450°C Heat-Resistant St35.8 Seamless Pipes for Petrochemical Use
|
Still deciding? Get samples of $ !
Request Sample
|
| Customization: | Available |
|---|---|
| After-sales Service: | Oversea After-Sales Service |
| Warranty: | Confirm with The Sellers |
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
Find Similar Products
Basic Info.
- Model NO.
- DIN 17175/2448 St. 35.8
- Type
- Seamless
- Technique
- Cold Rolled
- Material
- Carbon Steel
- Surface Treatment
- Polished
- Usage
- Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
- Section Shape
- Round
- Standard Specifications
- ASTM A106 ASTM A53 DIN 1629 / 2448
- Steel Grades
- Q235/275/355 Gr.a/B/C, X42/X46/X52
- Main Process
- Cold-Formed Seamless
- Unit Leagth
- 5800mm-12000mm
- Wt
- 10.3-120mm
- Od
- 1mm-40mm
- Ends
- Plain Ends
- Products
- China Supplier Galvanized Carbon Steel Seamless Pi
- Delivery
- 7-35 Days
- Surface
- Pickled, Bright Annealed, Polished
- Package
- Packed by Bundles, Plastic Bags, Wooden Case,etc
- Usage 1
- Pipeline Transport, Boiler Pipe, Hydraulic/Automob
- Usage2
- Dewatering System, Fluid Transport, Heat Exchanger
- Usage3
- Electronics, Industrial, Food, Boiler,Marine
- Usage4
- Oil/Gas Transport, Power Statio, Port Construction
- Transport Package
- Seaworthy Package
- Specification
- 0.8mm-25mm
- Trademark
- EZ Steel
- Origin
- China
- HS Code
- 73043110
- Production Capacity
- 500000/Year
Product Description
The BlackForge™ DIN 2448 ST35.8 Seamless Pipes are engineered for high-temperature industrial applications, offering exceptional heat resistance (up to 450°C) and superior dimensional accuracy. Manufactured under DIN 2448 / EN 10216-1 standards, these pipes are ideal for power plants, petrochemical refineries, and high-pressure steam systems where reliability under thermal stress is critical.
Key Features
High-Temperature Performance - Stable mechanical properties up to 450°C (842°F).
Precision ID/OD Finish - Smooth internal & external surfaces for optimal fluid flow & welding.
Seamless Construction - Eliminates weak points, ensuring high burst resistance & durability.
Corrosion & Oxidation Resistant - Enhanced carbon steel composition for long service life.
Certified Quality - Complies with DIN, EN, and PED (Pressure Equipment Directive).
Technical Specifications
Material & Chemical Composition (DIN 2448 ST35.8)
| Element | Composition (%) | Function |
|---|---|---|
| Carbon (C) | 0.17 max | Controls hardness & weldability |
| Manganese (Mn) | 0.40 - 1.20 | Enhances strength & toughness |
| Phosphorus (P) | 0.040 max | Reduces brittleness |
| Sulfur (S) | 0.040 max | Minimizes hot cracking |
| Silicon (Si) | 0.10 - 0.35 | Improves heat resistance |
Mechanical Properties (Room Temperature)
| Property | Value | Test Standard |
|---|---|---|
| Tensile Strength | 360 - 480 MPa | DIN EN ISO 6892-1 |
| Yield Strength | 235 MPa min | DIN EN ISO 6892-1 |
| Elongation | 25% min | DIN EN ISO 6892-1 |
| Hardness | ≤ 140 HB | DIN EN ISO 6506-1 |
Available Sizes & Dimensions
| Nominal Diameter (mm) | Wall Thickness (mm) | Schedule Equivalent | Pressure Rating (Bar) |
|---|---|---|---|
| 15 - 50 mm | 2.0 - 5.0 mm | SCH 40 / SCH 80 | 150 - 300 Bar |
| 50 - 150 mm | 3.0 - 10.0 mm | SCH 40 / SCH 160 | 100 - 250 Bar |
| 150 - 500 mm | 5.0 - 20.0 mm | SCH 20 / SCH XXH | 50 - 150 Bar |
Applications
Power Plant Boilers & Superheaters
Petrochemical Refineries (High-Temp Pipelines)
Steam & Condensate Systems
Heat Exchangers & Pressure Vessels
Industrial Furnace & Exhaust Systems








FAQ
Q: How many days can you deliver after confirmed the order?
A: For stock: within 5-7 days;
For customized product: around 30 days;
For special sizes: subject to negotiation.
Q: How does your company do quality control?
A: ISO 9001:2015 certified;
Product certificate as per EN10204 3.1 or 3.2 as per customer's request.
Q: Can I have a factory-visit?
A: Surely. All customers are welcome to visit us in China.
Q: Can I have a trial order?
A: Of course, it is an honor for us to have the opportunity to show our quality and service.
| Business Type: | Manufacturer/Factory | |
| Main Products: | Carbon Steel Pipe , Stainless Steel Pipe , Copper Nickel Tube , Heat Exchanger Tube , Boiler ... | |
| Registered Capital: | 2000000 RMB | |
| Plant Area: | >2000 square meters | |
| Management System Certification: | ISO 9001, ISO 14001, OHSAS/ OHSMS 18001, ANSI/ESD | |
| Average Lead Time: | Peak Season Lead Time: 1-3 months Off Season Lead Time: within 15 workdays |
| SGS Serial NO. : |
QIP-ASI199413Report Verification
|
The company has continuously introduced the world advanced manufacturing equipment and now is able to produce welded and seamless steel tube, copper tube and nickle alloy tube. We also have our own coating facilities and workshops for further processing. After years of development, EZ STEEL GROUP and the affiliated enterprises have obtained many kinds of domestic and international certifications including ISO 9001 Quality Management System Certification, ISO14000 Environment Management System Certification, CE, License for Manufacture of Pressure Piping in China, etc. The company has obtained good domestic achievements and is the nominated supplier of CNPC and CNOOC. The product are exported to Southeast Asia, the Middle East and Africa, Europe, Australia, North and Latin Americas via trade companies, and are widely used in pipeline works, foundation works, steel structure works, boiler and condenser fabrication, oil refinery plant, power plant, sugar-making plant, ship-building and offshore construction projects etc.
Holding the concept of First-class Brand, First-class Service, First-class Value, EZ STEEL GROUP is aiming to build up a win-win enterprise platform for both our customers and employees.
CONTACT US
Contact: Rosy Xu
EZ STEEL INDUSTRIAL CO., LTD
Add: No.199, Xiangfu Road, Yuhua Industrial Zone, Changsha City , P.R China
Pls. do not hesitate to contact me if you have any questions!
You are warm welcomed to visit our factory!!!
Thank you for visiting our products & Looking forward to hearing from you!
Send your message to this supplier
People who viewed this also viewed
Product Groups
Find Similar Products By Category
- Supplier Homepage
- Products
- Carbon & Carbon Alloy Steel Pipe
- Pipeline Works
- 450°C Heat-Resistant St35.8 Seamless Pipes for Petrochemical Use