Yuhong 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/ Bundle with plastic Cap |
| Standard | ASTM A312 / ASME SA312 |
| Material Grade | UNS S30815 |
| Product Type | Seamless Pipe |
| Material | Austenitic Heat-Resistant Stainless Steel |
| Application | High Temperature Furnace Tubes, Heat Exchangers |
| Size Range | OD 1/8“ to 12”, WT SCH 5S to XXS |
| Brand Name | YUHONG |
| Model Number | ASTM A312 UNS S30815 |
| 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/ Bundle with plastic Cap |
| Standard | ASTM A312 / ASME SA312 | Material Grade | UNS S30815 |
| Product Type | Seamless Pipe | Material | Austenitic Heat-Resistant Stainless Steel |
| Application | High Temperature Furnace Tubes, Heat Exchangers | Size Range | OD 1/8“ to 12”, WT SCH 5S to XXS |
| Brand Name | YUHONG | Model Number | ASTM A312 UNS S30815 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | CHINA |
| High Light | UNS S30815 Stainless Steel Seamless Pipe ，High Temperature Resistance Heat Resistant Pipe ，ASTM A312 Seamless Tube | ||
ASTM A312 UNS S30815 Stainless Steel Seamless Heat Resistant Pipe for Furnace & Heat Exchanger
YUHONG GROUP is a specialised manufacturer with over 35 years of industrial expertise and a global presence spanning 85 countries, dedicated to producing high-performance stainless steel tubing for the most demanding applications. Our ASTM A312 UNS S30815 seamless tubes are engineered for extreme high-temperature service in furnaces and heat exchangers, combining superior oxidation resistance with long-term structural integrity. Backed by international certifications and a commitment to precision manufacturing, we deliver reliable, high-quality solutions for the global power generation, petrochemical, and industrial heating sectors.
Chemical Composition of Grade S30815 (UNS S30815)
| Element | Requirement (%) | Notes |
| Grade Designation | S30815 | Austenitic heat-resistant steel (RA 253 MA) |
| UNS Designation | S30815 | |
| Carbon (C) | 0.05 - 0.10 | |
| Manganese (Mn), max | 0.8 | |
| Phosphorus (P), max | 0.04 | |
| Sulfur (S), max | 0.03 | |
| Silicon (Si) | 1.40 - 2.00 | For high-temperature oxidation resistance |
| Chromium (Cr) | 20.0 - 22.0 | |
| Nickel (Ni) | 10.0 - 12.0 | |
| Nitrogen (N) | 0.14 - 0.20 | For solid solution strengthening |
| Cerium (Ce) | 0.03 - 0.08 | Rare earth element for improved oxide scale adhesion |
Annealing Requirements for Grade S30815
| Parameter | Specification | Notes |
| Grade or UNS Designation | S30815, S31272 | This annealing requirement applies to both UNS S30815 and S31272. |
| Heat Treating Temperature | 1920 °F [1050 °C] |
Tensile Requirements for UNS S30815
| Property | Specification | Notes |
| Grade | (Referred to as TP30815) | The UNS number is the primary identifier in this table row. |
| UNS Designation | S30815 | Austenitic heat-resistant steel (e.g., RA 253 MA). |
| Tensile Strength, min | 87 ksi | 600 MPa |
| Yield Strength (0.2% Offset), min | 45 ksi | 310 MPa |
ASTM A312 UNS S30815 Stainless Steel Seamless Pipe – Key Application Advantages
1. Excellent High-Temperature Resistance
Specifically designed for continuous service in high-temperature environments up to 1150°C. It offers superior oxidation and scaling resistance, making it ideal for furnace radiant tubes, heat exchangers, and other thermal processing equipment.
2. Superior Corrosion Resistance
As an austenitic stainless steel grade, it provides good general corrosion resistance. The high chromium and rare earth (Cerium) content further enhances its resistance to oxidation and sulfidation under cyclic heating conditions.
3. High Strength & Reliable Structure
The seamless manufacturing process ensures a uniform, pore-free structure with no welded seams. This results in higher mechanical strength, better pressure-bearing capability, and improved leak-proof performance compared to welded pipes.
4 . Long Service Life & Cost Efficiency
The combination of excellent heat resistance, corrosion resistance, and robust construction significantly extends the component's service life in demanding applications, reducing downtime and maintenance costs, thereby offering a lower total cost of ownership.
5. Proven Global Standard Compliance
Manufactured in full compliance with ASTM A312/ASME SA312 standards, ensuring material quality, traceability, and performance reliability for international projects in power generation, petrochemical, and industrial heating sectors.
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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