YUHONG |
| Model Number | ASTM A249 TP304 |
| 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 | Supply Ability | 800 Tons/ Month |
| Delivery Time | 15-20 Days | Packaging Details | Ply-wooden Case /Iron Case |
| Standard | ASTM A249 / ASME SA249 | Material Grade | TP304 (UNS S30400) |
| Product Type | Welded Tube | Material | Austenitic Stainless Steel |
| Primary Application | Boilers, Superheaters, Heat Exchangers, Condensers | Size Range | Customized |
| Brand Name | YUHONG | Model Number | ASTM A249 TP304 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | CHINA |
| High Light | ASTM A249 TP304 stainless steel tube ，welded stainless steel heat exchanger tube ，seamless welded boiler tube | ||
ASTM A249 TP304 Welded Austenitic Stainless Steel Tube - Seamless Welded Construction for Boiler, Superheater, Heat Exchanger & Condenser Applications
YUHONG Group, with over 35 years of industrial expertise and a global network serving 85 countries, is a specialized manufacturer of high-performance stainless steel tubing. Our ASTM A249 TP304 Welded Tubes are produced under strict quality control, meeting international standards for critical applications in boilers, heat exchangers, and condensers. We ensure full traceability and reliability for global projects, delivering tubes that combine excellent corrosion resistance with proven durability in demanding environments.
Chemical Composition Requirements (TP304 - UNS S30400)
|
Element |
Composition (%) |
| Carbon (C), max | 0.08 |
| Manganese (Mn), max | 2 |
| Phosphorus (P), max | 0.045 |
| Sulfur (S), max | 0.03 |
| Silicon (Si), max | 1 |
| Chromium (Cr) | 18.0-20.0 |
| Nickel (Ni) | 8.0-11.0 |
Mechanical Properties (TP304)
| Property | Requirement |
| Tensile Strength, min | 75 ksi (515 MPa) |
| Yield Strength, min | 30 ksi (205 MPa) |
| Elongation in 2 in., min | 35% |
| Hardness, max | 90 HRB |
Comparison Table: Welded Tubes (WLD) vs. Heavily Cold-Worked Tubes (HCW)
| Characteristic | Welded Tubes (WLD) | Heavily Cold-Worked Tubes (HCW) |
| Manufacturing Process | Automatically welded from flat-rolled steel with no filler metal. | Made from a welded tube that subsequently undergoes heavy cold working. |
| Cold Working Requirement | Cold worked after welding (method may be specified by purchaser). Minimum reduction can be specified. | Not less than 35% reduction in cross-sectional area (both wall and weld) prior to final anneal. |
| Weld Inspection | Not explicitly required by the base standard prior to cold working. | 100% radiographic inspection of the weld is required before cold working, per ASME BPVC, Section VIII, Div. 1, UW-51. |
| Primary Standard | ASTM A249 (Welded Tubes) | ASTM A249 (Heavily Cold-Worked Tubes) |
Key Product Advantages
Company Details
Business Type:
Manufacturer,Importer,Exporter,Trading Company,Seller,Other
Year Established:
1990
Total Annual:
50M-70M
Employee Number:
50~800
Ecer Certification：
Verified Supplier
Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n... Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n...
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